* [PATCH] ext2: support statx syscall
@ 2019-02-18 1:07 yangerkun
2019-02-18 14:16 ` Jan Kara
0 siblings, 1 reply; 2+ messages in thread
From: yangerkun @ 2019-02-18 1:07 UTC (permalink / raw)
To: jack; +Cc: yi.zhang, houtao1, miaoxie, yangerkun, linux-ext4
Since statx, every filesystem should fill the attributes/attributes_mask
in routine getattr. But the generic_fillattr has not fill that, so add
ext2_getattr to do this. This can fix generic/424 while testing ext2.
Reviewed-by: zhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: yangerkun <yangerkun@huawei.com>
---
fs/ext2/ext2.h | 1 +
fs/ext2/file.c | 1 +
fs/ext2/inode.c | 26 ++++++++++++++++++++++++++
fs/ext2/namei.c | 2 ++
fs/ext2/symlink.c | 2 ++
5 files changed, 32 insertions(+)
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index e770cd1..ae0cd9e 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -774,6 +774,7 @@ extern int ext2_write_inode (struct inode *, struct writeback_control *);
extern void ext2_evict_inode(struct inode *);
extern int ext2_get_block(struct inode *, sector_t, struct buffer_head *, int);
extern int ext2_setattr (struct dentry *, struct iattr *);
+extern int ext2_getattr (const struct path *, struct kstat *, u32, unsigned int);
extern void ext2_set_inode_flags(struct inode *inode);
extern int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
u64 start, u64 len);
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index 28b2609..39c4772 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -199,6 +199,7 @@ const struct inode_operations ext2_file_inode_operations = {
#ifdef CONFIG_EXT2_FS_XATTR
.listxattr = ext2_listxattr,
#endif
+ .getattr = ext2_getattr,
.setattr = ext2_setattr,
.get_acl = ext2_get_acl,
.set_acl = ext2_set_acl,
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index e4bb938..8e6f3ca 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1635,6 +1635,32 @@ int ext2_write_inode(struct inode *inode, struct writeback_control *wbc)
return __ext2_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
}
+int ext2_getattr(const struct path *path, struct kstat *stat,
+ u32 request_mask, unsigned int query_falgs)
+{
+ struct inode *inode = d_inode(path->dentry);
+ struct ext2_inode_info *ei = EXT2_I(inode);
+ unsigned int flags;
+
+ flags = ei->i_flags & EXT2_FL_USER_VISIBLE;
+ if (flags & EXT2_APPEND_FL)
+ stat->attributes |= STATX_ATTR_APPEND;
+ if (flags & EXT2_COMPR_FL)
+ stat->attributes |= STATX_ATTR_COMPRESSED;
+ if (flags & EXT2_IMMUTABLE_FL)
+ stat->attributes |= STATX_ATTR_IMMUTABLE;
+ if (flags & EXT2_NODUMP_FL)
+ stat->attributes |= STATX_ATTR_NODUMP;
+ stat->attributes_mask |= (STATX_ATTR_APPEND |
+ STATX_ATTR_COMPRESSED |
+ STATX_ATTR_ENCRYPTED |
+ STATX_ATTR_IMMUTABLE |
+ STATX_ATTR_NODUMP);
+
+ generic_fillattr(inode, stat);
+ return 0;
+}
+
int ext2_setattr(struct dentry *dentry, struct iattr *iattr)
{
struct inode *inode = d_inode(dentry);
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index 0c26dcc..ccfbbf5 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -416,6 +416,7 @@ const struct inode_operations ext2_dir_inode_operations = {
#ifdef CONFIG_EXT2_FS_XATTR
.listxattr = ext2_listxattr,
#endif
+ .getattr = ext2_getattr,
.setattr = ext2_setattr,
.get_acl = ext2_get_acl,
.set_acl = ext2_set_acl,
@@ -426,6 +427,7 @@ const struct inode_operations ext2_special_inode_operations = {
#ifdef CONFIG_EXT2_FS_XATTR
.listxattr = ext2_listxattr,
#endif
+ .getattr = ext2_getattr,
.setattr = ext2_setattr,
.get_acl = ext2_get_acl,
.set_acl = ext2_set_acl,
diff --git a/fs/ext2/symlink.c b/fs/ext2/symlink.c
index d5589dd..00cdb86 100644
--- a/fs/ext2/symlink.c
+++ b/fs/ext2/symlink.c
@@ -23,6 +23,7 @@
const struct inode_operations ext2_symlink_inode_operations = {
.get_link = page_get_link,
+ .getattr = ext2_getattr,
.setattr = ext2_setattr,
#ifdef CONFIG_EXT2_FS_XATTR
.listxattr = ext2_listxattr,
@@ -31,6 +32,7 @@ const struct inode_operations ext2_symlink_inode_operations = {
const struct inode_operations ext2_fast_symlink_inode_operations = {
.get_link = simple_get_link,
+ .getattr = ext2_getattr,
.setattr = ext2_setattr,
#ifdef CONFIG_EXT2_FS_XATTR
.listxattr = ext2_listxattr,
--
2.9.5
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ext2: support statx syscall
2019-02-18 1:07 [PATCH] ext2: support statx syscall yangerkun
@ 2019-02-18 14:16 ` Jan Kara
0 siblings, 0 replies; 2+ messages in thread
From: Jan Kara @ 2019-02-18 14:16 UTC (permalink / raw)
To: yangerkun; +Cc: jack, yi.zhang, houtao1, miaoxie, linux-ext4
On Mon 18-02-19 09:07:02, yangerkun wrote:
> Since statx, every filesystem should fill the attributes/attributes_mask
> in routine getattr. But the generic_fillattr has not fill that, so add
> ext2_getattr to do this. This can fix generic/424 while testing ext2.
>
> Reviewed-by: zhangyi (F) <yi.zhang@huawei.com>
> Signed-off-by: yangerkun <yangerkun@huawei.com>
Thanks for the patch. I have added it to my tree.
Honza
> ---
> fs/ext2/ext2.h | 1 +
> fs/ext2/file.c | 1 +
> fs/ext2/inode.c | 26 ++++++++++++++++++++++++++
> fs/ext2/namei.c | 2 ++
> fs/ext2/symlink.c | 2 ++
> 5 files changed, 32 insertions(+)
>
> diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
> index e770cd1..ae0cd9e 100644
> --- a/fs/ext2/ext2.h
> +++ b/fs/ext2/ext2.h
> @@ -774,6 +774,7 @@ extern int ext2_write_inode (struct inode *, struct writeback_control *);
> extern void ext2_evict_inode(struct inode *);
> extern int ext2_get_block(struct inode *, sector_t, struct buffer_head *, int);
> extern int ext2_setattr (struct dentry *, struct iattr *);
> +extern int ext2_getattr (const struct path *, struct kstat *, u32, unsigned int);
> extern void ext2_set_inode_flags(struct inode *inode);
> extern int ext2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
> u64 start, u64 len);
> diff --git a/fs/ext2/file.c b/fs/ext2/file.c
> index 28b2609..39c4772 100644
> --- a/fs/ext2/file.c
> +++ b/fs/ext2/file.c
> @@ -199,6 +199,7 @@ const struct inode_operations ext2_file_inode_operations = {
> #ifdef CONFIG_EXT2_FS_XATTR
> .listxattr = ext2_listxattr,
> #endif
> + .getattr = ext2_getattr,
> .setattr = ext2_setattr,
> .get_acl = ext2_get_acl,
> .set_acl = ext2_set_acl,
> diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
> index e4bb938..8e6f3ca 100644
> --- a/fs/ext2/inode.c
> +++ b/fs/ext2/inode.c
> @@ -1635,6 +1635,32 @@ int ext2_write_inode(struct inode *inode, struct writeback_control *wbc)
> return __ext2_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
> }
>
> +int ext2_getattr(const struct path *path, struct kstat *stat,
> + u32 request_mask, unsigned int query_falgs)
> +{
> + struct inode *inode = d_inode(path->dentry);
> + struct ext2_inode_info *ei = EXT2_I(inode);
> + unsigned int flags;
> +
> + flags = ei->i_flags & EXT2_FL_USER_VISIBLE;
> + if (flags & EXT2_APPEND_FL)
> + stat->attributes |= STATX_ATTR_APPEND;
> + if (flags & EXT2_COMPR_FL)
> + stat->attributes |= STATX_ATTR_COMPRESSED;
> + if (flags & EXT2_IMMUTABLE_FL)
> + stat->attributes |= STATX_ATTR_IMMUTABLE;
> + if (flags & EXT2_NODUMP_FL)
> + stat->attributes |= STATX_ATTR_NODUMP;
> + stat->attributes_mask |= (STATX_ATTR_APPEND |
> + STATX_ATTR_COMPRESSED |
> + STATX_ATTR_ENCRYPTED |
> + STATX_ATTR_IMMUTABLE |
> + STATX_ATTR_NODUMP);
> +
> + generic_fillattr(inode, stat);
> + return 0;
> +}
> +
> int ext2_setattr(struct dentry *dentry, struct iattr *iattr)
> {
> struct inode *inode = d_inode(dentry);
> diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
> index 0c26dcc..ccfbbf5 100644
> --- a/fs/ext2/namei.c
> +++ b/fs/ext2/namei.c
> @@ -416,6 +416,7 @@ const struct inode_operations ext2_dir_inode_operations = {
> #ifdef CONFIG_EXT2_FS_XATTR
> .listxattr = ext2_listxattr,
> #endif
> + .getattr = ext2_getattr,
> .setattr = ext2_setattr,
> .get_acl = ext2_get_acl,
> .set_acl = ext2_set_acl,
> @@ -426,6 +427,7 @@ const struct inode_operations ext2_special_inode_operations = {
> #ifdef CONFIG_EXT2_FS_XATTR
> .listxattr = ext2_listxattr,
> #endif
> + .getattr = ext2_getattr,
> .setattr = ext2_setattr,
> .get_acl = ext2_get_acl,
> .set_acl = ext2_set_acl,
> diff --git a/fs/ext2/symlink.c b/fs/ext2/symlink.c
> index d5589dd..00cdb86 100644
> --- a/fs/ext2/symlink.c
> +++ b/fs/ext2/symlink.c
> @@ -23,6 +23,7 @@
>
> const struct inode_operations ext2_symlink_inode_operations = {
> .get_link = page_get_link,
> + .getattr = ext2_getattr,
> .setattr = ext2_setattr,
> #ifdef CONFIG_EXT2_FS_XATTR
> .listxattr = ext2_listxattr,
> @@ -31,6 +32,7 @@ const struct inode_operations ext2_symlink_inode_operations = {
>
> const struct inode_operations ext2_fast_symlink_inode_operations = {
> .get_link = simple_get_link,
> + .getattr = ext2_getattr,
> .setattr = ext2_setattr,
> #ifdef CONFIG_EXT2_FS_XATTR
> .listxattr = ext2_listxattr,
> --
> 2.9.5
>
>
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
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