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authorChristian Brauner <brauner@kernel.org>2023-01-13 14:49:15 +0300
committerChristian Brauner (Microsoft) <brauner@kernel.org>2023-01-19 11:24:26 +0300
commitc54bd91e9eaba43f09aadc25b52ea869ff3b5587 (patch)
tree08e662315661f5bde154c28e5c06701f37172753 /fs/ocfs2
parent7a77db95511c39be4b2db2ceca152ef589adc2dc (diff)
downloadlinux-c54bd91e9eaba43f09aadc25b52ea869ff3b5587.tar.xz
fs: port ->mkdir() to pass mnt_idmap
Convert to struct mnt_idmap. Last cycle we merged the necessary infrastructure in 256c8aed2b42 ("fs: introduce dedicated idmap type for mounts"). This is just the conversion to struct mnt_idmap. Currently we still pass around the plain namespace that was attached to a mount. This is in general pretty convenient but it makes it easy to conflate namespaces that are relevant on the filesystem with namespaces that are relevent on the mount level. Especially for non-vfs developers without detailed knowledge in this area this can be a potential source for bugs. Once the conversion to struct mnt_idmap is done all helpers down to the really low-level helpers will take a struct mnt_idmap argument instead of two namespace arguments. This way it becomes impossible to conflate the two eliminating the possibility of any bugs. All of the vfs and all filesystems only operate on struct mnt_idmap. Acked-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/dlmfs/dlmfs.c2
-rw-r--r--fs/ocfs2/namei.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index 812ff62e6560..80146869eac9 100644
--- a/fs/ocfs2/dlmfs/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -402,7 +402,7 @@ static struct inode *dlmfs_get_inode(struct inode *parent,
* File creation. Allocate an inode, and we're done..
*/
/* SMP-safe */
-static int dlmfs_mkdir(struct user_namespace * mnt_userns,
+static int dlmfs_mkdir(struct mnt_idmap * idmap,
struct inode * dir,
struct dentry * dentry,
umode_t mode)
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index dedb37a88345..e1db6da2f70b 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -642,7 +642,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
fe_blkno, suballoc_loc, suballoc_bit);
}
-static int ocfs2_mkdir(struct user_namespace *mnt_userns,
+static int ocfs2_mkdir(struct mnt_idmap *idmap,
struct inode *dir,
struct dentry *dentry,
umode_t mode)