From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: agruen@kernel.org, bfields@fieldses.org,
akpm@linux-foundation.org, viro@zeniv.linux.org.uk,
dhowells@redhat.com
Cc: aneesh.kumar@linux.vnet.ibm.com, linux-fsdevel@vger.kernel.org,
linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH -V7 04/26] vfs: Add a comment to inode_permission()
Date: Tue, 18 Oct 2011 21:02:39 +0530 [thread overview]
Message-ID: <1318951981-5508-5-git-send-email-aneesh.kumar@linux.vnet.ibm.com> (raw)
In-Reply-To: <1318951981-5508-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
From: Andreas Gruenbacher <agruen@kernel.org>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruen@kernel.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
fs/namei.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index 276cd30..9061157 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -221,7 +221,7 @@ static int check_acl(struct inode *inode, int mask)
}
/*
- * This does basic POSIX ACL permission checking
+ * This does the basic permission checking
*/
static int acl_permission_check(struct inode *inode, int mask)
{
@@ -271,7 +271,7 @@ int generic_permission(struct inode *inode, int mask)
int ret;
/*
- * Do the basic POSIX ACL permission checks.
+ * Do the basic permission checks.
*/
ret = acl_permission_check(inode, mask);
if (ret != -EACCES)
@@ -335,6 +335,8 @@ static inline int do_inode_permission(struct inode *inode, int mask)
* We use "fsuid" for this, letting us set arbitrary permissions
* for filesystem access without changing the "normal" uids which
* are used for other things.
+ *
+ * When checking for MAY_APPEND, MAY_WRITE must also be set in @mask.
*/
int inode_permission(struct inode *inode, int mask)
{
--
1.7.5.4
next prev parent reply other threads:[~2011-10-18 15:32 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-18 15:32 [PATCH -V7 00/26] New ACL format for better NFSv4 acl interoperability Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 02/26] vfs: Add hex format for MAY_* flag values Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 03/26] vfs: Pass all mask flags down to iop->check_acl Aneesh Kumar K.V
2011-10-18 15:32 ` Aneesh Kumar K.V [this message]
2011-10-18 15:32 ` [PATCH -V7 05/26] vfs: Add generic IS_ACL() test for acl support Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 06/26] vfs: Add IS_RICHACL() test for richacl support Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 07/26] vfs: Optimize out IS_RICHACL() if CONFIG_FS_RICHACL is not defined Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 08/26] vfs: Add new file and directory create permission flags Aneesh Kumar K.V
2011-10-19 16:42 ` J. Bruce Fields
[not found] ` <20111019164216.GC30864-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2011-10-20 5:20 ` Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 09/26] vfs: Add delete child and delete self " Aneesh Kumar K.V
2011-10-19 22:09 ` J. Bruce Fields
[not found] ` <20111019220915.GA1874-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2011-10-20 7:35 ` Aneesh Kumar K.V
2011-10-20 8:11 ` J. Bruce Fields
2011-10-18 15:32 ` [PATCH -V7 12/26] vfs: Make acl_permission_check() work for richacls Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 13/26] richacl: In-memory representation and helper functions Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 14/26] richacl: Permission mapping functions Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 15/26] richacl: Compute maximum file masks from an acl Aneesh Kumar K.V
[not found] ` <1318951981-5508-1-git-send-email-aneesh.kumar-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2011-10-18 15:32 ` [PATCH -V7 01/26] vfs: Indicate that the permission functions take all the MAY_* flags Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 10/26] vfs: Make the inode passed to inode_change_ok non-const Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 11/26] vfs: Add permission flags for setting file attributes Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 16/26] richacl: Update the file masks in chmod() Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 21/26] richacl: xattr mapping functions Aneesh Kumar K.V
2011-10-19 22:20 ` J. Bruce Fields
2011-10-20 8:30 ` Aneesh Kumar K.V
2011-10-20 9:14 ` J. Bruce Fields
2011-10-20 9:19 ` Christoph Hellwig
[not found] ` <20111020091946.GA23773-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2011-10-20 10:25 ` J. Bruce Fields
[not found] ` <20111020102538.GG5444-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2011-10-20 23:46 ` Andreas Gruenbacher
2011-10-21 0:45 ` J. Bruce Fields
[not found] ` <1319154390.2270.52.camel-AB3ohll6rUCZ4toXJV50QQ@public.gmane.org>
2011-10-21 9:40 ` Aneesh Kumar K.V
2011-10-21 10:52 ` Andreas Gruenbacher
2011-10-21 13:12 ` Aneesh Kumar K.V
2011-10-21 23:58 ` Andreas Gruenbacher
2011-10-20 11:02 ` Aneesh Kumar K.V
[not found] ` <87aa8w53kj.fsf-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2011-10-20 17:49 ` J. Bruce Fields
2011-10-20 19:49 ` Andreas Dilger
2011-11-19 9:35 ` Eric W. Biederman
2011-11-19 9:28 ` Eric W. Biederman
2011-11-21 13:35 ` J. Bruce Fields
2011-10-18 15:32 ` [PATCH -V7 17/26] richacl: Permission check algorithm Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 18/26] richacl: Create-time inheritance Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 19/26] richacl: Check if an acl is equivalent to a file mode Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 20/26] richacl: Automatic Inheritance Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 22/26] vfs: Cache richacl in struct inode Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 23/26] vfs: Add richacl permission check Aneesh Kumar K.V
2011-10-18 15:32 ` [PATCH -V7 24/26] ext4: Use IS_POSIXACL() to check for POSIX ACL support Aneesh Kumar K.V
2011-10-18 15:33 ` [PATCH -V7 25/26] ext4: Implement rich acl for ext4 Aneesh Kumar K.V
2011-10-18 18:41 ` Andreas Dilger
2011-10-19 5:43 ` Aneesh Kumar K.V
2011-10-18 15:33 ` [PATCH -V7 26/26] ext4: Add Ext4 compat richacl feature flag Aneesh Kumar K.V
2011-10-18 16:17 ` [PATCH -V7 00/26] New ACL format for better NFSv4 acl interoperability Shea Levy
2011-10-19 5:54 ` Aneesh Kumar K.V
2011-10-19 22:21 ` J. Bruce Fields
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