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Merge branch 'rebased-statx' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull vfs 'statx()' update from Al Viro.

This adds the new extended stat() interface that internally subsumes our
previous stat interfaces, and allows user mode to specify in more detail
what kind of information it wants.

It also allows for some explicit synchronization information to be
passed to the filesystem, which can be relevant for network filesystems:
is the cached value ok, or do you need open/close consistency, or what?

From David Howells.

Andreas Dilger points out that the first version of the extended statx
interface was posted June 29, 2010:

    https://www.spinics.net/lists/linux-fsdevel/msg33831.html

* 'rebased-statx' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  statx: Add a system call to make enhanced file info available
This commit is contained in:
Linus Torvalds
2017-03-03 11:38:56 -08:00
parent e0d072250a a528d35e8b
commit 590dce2d49
72 changed files with 822 additions and 214 deletions
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10
fs/9p/vfs_inode.c
View File

@@ -1047,16 +1047,18 @@ done:
/**
* v9fs_vfs_getattr - retrieve file metadata
* @mnt: mount information
* @dentry: file to get attributes on
* @path: Object to query
* @stat: metadata structure to populate
* @request_mask: Mask of STATX_xxx flags indicating the caller's interests
* @flags: AT_STATX_xxx setting
*
*/
static int
v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
struct kstat *stat)
v9fs_vfs_getattr(const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags)
{
struct dentry *dentry = path->dentry;
struct v9fs_session_info *v9ses;
struct p9_fid *fid;
struct p9_wstat *st;

5
fs/9p/vfs_inode_dotl.c
View File

@@ -468,9 +468,10 @@ error:
}
static int
v9fs_vfs_getattr_dotl(struct vfsmount *mnt, struct dentry *dentry,
struct kstat *stat)
v9fs_vfs_getattr_dotl(const struct path *path, struct kstat *stat,
u32 request_mask, unsigned int flags)
{
struct dentry *dentry = path->dentry;
struct v9fs_session_info *v9ses;
struct p9_fid *fid;
struct p9_stat_dotl *st;