diff options
| author | Christian Brauner <christian.brauner@ubuntu.com> | 2021-03-20 13:26:24 +0100 |
|---|---|---|
| committer | Christian Brauner <christian.brauner@ubuntu.com> | 2021-03-23 11:15:26 +0100 |
| commit | db998553cf11dd697485ac6142adbb35d21fff10 (patch) | |
| tree | a5805d22264c998db8207ac4f5e58069841b832b /fs/inode.c | |
| parent | fs: introduce fsuidgid_has_mapping() helper (diff) | |
| download | linux-db998553cf11dd697485ac6142adbb35d21fff10.tar.xz linux-db998553cf11dd697485ac6142adbb35d21fff10.zip | |
fs: introduce two inode i_{u,g}id initialization helpers
Give filesystem two little helpers that do the right thing when
initializing the i_uid and i_gid fields on idmapped and non-idmapped
mounts. Filesystems shouldn't have to be concerned with too many
details.
Link: https://lore.kernel.org/r/20210320122623.599086-5-christian.brauner@ubuntu.com
Inspired-by: Vivek Goyal <vgoyal@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Diffstat (limited to 'fs/inode.c')
| -rw-r--r-- | fs/inode.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/inode.c b/fs/inode.c index 81a6a59b7dd3..21c5a620ca89 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -2148,7 +2148,7 @@ EXPORT_SYMBOL(init_special_inode); void inode_init_owner(struct user_namespace *mnt_userns, struct inode *inode, const struct inode *dir, umode_t mode) { - inode->i_uid = mapped_fsuid(mnt_userns); + inode_fsuid_set(inode, mnt_userns); if (dir && dir->i_mode & S_ISGID) { inode->i_gid = dir->i_gid; @@ -2160,7 +2160,7 @@ void inode_init_owner(struct user_namespace *mnt_userns, struct inode *inode, !capable_wrt_inode_uidgid(mnt_userns, dir, CAP_FSETID)) mode &= ~S_ISGID; } else - inode->i_gid = mapped_fsgid(mnt_userns); + inode_fsgid_set(inode, mnt_userns); inode->i_mode = mode; } EXPORT_SYMBOL(inode_init_owner); |