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authorChristian Brauner <brauner@kernel.org>2023-01-13 12:49:21 +0100
committerChristian Brauner (Microsoft) <brauner@kernel.org>2023-01-19 09:24:27 +0100
commit8782a9aea3ab4d697ad67d1f8ebca38a4e1c24ab (patch)
tree463017f753777d4b79f72166dc586e60cfbaff03 /fs/hfsplus
parent13e83a4923bea7c4f2f6714030cb7e56d20ef7e5 (diff)
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fs: port ->fileattr_set() 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/hfsplus')
-rw-r--r--fs/hfsplus/hfsplus_fs.h2
-rw-r--r--fs/hfsplus/inode.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
index d5f3ce0f8dad..7ededcb720c1 100644
--- a/fs/hfsplus/hfsplus_fs.h
+++ b/fs/hfsplus/hfsplus_fs.h
@@ -487,7 +487,7 @@ int hfsplus_getattr(struct mnt_idmap *idmap, const struct path *path,
int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
int datasync);
int hfsplus_fileattr_get(struct dentry *dentry, struct fileattr *fa);
-int hfsplus_fileattr_set(struct user_namespace *mnt_userns,
+int hfsplus_fileattr_set(struct mnt_idmap *idmap,
struct dentry *dentry, struct fileattr *fa);
/* ioctl.c */
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index ff98c1250d7c..c9ce69728a53 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -655,7 +655,7 @@ int hfsplus_fileattr_get(struct dentry *dentry, struct fileattr *fa)
return 0;
}
-int hfsplus_fileattr_set(struct user_namespace *mnt_userns,
+int hfsplus_fileattr_set(struct mnt_idmap *idmap,
struct dentry *dentry, struct fileattr *fa)
{
struct inode *inode = d_inode(dentry);