* Re: [PATCH 2/2] fs: use inode_set_user to set uid/gid of inode
From: David Miller @ 2013-08-23 5:21 UTC (permalink / raw)
To: rui.xiang
Cc: linux-s390, linux-ia64, linux-rdma, netdev, linux-usb,
linux-kernel, linux-mm, viro, cgroups, linux-fsdevel,
v9fs-developer, linuxppc-dev
In-Reply-To: <1377226118-43756-3-git-send-email-rui.xiang@huawei.com>
From: Rui Xiang <rui.xiang@huawei.com>
Date: Fri, 23 Aug 2013 10:48:38 +0800
> Use the new interface to set i_uid/i_gid in inode struct.
>
> Signed-off-by: Rui Xiang <rui.xiang@huawei.com>
For the networking bits:
Acked-by: David S. Miller <davem@davemloft.net>
^ permalink raw reply
* Re: [PATCH 2/3 V3] mmc:sdhc: get voltage from sdhc host
From: Zhang Haijun @ 2013-08-23 5:08 UTC (permalink / raw)
To: Chris
Cc: Anton Vorontsov, linux-mmc, Haijun Zhang, scottwood, cjb,
linuxppc-dev, X.Xie
In-Reply-To: <20130823014841.GD24803@teo>
Hi, Chris
Could help give some advice on this patch set ?
Thanks in advance.
On 08/23/2013 09:48 AM, Anton Vorontsov wrote:
> On Mon, Aug 12, 2013 at 09:39:06AM +0800, Haijun Zhang wrote:
>> We use host->ocr_mask to hold the voltage get from device-tree
>> node, In case host->ocr_mask was available, we use host->ocr_mask
>> as the final available voltage can be used by MMC/SD/SDIO card.
>>
>> Signed-off-by: Haijun Zhang <haijun.zhang@freescale.com>
>> ---
> Reviewed-by: Anton Vorontsov <anton@enomsg.org>
>
--
Thanks & Regards
Haijun
^ permalink raw reply
* Re: [PATCH] powerpc/kvm: Handle the boundary condition correctly
From: Benjamin Herrenschmidt @ 2013-08-23 4:28 UTC (permalink / raw)
To: Aneesh Kumar K.V; +Cc: linuxppc-dev, paulus, Alexander Graf, kvm-ppc
In-Reply-To: <87haeh13s2.fsf@linux.vnet.ibm.com>
On Fri, 2013-08-23 at 09:01 +0530, Aneesh Kumar K.V wrote:
> Alexander Graf <agraf@suse.de> writes:
>
> > On 22.08.2013, at 12:37, Aneesh Kumar K.V wrote:
> >
> >> From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
> >
> > Isn't this you?
>
> Yes. The patches are generated using git format-patch and sent by
> git send-email. That's how it always created patches for me. I am not sure if
> there is a config I can change to avoid having From:
Don't bother, that's perfectly fine, and git am will do the right thing.
Cheers,
Ben.
> >
> >>
> >> We should be able to copy upto count bytes
> >
> > Why?
> >
>
> Without this we end up doing
>
> + struct kvm_get_htab_buf {
> + struct kvm_get_htab_header header;
> + /*
> + * Older kernel required one extra byte.
> + */
> + unsigned long hpte[3];
> + } hpte_buf;
>
>
> even though we are only looking for one hpte entry.
>
> http://mid.gmane.org/1376995766-16526-4-git-send-email-aneesh.kumar@linux.vnet.ibm.com
>
> >
> > Alex
> >
> >>
> >> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> >> ---
> >> arch/powerpc/kvm/book3s_64_mmu_hv.c | 4 ++--
> >> 1 file changed, 2 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
> >> index 710d313..0ae6bb6 100644
> >> --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
> >> +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
> >> @@ -1362,7 +1362,7 @@ static ssize_t kvm_htab_read(struct file *file, char __user *buf,
> >> lbuf = (unsigned long __user *)buf;
> >>
> >> nb = 0;
> >> - while (nb + sizeof(hdr) + HPTE_SIZE < count) {
> >> + while (nb + sizeof(hdr) + HPTE_SIZE <= count) {
> >> /* Initialize header */
> >> hptr = (struct kvm_get_htab_header __user *)buf;
> >> hdr.n_valid = 0;
> >> @@ -1385,7 +1385,7 @@ static ssize_t kvm_htab_read(struct file *file, char __user *buf,
> >> /* Grab a series of valid entries */
> >> while (i < kvm->arch.hpt_npte &&
> >> hdr.n_valid < 0xffff &&
> >> - nb + HPTE_SIZE < count &&
> >> + nb + HPTE_SIZE <= count &&
> >> record_hpte(flags, hptp, hpte, revp, 1, first_pass)) {
> >> /* valid entry, write it out */
> >> ++hdr.n_valid;
> >> --
> >> 1.8.1.2
> >>
^ permalink raw reply
* Re: [PATCH 0/2] fs: supply inode uid/gid setting interface
From: Greg KH @ 2013-08-23 4:10 UTC (permalink / raw)
To: Rui Xiang
Cc: linux-s390, linux-ia64, linux-rdma, netdev, linux-usb,
linux-kernel, linux-mm, viro, cgroups, linux-fsdevel,
v9fs-developer, linuxppc-dev
In-Reply-To: <1377226118-43756-1-git-send-email-rui.xiang@huawei.com>
On Fri, Aug 23, 2013 at 10:48:36AM +0800, Rui Xiang wrote:
> This patchset implements an accessor functions to set uid/gid
> in inode struct. Just finish code clean up.
Why?
^ permalink raw reply
* Re: [PATCH] iommu: WARN_ON when removing a device with no iommu_group associated
From: Alex Williamson @ 2013-08-23 3:33 UTC (permalink / raw)
To: Wei Yang; +Cc: benh, aik, linux-kernel, iommu, paulus, linuxppc-dev
In-Reply-To: <1377222911-12144-1-git-send-email-weiyang@linux.vnet.ibm.com>
[+cc iommu]
On Fri, 2013-08-23 at 09:55 +0800, Wei Yang wrote:
> When removing a device from the system, iommu_group driver will try to
> disconnect it from its group. While in some cases, one device may not
> associated with any iommu_group. For example, not enough DMA address space.
>
> In the generic bus notification, it will check dev->iommu_group before calling
> iommu_group_remove_device(). While in some cases, developers may call
> iommu_group_remove_device() in a different code path and without check. For
> those devices with dev->iommu_group set to NULL, kernel will crash.
>
> This patch gives a warning and return when trying to remove a device from an
> iommu_group with dev->iommu_group set to NULL. This helps to indicate some bad
> behavior and also guard the kernel.
>
> Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
> ---
> drivers/iommu/iommu.c | 3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
> index fbe9ca7..43396f0 100644
> --- a/drivers/iommu/iommu.c
> +++ b/drivers/iommu/iommu.c
> @@ -379,6 +379,9 @@ void iommu_group_remove_device(struct device *dev)
> struct iommu_group *group = dev->iommu_group;
> struct iommu_device *tmp_device, *device = NULL;
>
> + if (WARN_ON(!group))
> + return;
> +
> /* Pre-notify listeners that a device is being removed. */
> blocking_notifier_call_chain(&group->notifier,
> IOMMU_GROUP_NOTIFY_DEL_DEVICE, dev);
^ permalink raw reply
* Re: [PATCH] powerpc/kvm: Handle the boundary condition correctly
From: Aneesh Kumar K.V @ 2013-08-23 3:31 UTC (permalink / raw)
To: Alexander Graf; +Cc: paulus, linuxppc-dev, kvm-ppc
In-Reply-To: <1683D101-052D-4BEB-8ED1-6F32C6904850@suse.de>
Alexander Graf <agraf@suse.de> writes:
> On 22.08.2013, at 12:37, Aneesh Kumar K.V wrote:
>
>> From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
>
> Isn't this you?
Yes. The patches are generated using git format-patch and sent by
git send-email. That's how it always created patches for me. I am not sure if
there is a config I can change to avoid having From:
>
>>
>> We should be able to copy upto count bytes
>
> Why?
>
Without this we end up doing
+ struct kvm_get_htab_buf {
+ struct kvm_get_htab_header header;
+ /*
+ * Older kernel required one extra byte.
+ */
+ unsigned long hpte[3];
+ } hpte_buf;
even though we are only looking for one hpte entry.
http://mid.gmane.org/1376995766-16526-4-git-send-email-aneesh.kumar@linux.vnet.ibm.com
>
> Alex
>
>>
>> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
>> ---
>> arch/powerpc/kvm/book3s_64_mmu_hv.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
>> index 710d313..0ae6bb6 100644
>> --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
>> +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
>> @@ -1362,7 +1362,7 @@ static ssize_t kvm_htab_read(struct file *file, char __user *buf,
>> lbuf = (unsigned long __user *)buf;
>>
>> nb = 0;
>> - while (nb + sizeof(hdr) + HPTE_SIZE < count) {
>> + while (nb + sizeof(hdr) + HPTE_SIZE <= count) {
>> /* Initialize header */
>> hptr = (struct kvm_get_htab_header __user *)buf;
>> hdr.n_valid = 0;
>> @@ -1385,7 +1385,7 @@ static ssize_t kvm_htab_read(struct file *file, char __user *buf,
>> /* Grab a series of valid entries */
>> while (i < kvm->arch.hpt_npte &&
>> hdr.n_valid < 0xffff &&
>> - nb + HPTE_SIZE < count &&
>> + nb + HPTE_SIZE <= count &&
>> record_hpte(flags, hptp, hpte, revp, 1, first_pass)) {
>> /* valid entry, write it out */
>> ++hdr.n_valid;
>> --
>> 1.8.1.2
>>
^ permalink raw reply
* Re: [PATCH v7 2/3] DMA: Freescale: Add new 8-channel DMA engine device tree nodes
From: Hongbo Zhang @ 2013-08-23 3:17 UTC (permalink / raw)
To: Stephen Warren
Cc: devicetree, vinod.koul, linux-kernel, djbw, Scott Wood,
linuxppc-dev
In-Reply-To: <52154A34.4020405@wwwdotorg.org>
On 08/22/2013 07:16 AM, Stephen Warren wrote:
> On 08/21/2013 05:00 PM, Scott Wood wrote:
>> On Wed, 2013-08-21 at 16:40 -0600, Stephen Warren wrote:
>>> On 07/29/2013 04:49 AM, hongbo.zhang@freescale.com wrote:
>>>> + - reg : <registers mapping for channel>
>>>> + - interrupts : <interrupt mapping for DMA channel IRQ>
>>> s/interrupts/specifier/
>> Do you mean s/interrupt mapping/interrupt specifier/?
>>
>> And probably s/registers mapping/register specifier/ as well.
> Yup.
>
OK, I will update these descriptions.
^ permalink raw reply
* RE: [PATCH V5 3/5] POWER/cpuidle: Generic IBM-POWER backend cpuidle driver.
From: Wang Dongsheng-B40534 @ 2013-08-23 3:16 UTC (permalink / raw)
To: Deepthi Dharwar, benh@kernel.crashing.org,
daniel.lezcano@linaro.org, linux-kernel@vger.kernel.org,
Wood Scott-B07421, linux-pm@lists.linux-foundation.org,
linuxppc-dev@lists.ozlabs.org
Cc: preeti@linux.vnet.ibm.com
In-Reply-To: <20130822095357.27416.48110.stgit@deepthi.in.ibm.com>
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^ permalink raw reply
* [PATCH 2/2] fs: use inode_set_user to set uid/gid of inode
From: Rui Xiang @ 2013-08-23 2:48 UTC (permalink / raw)
To: linux-fsdevel, viro
Cc: linux-s390, linux-ia64, Rui Xiang, linux-rdma, netdev, linux-usb,
linux-kernel, linux-mm, cgroups, v9fs-developer, linuxppc-dev
In-Reply-To: <1377226118-43756-1-git-send-email-rui.xiang@huawei.com>
Use the new interface to set i_uid/i_gid in inode struct.
Signed-off-by: Rui Xiang <rui.xiang@huawei.com>
---
arch/ia64/kernel/perfmon.c | 3 +--
arch/powerpc/platforms/cell/spufs/inode.c | 3 +--
arch/s390/hypfs/inode.c | 3 +--
drivers/infiniband/hw/qib/qib_fs.c | 3 +--
drivers/usb/gadget/f_fs.c | 3 +--
drivers/usb/gadget/inode.c | 5 +++--
fs/9p/vfs_inode.c | 6 ++----
fs/adfs/inode.c | 3 +--
fs/affs/inode.c | 6 ++----
fs/afs/inode.c | 6 ++----
fs/anon_inodes.c | 3 +--
fs/autofs4/inode.c | 4 ++--
fs/befs/linuxvfs.c | 8 ++++----
fs/ceph/caps.c | 5 +++--
fs/ceph/inode.c | 8 ++++----
fs/cifs/inode.c | 6 ++----
fs/configfs/inode.c | 3 +--
fs/debugfs/inode.c | 3 +--
fs/devpts/inode.c | 7 +++----
fs/ext2/ialloc.c | 3 +--
fs/ext3/ialloc.c | 3 +--
fs/ext4/ialloc.c | 3 +--
fs/fat/inode.c | 6 ++----
fs/fuse/control.c | 3 +--
fs/fuse/inode.c | 4 ++--
fs/hfs/inode.c | 6 ++----
fs/hfsplus/inode.c | 3 +--
fs/hpfs/inode.c | 3 +--
fs/hpfs/namei.c | 12 ++++--------
fs/hugetlbfs/inode.c | 3 +--
fs/isofs/inode.c | 3 +--
fs/isofs/rock.c | 3 +--
fs/ncpfs/inode.c | 3 +--
fs/nfs/inode.c | 4 ++--
fs/ntfs/inode.c | 12 ++++--------
fs/ntfs/mft.c | 3 +--
fs/ntfs/super.c | 3 +--
fs/ocfs2/refcounttree.c | 3 +--
fs/omfs/inode.c | 3 +--
fs/pipe.c | 3 +--
fs/proc/base.c | 15 +++++----------
fs/proc/fd.c | 8 ++++----
fs/proc/inode.c | 3 +--
fs/proc/self.c | 3 +--
fs/stack.c | 3 +--
fs/sysfs/inode.c | 3 +--
fs/xfs/xfs_iops.c | 4 ++--
ipc/mqueue.c | 3 +--
kernel/cgroup.c | 3 +--
mm/shmem.c | 3 +--
net/socket.c | 3 +--
51 files changed, 86 insertions(+), 142 deletions(-)
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 5a9ff1c..73e1e55 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -2202,8 +2202,7 @@ pfm_alloc_file(pfm_context_t *ctx)
DPRINT(("new inode ino=%ld @%p\n", inode->i_ino, inode));
inode->i_mode = S_IFCHR|S_IRUGO;
- inode->i_uid = current_fsuid();
- inode->i_gid = current_fsgid();
+ inode_set_user(inode, current_fsuid(), current_fsgid());
/*
* allocate a new dcache entry
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 87ba7cf..4580c9b 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -101,8 +101,7 @@ spufs_new_inode(struct super_block *sb, umode_t mode)
inode->i_ino = get_next_ino();
inode->i_mode = mode;
- inode->i_uid = current_fsuid();
- inode->i_gid = current_fsgid();
+ inode_set_user(inode, current_fsuid(), current_fsgid());
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
out:
return inode;
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 7a539f4..742e430 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -103,8 +103,7 @@ static struct inode *hypfs_make_inode(struct super_block *sb, umode_t mode)
struct hypfs_sb_info *hypfs_info = sb->s_fs_info;
ret->i_ino = get_next_ino();
ret->i_mode = mode;
- ret->i_uid = hypfs_info->uid;
- ret->i_gid = hypfs_info->gid;
+ inode_set_user(ret, hypfs_info->uid, hypfs_info->gid);
ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME;
if (S_ISDIR(mode))
set_nlink(ret, 2);
diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c
index f247fc6e..6683837 100644
--- a/drivers/infiniband/hw/qib/qib_fs.c
+++ b/drivers/infiniband/hw/qib/qib_fs.c
@@ -61,13 +61,12 @@ static int qibfs_mknod(struct inode *dir, struct dentry *dentry,
inode->i_ino = get_next_ino();
inode->i_mode = mode;
- inode->i_uid = GLOBAL_ROOT_UID;
- inode->i_gid = GLOBAL_ROOT_GID;
inode->i_blocks = 0;
inode->i_atime = CURRENT_TIME;
inode->i_mtime = inode->i_atime;
inode->i_ctime = inode->i_atime;
inode->i_private = data;
+ inode_set_user(inode, GLOBAL_ROOT_UID, GLOBAL_ROOT_GID);
if (S_ISDIR(mode)) {
inode->i_op = &simple_dir_inode_operations;
inc_nlink(inode);
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index f394f29..95530f4 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -980,8 +980,6 @@ ffs_sb_make_inode(struct super_block *sb, void *data,
inode->i_ino = get_next_ino();
inode->i_mode = perms->mode;
- inode->i_uid = perms->uid;
- inode->i_gid = perms->gid;
inode->i_atime = current_time;
inode->i_mtime = current_time;
inode->i_ctime = current_time;
@@ -990,6 +988,7 @@ ffs_sb_make_inode(struct super_block *sb, void *data,
inode->i_fop = fops;
if (iops)
inode->i_op = iops;
+ inode_set_user(inode, perms->uid, perms->gid);
}
return inode;
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index f255ad7..40eb2b9 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1999,12 +1999,13 @@ gadgetfs_make_inode (struct super_block *sb,
if (inode) {
inode->i_ino = get_next_ino();
inode->i_mode = mode;
- inode->i_uid = make_kuid(&init_user_ns, default_uid);
- inode->i_gid = make_kgid(&init_user_ns, default_gid);
inode->i_atime = inode->i_mtime = inode->i_ctime
= CURRENT_TIME;
inode->i_private = data;
inode->i_fop = fops;
+ inode_set_user(inode,
+ make_kuid(&init_user_ns, default_uid),
+ make_kgid(&init_user_ns, default_gid));
}
return inode;
}
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 94de6d1..9578768 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -1170,12 +1170,10 @@ v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
inode->i_mtime.tv_sec = stat->mtime;
inode->i_ctime.tv_sec = stat->mtime;
- inode->i_uid = v9ses->dfltuid;
- inode->i_gid = v9ses->dfltgid;
+ inode_set_user(inode, v9ses->dfltuid, v9ses->dfltgid);
if (v9fs_proto_dotu(v9ses)) {
- inode->i_uid = stat->n_uid;
- inode->i_gid = stat->n_gid;
+ inode_set_user(inode, stat->n_uid, stat->n_gid);
}
if ((S_ISREG(inode->i_mode)) || (S_ISDIR(inode->i_mode))) {
if (v9fs_proto_dotu(v9ses) && (stat->extension[0] != '\0')) {
diff --git a/fs/adfs/inode.c b/fs/adfs/inode.c
index b9acada..9c9a9ede 100644
--- a/fs/adfs/inode.c
+++ b/fs/adfs/inode.c
@@ -248,8 +248,7 @@ adfs_iget(struct super_block *sb, struct object_info *obj)
if (!inode)
goto out;
- inode->i_uid = ADFS_SB(sb)->s_uid;
- inode->i_gid = ADFS_SB(sb)->s_gid;
+ inode_set_user(inode, ADFS_SB(sb)->s_uid, ADFS_SB(sb)->s_gid);
inode->i_ino = obj->file_id;
inode->i_size = obj->size;
set_nlink(inode, 2);
diff --git a/fs/affs/inode.c b/fs/affs/inode.c
index 0e092d0..f969757 100644
--- a/fs/affs/inode.c
+++ b/fs/affs/inode.c
@@ -94,8 +94,7 @@ struct inode *affs_iget(struct super_block *sb, unsigned long ino)
switch (be32_to_cpu(tail->stype)) {
case ST_ROOT:
- inode->i_uid = sbi->s_uid;
- inode->i_gid = sbi->s_gid;
+ inode_set_user(inode, sbi->s_uid, sbi->s_gid);
/* fall through */
case ST_USERDIR:
if (be32_to_cpu(tail->stype) == ST_USERDIR ||
@@ -304,8 +303,7 @@ affs_new_inode(struct inode *dir)
mark_buffer_dirty_inode(bh, inode);
affs_brelse(bh);
- inode->i_uid = current_fsuid();
- inode->i_gid = current_fsgid();
+ inode_set_user(inode, current_fsuid(), current_fsgid());
inode->i_ino = block;
set_nlink(inode, 1);
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
diff --git a/fs/afs/inode.c b/fs/afs/inode.c
index 789bc25..b27656a 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -68,8 +68,7 @@ static int afs_inode_map_status(struct afs_vnode *vnode, struct key *key)
#endif
set_nlink(inode, vnode->status.nlink);
- inode->i_uid = vnode->status.owner;
- inode->i_gid = GLOBAL_ROOT_GID;
+ inode_set_user(inode, vnode->status.owner, GLOBAL_ROOT_GID);
inode->i_size = vnode->status.size;
inode->i_ctime.tv_sec = vnode->status.mtime_server;
inode->i_ctime.tv_nsec = 0;
@@ -175,8 +174,7 @@ struct inode *afs_iget_autocell(struct inode *dir, const char *dev_name,
inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO;
inode->i_op = &afs_autocell_inode_operations;
set_nlink(inode, 2);
- inode->i_uid = GLOBAL_ROOT_UID;
- inode->i_gid = GLOBAL_ROOT_GID;
+ inode_set_user(inode, GLOBAL_ROOT_UID, GLOBAL_ROOT_GID);
inode->i_ctime.tv_sec = get_seconds();
inode->i_ctime.tv_nsec = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime;
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 85c9618..16f78ac 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -77,10 +77,9 @@ static struct inode *anon_inode_mkinode(struct super_block *s)
*/
inode->i_state = I_DIRTY;
inode->i_mode = S_IRUSR | S_IWUSR;
- inode->i_uid = current_fsuid();
- inode->i_gid = current_fsgid();
inode->i_flags |= S_PRIVATE;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+ inode_set_user(inode, current_fsuid(), current_fsgid());
return inode;
}
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 1b045ec..8e6e2ea 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -353,8 +353,8 @@ struct inode *autofs4_get_inode(struct super_block *sb, umode_t mode)
inode->i_mode = mode;
if (sb->s_root) {
- inode->i_uid = sb->s_root->d_inode->i_uid;
- inode->i_gid = sb->s_root->d_inode->i_gid;
+ inode_set_user(inode, sb->s_root->d_inode->i_uid,
+ sb->s_root->d_inode->i_gid);
}
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
inode->i_ino = get_next_ino();
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index e9c75e2..40dbd80 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -356,12 +356,12 @@ static struct inode *befs_iget(struct super_block *sb, unsigned long ino)
* you can change by "uid" or "gid" options.
*/
- inode->i_uid = befs_sb->mount_opts.use_uid ?
+ inode_set_user(inode, befs_sb->mount_opts.use_uid ?
befs_sb->mount_opts.uid :
- make_kuid(&init_user_ns, fs32_to_cpu(sb, raw_inode->uid));
- inode->i_gid = befs_sb->mount_opts.use_gid ?
+ make_kuid(&init_user_ns, fs32_to_cpu(sb, raw_inode->uid)),
+ befs_sb->mount_opts.use_gid ?
befs_sb->mount_opts.gid :
- make_kgid(&init_user_ns, fs32_to_cpu(sb, raw_inode->gid));
+ make_kgid(&init_user_ns, fs32_to_cpu(sb, raw_inode->gid)));
set_nlink(inode, 1);
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 430121a..d548f22 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2433,8 +2433,9 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
if ((issued & CEPH_CAP_AUTH_EXCL) == 0) {
inode->i_mode = le32_to_cpu(grant->mode);
- inode->i_uid = make_kuid(&init_user_ns, le32_to_cpu(grant->uid));
- inode->i_gid = make_kgid(&init_user_ns, le32_to_cpu(grant->gid));
+ inode_set_user(inode,
+ make_kuid(&init_user_ns, le32_to_cpu(grant->uid)),
+ make_kgid(&init_user_ns, le32_to_cpu(grant->gid)));
dout("%p mode 0%o uid.gid %d.%d\n", inode, inode->i_mode,
from_kuid(&init_user_ns, inode->i_uid),
from_kgid(&init_user_ns, inode->i_gid));
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 98b6e50..b3979e7 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -85,12 +85,11 @@ struct inode *ceph_get_snapdir(struct inode *parent)
if (IS_ERR(inode))
return inode;
inode->i_mode = parent->i_mode;
- inode->i_uid = parent->i_uid;
- inode->i_gid = parent->i_gid;
inode->i_op = &ceph_dir_iops;
inode->i_fop = &ceph_dir_fops;
ci->i_snap_caps = CEPH_CAP_PIN; /* so we can open */
ci->i_rbytes = 0;
+ inode_set_user(inode, parent->i_uid, parent->i_gid);
return inode;
}
@@ -619,8 +618,9 @@ static int fill_inode(struct inode *inode,
if ((issued & CEPH_CAP_AUTH_EXCL) == 0) {
inode->i_mode = le32_to_cpu(info->mode);
- inode->i_uid = make_kuid(&init_user_ns, le32_to_cpu(info->uid));
- inode->i_gid = make_kgid(&init_user_ns, le32_to_cpu(info->gid));
+ inode_set_user(inode,
+ make_kuid(&init_user_ns, le32_to_cpu(info->uid)),
+ make_kgid(&init_user_ns, le32_to_cpu(info->gid)));
dout("%p mode 0%o uid.gid %d.%d\n", inode, inode->i_mode,
from_kuid(&init_user_ns, inode->i_uid),
from_kgid(&init_user_ns, inode->i_gid));
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 90ef287..70eef44 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -135,8 +135,7 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
inode->i_ctime = fattr->cf_ctime;
inode->i_rdev = fattr->cf_rdev;
set_nlink(inode, fattr->cf_nlink);
- inode->i_uid = fattr->cf_uid;
- inode->i_gid = fattr->cf_gid;
+ inode_set_user(inode, fattr->cf_uid, fattr->cf_gid);
/* if dynperm is set, don't clobber existing mode */
if (inode->i_state & I_NEW ||
@@ -918,8 +917,7 @@ struct inode *cifs_root_iget(struct super_block *sb)
set_nlink(inode, 2);
inode->i_op = &cifs_ipc_inode_ops;
inode->i_fop = &simple_dir_operations;
- inode->i_uid = cifs_sb->mnt_uid;
- inode->i_gid = cifs_sb->mnt_gid;
+ inode_set_user(inode, cifs_sb->mnt_uid, cifs_sb->mnt_gid);
spin_unlock(&inode->i_lock);
} else if (rc) {
iget_failed(inode);
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index a9d35b0..c9dc07a 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -123,11 +123,10 @@ static inline void set_default_inode_attr(struct inode * inode, umode_t mode)
static inline void set_inode_attr(struct inode * inode, struct iattr * iattr)
{
inode->i_mode = iattr->ia_mode;
- inode->i_uid = iattr->ia_uid;
- inode->i_gid = iattr->ia_gid;
inode->i_atime = iattr->ia_atime;
inode->i_mtime = iattr->ia_mtime;
inode->i_ctime = iattr->ia_ctime;
+ inode_set_user(inode, iattr->ia_uid, iattr->ia_gid);
}
struct inode *configfs_new_inode(umode_t mode, struct configfs_dirent *sd,
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index c7c83ff..f7f3687 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -207,8 +207,7 @@ static int debugfs_apply_options(struct super_block *sb)
inode->i_mode &= ~S_IALLUGO;
inode->i_mode |= opts->mode;
- inode->i_uid = opts->uid;
- inode->i_gid = opts->gid;
+ inode_set_user(inode, opts->uid, opts->gid);
return 0;
}
diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
index 073d30b..a4d8c7a 100644
--- a/fs/devpts/inode.c
+++ b/fs/devpts/inode.c
@@ -280,8 +280,7 @@ static int mknod_ptmx(struct super_block *sb)
mode = S_IFCHR|opts->ptmxmode;
init_special_inode(inode, mode, MKDEV(TTYAUX_MAJOR, 2));
- inode->i_uid = root_uid;
- inode->i_gid = root_gid;
+ inode_set_user(inode, root_uid, root_gid);
d_add(dentry, inode);
@@ -588,8 +587,8 @@ struct inode *devpts_pty_new(struct inode *ptmx_inode, dev_t device, int index,
return ERR_PTR(-ENOMEM);
inode->i_ino = index + 3;
- inode->i_uid = opts->setuid ? opts->uid : current_fsuid();
- inode->i_gid = opts->setgid ? opts->gid : current_fsgid();
+ inode_set_user(inode, opts->setuid ? opts->uid : current_fsuid(),
+ opts->setgid ? opts->gid : current_fsgid());
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
init_special_inode(inode, S_IFCHR|opts->mode, device);
inode->i_private = priv;
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 7cadd82..ccb6678 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -544,8 +544,7 @@ got:
mark_buffer_dirty(bh2);
if (test_opt(sb, GRPID)) {
inode->i_mode = mode;
- inode->i_uid = current_fsuid();
- inode->i_gid = dir->i_gid;
+ inode_set_user(inode, current_fsuid(), dir->i_gid);
} else
inode_init_owner(inode, dir, mode);
diff --git a/fs/ext3/ialloc.c b/fs/ext3/ialloc.c
index 082afd7..b858f92 100644
--- a/fs/ext3/ialloc.c
+++ b/fs/ext3/ialloc.c
@@ -467,8 +467,7 @@ got:
if (test_opt(sb, GRPID)) {
inode->i_mode = mode;
- inode->i_uid = current_fsuid();
- inode->i_gid = dir->i_gid;
+ inode_set_user(inode, current_fsuid(), dir->i_gid);
} else
inode_init_owner(inode, dir, mode);
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 666a5ed..6644ceb 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -722,8 +722,7 @@ struct inode *__ext4_new_inode(handle_t *handle, struct inode *dir,
i_gid_write(inode, owner[1]);
} else if (test_opt(sb, GRPID)) {
inode->i_mode = mode;
- inode->i_uid = current_fsuid();
- inode->i_gid = dir->i_gid;
+ inode_set_user(inode, current_fsuid(), dir->i_gid);
} else
inode_init_owner(inode, dir, mode);
dquot_initialize(inode);
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 7152c07..92d2b4f 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -443,8 +443,7 @@ int fat_fill_inode(struct inode *inode, struct msdos_dir_entry *de)
int error;
MSDOS_I(inode)->i_pos = 0;
- inode->i_uid = sbi->options.fs_uid;
- inode->i_gid = sbi->options.fs_gid;
+ inode_set_user(inode, sbi->options.fs_uid, sbi->options.fs_gid);
inode->i_version++;
inode->i_generation = get_seconds();
@@ -1252,8 +1251,7 @@ static int fat_read_root(struct inode *inode)
int error;
MSDOS_I(inode)->i_pos = MSDOS_ROOT_INO;
- inode->i_uid = sbi->options.fs_uid;
- inode->i_gid = sbi->options.fs_gid;
+ inode_set_user(inode, sbi->options.fs_uid, sbi->options.fs_gid);
inode->i_version++;
inode->i_generation = 0;
inode->i_mode = fat_make_mode(sbi, ATTR_DIR, S_IRWXUGO);
diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index a0b0855..117d6ae 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -218,8 +218,7 @@ static struct dentry *fuse_ctl_add_dentry(struct dentry *parent,
inode->i_ino = get_next_ino();
inode->i_mode = mode;
- inode->i_uid = fc->user_id;
- inode->i_gid = fc->group_id;
+ inode_set_user(inode, fc->user_id, fc->group_id);
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
/* setting ->i_op to NULL is not allowed */
if (iop)
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index a24e2a7..3a76cf1 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -165,8 +165,8 @@ void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr,
inode->i_ino = fuse_squash_ino(attr->ino);
inode->i_mode = (inode->i_mode & S_IFMT) | (attr->mode & 07777);
set_nlink(inode, attr->nlink);
- inode->i_uid = make_kuid(&init_user_ns, attr->uid);
- inode->i_gid = make_kgid(&init_user_ns, attr->gid);
+ inode_set_user(inode, make_kuid(&init_user_ns, attr->uid),
+ make_kgid(&init_user_ns, attr->gid));
inode->i_blocks = attr->blocks;
inode->i_atime.tv_sec = attr->atime;
inode->i_atime.tv_nsec = attr->atimensec;
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index 3fe7b8e..b6de5ff 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -189,8 +189,7 @@ struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, umode_t mode)
hfs_cat_build_key(sb, (btree_key *)&HFS_I(inode)->cat_key, dir->i_ino, name);
inode->i_ino = HFS_SB(sb)->next_id++;
inode->i_mode = mode;
- inode->i_uid = current_fsuid();
- inode->i_gid = current_fsgid();
+ inode_set_user(inode, current_fsuid(), current_fsgid());
set_nlink(inode, 1);
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
HFS_I(inode)->flags = 0;
@@ -319,8 +318,7 @@ static int hfs_read_inode(struct inode *inode, void *data)
INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list);
/* Initialize the inode */
- inode->i_uid = hsb->s_uid;
- inode->i_gid = hsb->s_gid;
+ inode_set_user(inode, hsb->s_uid, hsb->s_gid);
set_nlink(inode, 1);
if (idata->key)
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 96d7a2c..75a9e57 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -421,8 +421,7 @@ struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode)
inode->i_ino = sbi->next_cnid++;
inode->i_mode = mode;
- inode->i_uid = current_fsuid();
- inode->i_gid = current_fsgid();
+ inode_set_user(inode, current_fsuid(), current_fsgid());
set_nlink(inode, 1);
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c
index 9edeeb0..d16d8eb 100644
--- a/fs/hpfs/inode.c
+++ b/fs/hpfs/inode.c
@@ -15,8 +15,7 @@ void hpfs_init_inode(struct inode *i)
struct super_block *sb = i->i_sb;
struct hpfs_inode_info *hpfs_inode = hpfs_i(i);
- i->i_uid = hpfs_sb(sb)->sb_uid;
- i->i_gid = hpfs_sb(sb)->sb_gid;
+ inode_set_user(i, hpfs_sb(sb)->sb_uid, hpfs_sb(sb)->sb_gid);
i->i_mode = hpfs_sb(sb)->sb_mode;
i->i_size = -1;
i->i_blocks = -1;
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index 345713d..c5def10 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -94,8 +94,7 @@ static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
if (!uid_eq(result->i_uid, current_fsuid()) ||
!gid_eq(result->i_gid, current_fsgid()) ||
result->i_mode != (mode | S_IFDIR)) {
- result->i_uid = current_fsuid();
- result->i_gid = current_fsgid();
+ inode_set_user(result, current_fsuid(), current_fsgid());
result->i_mode = mode | S_IFDIR;
hpfs_write_inode_nolock(result);
}
@@ -182,8 +181,7 @@ static int hpfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, b
if (!uid_eq(result->i_uid, current_fsuid()) ||
!gid_eq(result->i_gid, current_fsgid()) ||
result->i_mode != (mode | S_IFREG)) {
- result->i_uid = current_fsuid();
- result->i_gid = current_fsgid();
+ inode_set_user(result, current_fsuid(), current_fsgid());
result->i_mode = mode | S_IFREG;
hpfs_write_inode_nolock(result);
}
@@ -240,8 +238,7 @@ static int hpfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, de
result->i_mtime.tv_nsec = 0;
result->i_atime.tv_nsec = 0;
hpfs_i(result)->i_ea_size = 0;
- result->i_uid = current_fsuid();
- result->i_gid = current_fsgid();
+ inode_set_user(result, current_fsuid(), current_fsgid());
set_nlink(result, 1);
result->i_size = 0;
result->i_blocks = 1;
@@ -315,8 +312,7 @@ static int hpfs_symlink(struct inode *dir, struct dentry *dentry, const char *sy
result->i_atime.tv_nsec = 0;
hpfs_i(result)->i_ea_size = 0;
result->i_mode = S_IFLNK | 0777;
- result->i_uid = current_fsuid();
- result->i_gid = current_fsgid();
+ inode_set_user(result, current_fsuid(), current_fsgid());
result->i_blocks = 1;
set_nlink(result, 1);
result->i_size = strlen(symlink);
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 3442397..603d597 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -449,8 +449,7 @@ static struct inode *hugetlbfs_get_root(struct super_block *sb,
struct hugetlbfs_inode_info *info;
inode->i_ino = get_next_ino();
inode->i_mode = S_IFDIR | config->mode;
- inode->i_uid = config->uid;
- inode->i_gid = config->gid;
+ inode_set_user(inode, config->uid, config->gid);
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
info = HUGETLBFS_I(inode);
mpol_shared_policy_init(&info->policy, NULL);
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index e5d408a..3d26462 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -1333,8 +1333,7 @@ static int isofs_read_inode(struct inode *inode)
}
set_nlink(inode, 1);
}
- inode->i_uid = sbi->s_uid;
- inode->i_gid = sbi->s_gid;
+ inode_set_user(inode, sbi->s_uid, sbi->s_gid);
inode->i_blocks = 0;
ei->i_format_parm[0] = 0;
diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c
index c0bf424..4490509 100644
--- a/fs/isofs/rock.c
+++ b/fs/isofs/rock.c
@@ -497,8 +497,7 @@ repeat:
}
inode->i_mode = reloc->i_mode;
set_nlink(inode, reloc->i_nlink);
- inode->i_uid = reloc->i_uid;
- inode->i_gid = reloc->i_gid;
+ inode_set_user(inode, reloc->i_uid, reloc->i_gid);
inode->i_rdev = reloc->i_rdev;
inode->i_size = reloc->i_size;
inode->i_blocks = reloc->i_blocks;
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index 4659da6..52aea43 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -232,8 +232,7 @@ static void ncp_set_attr(struct inode *inode, struct ncp_entry_info *nwinfo)
DDPRINTK("ncp_read_inode: inode->i_mode = %u\n", inode->i_mode);
set_nlink(inode, 1);
- inode->i_uid = server->m.uid;
- inode->i_gid = server->m.gid;
+ inode_set_user(inode, server->m.uid, server->m.gid);
ncp_update_dates(inode, &nwinfo->i);
ncp_update_inode(inode, nwinfo);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 42a584a..863799b 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -401,8 +401,8 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st
inode->i_version = 0;
inode->i_size = 0;
clear_nlink(inode);
- inode->i_uid = make_kuid(&init_user_ns, -2);
- inode->i_gid = make_kgid(&init_user_ns, -2);
+ inode_set_user(inode, make_kuid(&init_user_ns, -2),
+ make_kgid(&init_user_ns, -2));
inode->i_blocks = 0;
memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf));
nfsi->write_io = 0;
diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index 2778b02..61aa5a7 100644
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -568,8 +568,7 @@ static int ntfs_read_locked_inode(struct inode *vi)
*/
vi->i_version = 1;
- vi->i_uid = vol->uid;
- vi->i_gid = vol->gid;
+ inode_set_user(vi, vol->uid, vol->gid);
vi->i_mode = 0;
/*
@@ -1240,8 +1239,7 @@ static int ntfs_read_locked_attr_inode(struct inode *base_vi, struct inode *vi)
/* Just mirror the values from the base inode. */
vi->i_version = base_vi->i_version;
- vi->i_uid = base_vi->i_uid;
- vi->i_gid = base_vi->i_gid;
+ inode_set_user(vi, base_vi->i_uid, base_vi->i_gid);
set_nlink(vi, base_vi->i_nlink);
vi->i_mtime = base_vi->i_mtime;
vi->i_ctime = base_vi->i_ctime;
@@ -1506,8 +1504,7 @@ static int ntfs_read_locked_index_inode(struct inode *base_vi, struct inode *vi)
base_ni = NTFS_I(base_vi);
/* Just mirror the values from the base inode. */
vi->i_version = base_vi->i_version;
- vi->i_uid = base_vi->i_uid;
- vi->i_gid = base_vi->i_gid;
+ inode_set_user(vi, base_vi->i_uid, base_vi->i_gid);
set_nlink(vi, base_vi->i_nlink);
vi->i_mtime = base_vi->i_mtime;
vi->i_ctime = base_vi->i_ctime;
@@ -2125,8 +2122,7 @@ int ntfs_read_inode_mount(struct inode *vi)
* ntfs_read_inode() will have set up the default ones.
*/
/* Set uid and gid to root. */
- vi->i_uid = GLOBAL_ROOT_UID;
- vi->i_gid = GLOBAL_ROOT_GID;
+ inode_set_user(vi, GLOBAL_ROOT_UID, GLOBAL_ROOT_GID);
/* Regular file. No access for anyone. */
vi->i_mode = S_IFREG;
/* No VFS initiated operations allowed for $MFT. */
diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c
index 3014a36..d808a21 100644
--- a/fs/ntfs/mft.c
+++ b/fs/ntfs/mft.c
@@ -2648,8 +2648,7 @@ mft_rec_already_initialized:
vi->i_version = 1;
/* The owner and group come from the ntfs volume. */
- vi->i_uid = vol->uid;
- vi->i_gid = vol->gid;
+ inode_set_user(vi, vol->uid, vol->gid);
/* Initialize the ntfs specific part of @vi. */
ntfs_init_big_inode(vi);
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index 82650d5..09a2e72 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -1047,8 +1047,7 @@ static bool load_and_init_mft_mirror(ntfs_volume *vol)
* ntfs_read_inode() will have set up the default ones.
*/
/* Set uid and gid to root. */
- tmp_ino->i_uid = GLOBAL_ROOT_UID;
- tmp_ino->i_gid = GLOBAL_ROOT_GID;
+ inode_set_user(tmp_ino, GLOBAL_ROOT_UID, GLOBAL_ROOT_GID);
/* Regular file. No access for anyone. */
tmp_ino->i_mode = S_IFREG;
/* No VFS initiated operations allowed for $MFTMirr. */
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index bf4dfc1..84f4859 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -4100,8 +4100,7 @@ static int ocfs2_complete_reflink(struct inode *s_inode,
di->i_attr = s_di->i_attr;
if (preserve) {
- t_inode->i_uid = s_inode->i_uid;
- t_inode->i_gid = s_inode->i_gid;
+ inode_set_user(t_inode, s_inode->i_uid, s_inode->i_gid);
t_inode->i_mode = s_inode->i_mode;
di->i_uid = s_di->i_uid;
di->i_gid = s_di->i_gid;
diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index d8b0afd..f4a252e 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -222,8 +222,7 @@ struct inode *omfs_iget(struct super_block *sb, ino_t ino)
if (ino != be64_to_cpu(oi->i_head.h_self))
goto fail_bh;
- inode->i_uid = sbi->s_uid;
- inode->i_gid = sbi->s_gid;
+ inode_set_user(inode, sbi->s_uid, sbi->s_gid);
ctime = be64_to_cpu(oi->i_ctime);
nsecs = do_div(ctime, 1000) * 1000L;
diff --git a/fs/pipe.c b/fs/pipe.c
index d2c45e1..6df8161 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -853,8 +853,7 @@ static struct inode * get_pipe_inode(void)
*/
inode->i_state = I_DIRTY;
inode->i_mode = S_IFIFO | S_IRUSR | S_IWUSR;
- inode->i_uid = current_fsuid();
- inode->i_gid = current_fsgid();
+ inode_set_user(inode, current_fsuid(), current_fsgid());
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
return inode;
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 1485e38..cd9e41e 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1555,8 +1555,7 @@ struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *t
if (task_dumpable(task)) {
rcu_read_lock();
cred = __task_cred(task);
- inode->i_uid = cred->euid;
- inode->i_gid = cred->egid;
+ inode_set_user(inode, cred->euid, cred->egid);
rcu_read_unlock();
}
security_task_to_inode(task, inode);
@@ -1636,12 +1635,10 @@ int pid_revalidate(struct dentry *dentry, unsigned int flags)
task_dumpable(task)) {
rcu_read_lock();
cred = __task_cred(task);
- inode->i_uid = cred->euid;
- inode->i_gid = cred->egid;
+ inode_set_user(inode, cred->euid, cred->egid);
rcu_read_unlock();
} else {
- inode->i_uid = GLOBAL_ROOT_UID;
- inode->i_gid = GLOBAL_ROOT_GID;
+ inode_set_user(inode, GLOBAL_ROOT_UID, GLOBAL_ROOT_GID);
}
inode->i_mode &= ~(S_ISUID | S_ISGID);
security_task_to_inode(task, inode);
@@ -1765,12 +1762,10 @@ static int map_files_d_revalidate(struct dentry *dentry, unsigned int flags)
if (task_dumpable(task)) {
rcu_read_lock();
cred = __task_cred(task);
- inode->i_uid = cred->euid;
- inode->i_gid = cred->egid;
+ inode_set_user(inode, cred->euid, cred->egid);
rcu_read_unlock();
} else {
- inode->i_uid = GLOBAL_ROOT_UID;
- inode->i_gid = GLOBAL_ROOT_GID;
+ inode_set_user(inode, GLOBAL_ROOT_UID, GLOBAL_ROOT_GID)
}
security_task_to_inode(task, inode);
status = 1;
diff --git a/fs/proc/fd.c b/fs/proc/fd.c
index 0ff80f9..f62cb78 100644
--- a/fs/proc/fd.c
+++ b/fs/proc/fd.c
@@ -101,12 +101,12 @@ static int tid_fd_revalidate(struct dentry *dentry, unsigned int flags)
if (task_dumpable(task)) {
rcu_read_lock();
cred = __task_cred(task);
- inode->i_uid = cred->euid;
- inode->i_gid = cred->egid;
+ inode_set_user(inode,
+ cred->euid, cred->egid);
rcu_read_unlock();
} else {
- inode->i_uid = GLOBAL_ROOT_UID;
- inode->i_gid = GLOBAL_ROOT_GID;
+ inode_set_user(inode,
+ GLOBAL_ROOT_UID, GLOBAL_ROOT_GID);
}
if (S_ISLNK(inode->i_mode)) {
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 073aea6..74e42bc 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -384,8 +384,7 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
if (de->mode) {
inode->i_mode = de->mode;
- inode->i_uid = de->uid;
- inode->i_gid = de->gid;
+ inode_set_user(inode, de->uid, de->gid);
}
if (de->size)
inode->i_size = de->size;
diff --git a/fs/proc/self.c b/fs/proc/self.c
index 6b6a993..679f29d 100644
--- a/fs/proc/self.c
+++ b/fs/proc/self.c
@@ -66,9 +66,8 @@ int proc_setup_self(struct super_block *s)
inode->i_ino = self_inum;
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
inode->i_mode = S_IFLNK | S_IRWXUGO;
- inode->i_uid = GLOBAL_ROOT_UID;
- inode->i_gid = GLOBAL_ROOT_GID;
inode->i_op = &proc_self_inode_operations;
+ inode_set_user(inode, GLOBAL_ROOT_UID, GLOBAL_ROOT_GID);
d_add(self, inode);
} else {
dput(self);
diff --git a/fs/stack.c b/fs/stack.c
index 5b53882..b147803 100644
--- a/fs/stack.c
+++ b/fs/stack.c
@@ -63,14 +63,13 @@ EXPORT_SYMBOL_GPL(fsstack_copy_inode_size);
void fsstack_copy_attr_all(struct inode *dest, const struct inode *src)
{
dest->i_mode = src->i_mode;
- dest->i_uid = src->i_uid;
- dest->i_gid = src->i_gid;
dest->i_rdev = src->i_rdev;
dest->i_atime = src->i_atime;
dest->i_mtime = src->i_mtime;
dest->i_ctime = src->i_ctime;
dest->i_blkbits = src->i_blkbits;
dest->i_flags = src->i_flags;
+ inode_set_user(dest, src->i_uid, src->i_gid);
set_nlink(dest, src->i_nlink);
}
EXPORT_SYMBOL_GPL(fsstack_copy_attr_all);
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index 3e2837a..87b06f7 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -194,11 +194,10 @@ static inline void set_default_inode_attr(struct inode * inode, umode_t mode)
static inline void set_inode_attr(struct inode * inode, struct iattr * iattr)
{
- inode->i_uid = iattr->ia_uid;
- inode->i_gid = iattr->ia_gid;
inode->i_atime = iattr->ia_atime;
inode->i_mtime = iattr->ia_mtime;
inode->i_ctime = iattr->ia_ctime;
+ inode_set_user(inode, iattr->ia_uid, iattr->ia_gid);
}
static void sysfs_refresh_inode(struct sysfs_dirent *sd, struct inode *inode)
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 6d7e9e2..6d91cfa 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -1174,8 +1174,8 @@ xfs_setup_inode(
inode->i_mode = ip->i_d.di_mode;
set_nlink(inode, ip->i_d.di_nlink);
- inode->i_uid = xfs_uid_to_kuid(ip->i_d.di_uid);
- inode->i_gid = xfs_gid_to_kgid(ip->i_d.di_gid);
+ inode_set_user(inode, xfs_uid_to_kuid(ip->i_d.di_uid),
+ xfs_gid_to_kgid(ip->i_d.di_gid));
switch (inode->i_mode & S_IFMT) {
case S_IFBLK:
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index ae1996d..cc7fb87 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -227,8 +227,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb,
inode->i_ino = get_next_ino();
inode->i_mode = mode;
- inode->i_uid = current_fsuid();
- inode->i_gid = current_fsgid();
+ inode_set_user(inode, current_fsuid(), current_fsgid());
inode->i_mtime = inode->i_ctime = inode->i_atime = CURRENT_TIME;
if (S_ISREG(mode)) {
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 7b35ff9..14671ca 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -846,8 +846,7 @@ static struct inode *cgroup_new_inode(umode_t mode, struct super_block *sb)
if (inode) {
inode->i_ino = get_next_ino();
inode->i_mode = mode;
- inode->i_uid = current_fsuid();
- inode->i_gid = current_fsgid();
+ inode_set_user(inode, current_fsuid(), current_fsgid());
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
inode->i_mapping->backing_dev_info = &cgroup_backing_dev_info;
}
diff --git a/mm/shmem.c b/mm/shmem.c
index f00c1c1..d554ac4f 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2628,8 +2628,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent)
inode = shmem_get_inode(sb, NULL, S_IFDIR | sbinfo->mode, 0, VM_NORESERVE);
if (!inode)
goto failed;
- inode->i_uid = sbinfo->uid;
- inode->i_gid = sbinfo->gid;
+ inode_set_user(inode, sbinfo->uid, sbinfo->gid);
sb->s_root = d_make_root(inode);
if (!sb->s_root)
goto failed;
diff --git a/net/socket.c b/net/socket.c
index ebed4b6..6c711a5 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -547,8 +547,7 @@ static struct socket *sock_alloc(void)
kmemcheck_annotate_bitfield(sock, type);
inode->i_ino = get_next_ino();
inode->i_mode = S_IFSOCK | S_IRWXUGO;
- inode->i_uid = current_fsuid();
- inode->i_gid = current_fsgid();
+ inode_set_user(inode, current_fsuid(), current_fsgid());
inode->i_op = &sockfs_inode_ops;
this_cpu_add(sockets_in_use, 1);
--
1.8.2.2
^ permalink raw reply related
* [PATCH 1/2] fs: implement inode uid/gid setting function
From: Rui Xiang @ 2013-08-23 2:48 UTC (permalink / raw)
To: linux-fsdevel, viro
Cc: linux-s390, linux-ia64, Rui Xiang, linux-rdma, netdev, linux-usb,
linux-kernel, linux-mm, cgroups, v9fs-developer, linuxppc-dev
In-Reply-To: <1377226118-43756-1-git-send-email-rui.xiang@huawei.com>
Supply a interface inode_set_user to set uid/gid of inode
structs.
Signed-off-by: Rui Xiang <rui.xiang@huawei.com>
---
fs/inode.c | 7 +++++++
include/linux/fs.h | 1 +
2 files changed, 8 insertions(+)
diff --git a/fs/inode.c b/fs/inode.c
index e315c0a..3f90499 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -343,6 +343,13 @@ void inc_nlink(struct inode *inode)
}
EXPORT_SYMBOL(inc_nlink);
+void inode_set_user(struct inode *inode, kuid_t uid, kgid_t gid)
+{
+ inode->i_uid = uid;
+ inode->i_gid = gid;
+}
+EXPORT_SYMBOL(inode_set_user);
+
void address_space_init_once(struct address_space *mapping)
{
memset(mapping, 0, sizeof(*mapping));
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 729e81b..36ac51b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2619,6 +2619,7 @@ void __inode_sub_bytes(struct inode *inode, loff_t bytes);
void inode_sub_bytes(struct inode *inode, loff_t bytes);
loff_t inode_get_bytes(struct inode *inode);
void inode_set_bytes(struct inode *inode, loff_t bytes);
+void inode_set_user(struct inode *inode, kuid_t uid, kgid_t gid);
extern int vfs_readdir(struct file *, filldir_t, void *);
extern int iterate_dir(struct file *, struct dir_context *);
--
1.8.2.2
^ permalink raw reply related
* [PATCH 0/2] fs: supply inode uid/gid setting interface
From: Rui Xiang @ 2013-08-23 2:48 UTC (permalink / raw)
To: linux-fsdevel, viro
Cc: linux-s390, linux-ia64, Rui Xiang, linux-rdma, netdev, linux-usb,
linux-kernel, linux-mm, cgroups, v9fs-developer, linuxppc-dev
This patchset implements an accessor functions to set uid/gid
in inode struct. Just finish code clean up.
Rui Xiang (2):
fs: implement inode uid/gid setting function
fs: use inode_set_user to set uid/gid of inode
arch/ia64/kernel/perfmon.c | 3 +--
arch/powerpc/platforms/cell/spufs/inode.c | 3 +--
arch/s390/hypfs/inode.c | 3 +--
drivers/infiniband/hw/qib/qib_fs.c | 3 +--
drivers/usb/gadget/f_fs.c | 3 +--
drivers/usb/gadget/inode.c | 5 +++--
fs/9p/vfs_inode.c | 6 ++----
fs/adfs/inode.c | 3 +--
fs/affs/inode.c | 6 ++----
fs/afs/inode.c | 6 ++----
fs/anon_inodes.c | 3 +--
fs/autofs4/inode.c | 4 ++--
fs/befs/linuxvfs.c | 8 ++++----
fs/ceph/caps.c | 5 +++--
fs/ceph/inode.c | 8 ++++----
fs/cifs/inode.c | 6 ++----
fs/configfs/inode.c | 3 +--
fs/debugfs/inode.c | 3 +--
fs/devpts/inode.c | 7 +++----
fs/ext2/ialloc.c | 3 +--
fs/ext3/ialloc.c | 3 +--
fs/ext4/ialloc.c | 3 +--
fs/fat/inode.c | 6 ++----
fs/fuse/control.c | 3 +--
fs/fuse/inode.c | 4 ++--
fs/hfs/inode.c | 6 ++----
fs/hfsplus/inode.c | 3 +--
fs/hpfs/inode.c | 3 +--
fs/hpfs/namei.c | 12 ++++--------
fs/hugetlbfs/inode.c | 3 +--
fs/inode.c | 7 +++++++
fs/isofs/inode.c | 3 +--
fs/isofs/rock.c | 3 +--
fs/ncpfs/inode.c | 3 +--
fs/nfs/inode.c | 4 ++--
fs/ntfs/inode.c | 12 ++++--------
fs/ntfs/mft.c | 3 +--
fs/ntfs/super.c | 3 +--
fs/ocfs2/refcounttree.c | 3 +--
fs/omfs/inode.c | 3 +--
fs/pipe.c | 3 +--
fs/proc/base.c | 15 +++++----------
fs/proc/fd.c | 8 ++++----
fs/proc/inode.c | 3 +--
fs/proc/self.c | 3 +--
fs/stack.c | 3 +--
fs/sysfs/inode.c | 3 +--
fs/xfs/xfs_iops.c | 4 ++--
include/linux/fs.h | 1 +
ipc/mqueue.c | 3 +--
kernel/cgroup.c | 3 +--
mm/shmem.c | 3 +--
net/socket.c | 3 +--
53 files changed, 94 insertions(+), 142 deletions(-)
--
1.8.2.2
^ permalink raw reply
* RE: [PATCH 1/2] powerpc/85xx: add hardware automatically enter altivec idle state
From: Wang Dongsheng-B40534 @ 2013-08-23 2:52 UTC (permalink / raw)
To: Wood Scott-B07421; +Cc: linuxppc-dev@lists.ozlabs.org, Zhao Chenhui-B35336
In-Reply-To: <1377184761.5029.96.camel@snotra.buserror.net>
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cy4NCg0K
^ permalink raw reply
* Re: [PATCH 2/3 V3] mmc:sdhc: get voltage from sdhc host
From: Zhang Haijun @ 2013-08-23 2:01 UTC (permalink / raw)
To: Anton Vorontsov
Cc: linux-mmc, Haijun Zhang, scottwood, cjb, linuxppc-dev, X.Xie
In-Reply-To: <20130823014841.GD24803@teo>
[-- Attachment #1: Type: text/plain, Size: 487 bytes --]
On 08/23/2013 09:48 AM, Anton Vorontsov wrote:
> On Mon, Aug 12, 2013 at 09:39:06AM +0800, Haijun Zhang wrote:
>> We use host->ocr_mask to hold the voltage get from device-tree
>> node, In case host->ocr_mask was available, we use host->ocr_mask
>> as the final available voltage can be used by MMC/SD/SDIO card.
>>
>> Signed-off-by: Haijun Zhang <haijun.zhang@freescale.com>
>> ---
> Reviewed-by: Anton Vorontsov <anton@enomsg.org>
>
Thank you very much.
--
Thanks & Regards
Haijun
[-- Attachment #2: Type: text/html, Size: 1196 bytes --]
^ permalink raw reply
* [PATCH] iommu: WARN_ON when removing a device with no iommu_group associated
From: Wei Yang @ 2013-08-23 1:55 UTC (permalink / raw)
To: alex.williamson, linux-kernel, linuxppc-dev; +Cc: aik, paulus, benh, Wei Yang
When removing a device from the system, iommu_group driver will try to
disconnect it from its group. While in some cases, one device may not
associated with any iommu_group. For example, not enough DMA address space.
In the generic bus notification, it will check dev->iommu_group before calling
iommu_group_remove_device(). While in some cases, developers may call
iommu_group_remove_device() in a different code path and without check. For
those devices with dev->iommu_group set to NULL, kernel will crash.
This patch gives a warning and return when trying to remove a device from an
iommu_group with dev->iommu_group set to NULL. This helps to indicate some bad
behavior and also guard the kernel.
Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
---
drivers/iommu/iommu.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index fbe9ca7..43396f0 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -379,6 +379,9 @@ void iommu_group_remove_device(struct device *dev)
struct iommu_group *group = dev->iommu_group;
struct iommu_device *tmp_device, *device = NULL;
+ if (WARN_ON(!group))
+ return;
+
/* Pre-notify listeners that a device is being removed. */
blocking_notifier_call_chain(&group->notifier,
IOMMU_GROUP_NOTIFY_DEL_DEVICE, dev);
--
1.7.5.4
^ permalink raw reply related
* Re: [PATCH 2/3 V3] mmc:sdhc: get voltage from sdhc host
From: Anton Vorontsov @ 2013-08-23 1:48 UTC (permalink / raw)
To: Haijun Zhang; +Cc: linux-mmc, scottwood, cjb, linuxppc-dev, X.Xie
In-Reply-To: <1376271546-25085-4-git-send-email-Haijun.Zhang@freescale.com>
On Mon, Aug 12, 2013 at 09:39:06AM +0800, Haijun Zhang wrote:
> We use host->ocr_mask to hold the voltage get from device-tree
> node, In case host->ocr_mask was available, we use host->ocr_mask
> as the final available voltage can be used by MMC/SD/SDIO card.
>
> Signed-off-by: Haijun Zhang <haijun.zhang@freescale.com>
> ---
Reviewed-by: Anton Vorontsov <anton@enomsg.org>
^ permalink raw reply
* Re: [PATCH 3/3 V3] mmc:esdhc: add support to get voltage from device-tree
From: Anton Vorontsov @ 2013-08-23 1:46 UTC (permalink / raw)
To: Haijun Zhang; +Cc: linux-mmc, scottwood, cjb, linuxppc-dev, X.Xie
In-Reply-To: <1376271546-25085-2-git-send-email-Haijun.Zhang@freescale.com>
On Mon, Aug 12, 2013 at 09:39:04AM +0800, Haijun Zhang wrote:
> Add suppport to get voltage from device-tree node for esdhc host,
> if voltage-ranges was specified in device-tree node we can get
> ocr_mask instead of read from host capacity register. If not voltages
> still can be get from host capacity register.
>
> Signed-off-by: Haijun Zhang <haijun.zhang@freescale.com>
Acked-by: Anton Vorontsov <anton@enomsg.org>
^ permalink raw reply
* Re: [PATCH V3] mmc:of_spi: Update the code of getting voltage-ranges
From: Anton Vorontsov @ 2013-08-23 1:45 UTC (permalink / raw)
To: Haijun Zhang; +Cc: linux-mmc, scottwood, cjb, linuxppc-dev, X.Xie
In-Reply-To: <1376271546-25085-3-git-send-email-Haijun.Zhang@freescale.com>
On Mon, Aug 12, 2013 at 09:39:05AM +0800, Haijun Zhang wrote:
> Using function mmc_of_parse_voltage() to get voltage-ranges.
>
> Signed-off-by: Haijun Zhang <haijun.zhang@freescale.com>
> ---
Acked-by: Anton Vorontsov <anton@enomsg.org>
^ permalink raw reply
* Re: [PATCH 1/3 V5] mmc:core: parse voltage from device-tree
From: Anton Vorontsov @ 2013-08-23 1:43 UTC (permalink / raw)
To: Haijun Zhang; +Cc: linux-mmc, scottwood, cjb, linuxppc-dev, X.Xie
In-Reply-To: <1376459171-21016-1-git-send-email-Haijun.Zhang@freescale.com>
On Wed, Aug 14, 2013 at 01:46:11PM +0800, Haijun Zhang wrote:
> Add function to support get voltage from device-tree.
> If there are voltage-range specified in device-tree node, this function
> will parse it and return the available voltage mask.
>
> Signed-off-by: Haijun Zhang <haijun.zhang@freescale.com>
Acked-by: Anton Vorontsov <anton@enomsg.org>
Thanks a lot!
Anton
^ permalink raw reply
* Re: [PATCH 2/2] powerpc/iommu: check dev->iommu_group before remove a device from iommu_group
From: Wei Yang @ 2013-08-23 1:30 UTC (permalink / raw)
To: Alex Williamson
Cc: Alexey Kardashevskiy, paulus, benh, linuxppc-dev, linux-kernel
In-Reply-To: <1377188240.25163.23.camel@ul30vt.home>
On Thu, Aug 22, 2013 at 10:17:20AM -0600, Alex Williamson wrote:
>On Thu, 2013-08-22 at 23:41 +0800, Wei Yang wrote:
>> >>
>> >> Alex,
>> >>
>> >> Sorry for not including you in the very beginning, which may spend you more
>> >> efforts to track previous mails in this thread.
>> >>
>> >> Do you think it is reasonable to check the dev->iommu_group in
>> >> iommu_group_remove_device()? Or we can count on the bus notifier to check it?
>> >>
>> >> Welcome your suggestions~
>> >
>> >I don't really see the point of patch 1/2. iommu_group_remove_device()
>> >is specifically to remove a device from an iommu_group, so why would you
>> >call it on a device that's not part of an iommu_group. If you want to
>> >avoid testing dev->iommu_group, then implement the .remove_device
>> >callback rather than using the notifier. Thanks,
>> >
>>
>> You mean the .remove_device like intel_iommu_remove_device()?
>>
>> Hmm... this function didn't check the dev->iommu_group and just call
>> iommu_group_remove_device(). I see this guard is put in iommu_bus_notifier(),
>> which will check dev->iommu_group before invoke .remove_device.
>>
>> Let me explain the case to triger the problem a little.
>>
>> On some platform, like powernv, we implement another bus notifier when devices
>> are added or removed in the system. Like Alexey mentioned, he missed the check
>> for dev->iommu_group in the notifier before removing it from iommu_group. This
>> trigger the crash.
>>
>> So do you think it is reasonable to guard the kernel in
>> iommu_group_remove_device(), or we give the platform developers the
>> responsibility to check the dev->iommu_group before calling it?
>
>I don't see it as we need either patch 1/2 or patch 2/2. We absolutely
>need some form of patch 2/2. Patch 1/2 isn't necessarily bad, but it
>facilitates sloppy usage. The iommu driver shouldn't be calling
>iommu_group_remove_device() on arbitrary devices that may or may not be
>part of an iommu_group. Perhaps patch 1/2 should be:
>
>if (WARN_ON(!group))
> return;
>
Agree, this one sounds more reasonable. :-)
Since patch 2/2 is merged by Alexey, I will re-send patch 1/2 alone.
Thanks for your comments ~
>Thanks,
>
>Alex
>
>_______________________________________________
>Linuxppc-dev mailing list
>Linuxppc-dev@lists.ozlabs.org
>https://lists.ozlabs.org/listinfo/linuxppc-dev
--
Richard Yang
Help you, Help me
^ permalink raw reply
* RE: [RFC PATCH v2 04/11] pstore: Add compression support to pstore
From: Seiji Aguchi @ 2013-08-22 23:07 UTC (permalink / raw)
To: Aruna Balakrishnaiah, linuxppc-dev@ozlabs.org,
tony.luck@intel.com, linux-kernel@vger.kernel.org,
keescook@chromium.org
Cc: jkenisto@linux.vnet.ibm.com, cbouatmailru@gmail.com,
mahesh@linux.vnet.ibm.com, ccross@android.com
In-Reply-To: <20130816131805.3338.68767.stgit@aruna-ThinkPad-T420>
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^ permalink raw reply
* RE: [RFC PATCH v2 04/11] pstore: Add compression support to pstore
From: Seiji Aguchi @ 2013-08-22 23:47 UTC (permalink / raw)
To: Luck, Tony, Aruna Balakrishnaiah, linuxppc-dev@ozlabs.org,
linux-kernel@vger.kernel.org, keescook@chromium.org
Cc: jkenisto@linux.vnet.ibm.com, cbouatmailru@gmail.com,
mahesh@linux.vnet.ibm.com, ccross@android.com
In-Reply-To: <3908561D78D1C84285E8C5FCA982C28F31CC7AC0@ORSMSX106.amr.corp.intel.com>
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^ permalink raw reply
* RE: [RFC PATCH v2 06/11] pstore: Add decompression support to pstore
From: Seiji Aguchi @ 2013-08-22 23:04 UTC (permalink / raw)
To: Aruna Balakrishnaiah, linuxppc-dev@ozlabs.org,
tony.luck@intel.com, linux-kernel@vger.kernel.org,
keescook@chromium.org
Cc: jkenisto@linux.vnet.ibm.com, cbouatmailru@gmail.com,
mahesh@linux.vnet.ibm.com, ccross@android.com
In-Reply-To: <20130816131821.3338.27923.stgit@aruna-ThinkPad-T420>
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DQoNClNlaWppDQo=
^ permalink raw reply
* Re: Detecting LD/ST instruction
From: Michael Neuling @ 2013-08-22 23:31 UTC (permalink / raw)
To: Sukadev Bhattiprolu; +Cc: linuxppc-dev
In-Reply-To: <20130822225525.GA5214@us.ibm.com>
> I am working on implementing the 'perf mem' command for Power
> systems. This would for instance, let us know where in the memory
> hierarchy (L1, L2, Local RAM etc) the data for a load/store
> instruction was found (hit).
>
> On Power7, if the mcmcra[DCACHE_MISS] is clear _and_ the
> instruction is a load/store, then it implies a L1-hit.
>
> Unlike on Power8, the Power7 event vector has no indication
> if the instruction was load/store.
>
> In the context of a PMU interrupt, is there any way to determine
> if an instruction is a load/store ?
You could read the instruction from memory and work it out.
We do something similar to this in power_pmu_bhrb_to() where we read the
instruction and work out where the branch is going to.
If you do this, please use and/or extend the functions in
arch/powerpc/lib/code-patching.c
Mikey
^ permalink raw reply
* RE: [RFC PATCH v2 04/11] pstore: Add compression support to pstore
From: Luck, Tony @ 2013-08-22 23:17 UTC (permalink / raw)
To: Seiji Aguchi, Aruna Balakrishnaiah, linuxppc-dev@ozlabs.org,
linux-kernel@vger.kernel.org, keescook@chromium.org
Cc: jkenisto@linux.vnet.ibm.com, cbouatmailru@gmail.com,
mahesh@linux.vnet.ibm.com, ccross@android.com
In-Reply-To: <A5ED84D3BB3A384992CBB9C77DEDA4D443E8F0D7@USINDEM103.corp.hds.com>
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^ permalink raw reply
* Re: [GIT PULL v2] DT/core: cpu_ofnode updates for v3.12
From: Rafael J. Wysocki @ 2013-08-22 23:12 UTC (permalink / raw)
To: Sudeep KarkadaNagesha
Cc: Jonas Bonn, devicetree@vger.kernel.org, monstr@monstr.eu,
linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
rob.herring@calxeda.com, arm@kernel.org, Viresh Kumar,
linuxppc-dev@lists.ozlabs.org,
linux-arm-kernel@lists.infradead.org
In-Reply-To: <521618E4.4020007@arm.com>
On Thursday, August 22, 2013 02:57:56 PM Sudeep KarkadaNagesha wrote:
> Hi Rafael,
>
> Here is the v2 of the pull request for cpu of_node updates for v3.12
> It includes ACK for all the new changes since v1(mainly from Ben for
> PPC). Currently there's trivial conflict with today's linux-next in 3
> files. Let me know if you need me to rebase this on any particular
> branch if needed.
>
> Regards,
> Sudeep
>
> The following changes since commit b36f4be3de1b123d8601de062e7dbfc904f305fb:
>
> Linux 3.11-rc6 (2013-08-18 14:36:53 -0700)
>
> are available in the git repository at:
>
> git://linux-arm.org/linux-skn.git cpu_of_node
>
> for you to fetch changes up to 1037b2752345cc5666e90b711a913ab2ae6c5920:
>
> cpufreq: pmac32-cpufreq: remove device tree parsing for cpu nodes
> (2013-08-21 10:29:56 +0100)
>
> ----------------------------------------------------------------
> Sudeep KarkadaNagesha (19):
> microblaze: remove undefined of_get_cpu_node declaration
> openrisc: remove undefined of_get_cpu_node declaration
> powerpc: refactor of_get_cpu_node to support other architectures
> of: move of_get_cpu_node implementation to DT core library
> ARM: DT/kernel: define ARM specific arch_match_cpu_phys_id
> driver/core: cpu: initialize of_node in cpu's device struture
> of/device: add helper to get cpu device node from logical cpu index
> ARM: topology: remove hwid/MPIDR dependency from cpu_capacity
> ARM: mvebu: remove device tree parsing for cpu nodes
> drivers/bus: arm-cci: avoid parsing DT for cpu device nodes
> cpufreq: imx6q-cpufreq: remove device tree parsing for cpu nodes
> cpufreq: cpufreq-cpu0: remove device tree parsing for cpu nodes
> cpufreq: highbank-cpufreq: remove device tree parsing for cpu nodes
> cpufreq: spear-cpufreq: remove device tree parsing for cpu nodes
> cpufreq: kirkwood-cpufreq: remove device tree parsing for cpu nodes
> cpufreq: arm_big_little: remove device tree parsing for cpu nodes
> cpufreq: maple-cpufreq: remove device tree parsing for cpu nodes
> cpufreq: pmac64-cpufreq: remove device tree parsing for cpu nodes
> cpufreq: pmac32-cpufreq: remove device tree parsing for cpu nodes
>
> arch/arm/kernel/devtree.c | 5 ++
> arch/arm/kernel/topology.c | 61 +++++-----------
> arch/arm/mach-imx/mach-imx6q.c | 3 +-
> arch/arm/mach-mvebu/platsmp.c | 51 ++++++-------
> arch/microblaze/include/asm/prom.h | 3 -
> arch/openrisc/include/asm/prom.h | 3 -
> arch/powerpc/include/asm/prom.h | 3 -
> arch/powerpc/kernel/prom.c | 43 +-----------
> drivers/base/cpu.c | 2 +
> drivers/bus/arm-cci.c | 28 ++------
> drivers/cpufreq/arm_big_little_dt.c | 40 ++++-------
> drivers/cpufreq/cpufreq-cpu0.c | 23 +-----
> drivers/cpufreq/highbank-cpufreq.c | 18 ++---
> drivers/cpufreq/imx6q-cpufreq.c | 4 +-
> drivers/cpufreq/kirkwood-cpufreq.c | 8 ++-
> drivers/cpufreq/maple-cpufreq.c | 23 +-----
> drivers/cpufreq/pmac32-cpufreq.c | 5 +-
> drivers/cpufreq/pmac64-cpufreq.c | 47 +++---------
> drivers/cpufreq/spear-cpufreq.c | 4 +-
> drivers/of/base.c | 95 ++++++++++++++++++++++++
> include/linux/cpu.h | 1 +
> include/linux/of.h | 7 ++
> include/linux/of_device.h | 15 ++++
> 23 files changed, 226 insertions(+), 266 deletions(-)
Pulled, thanks!
^ permalink raw reply
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