diff options
| author |   Darrick J. Wong <darrick.wong@oracle.com> | 2019-07-01 08:25:35 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2019-07-01 08:25:35 -0700 |
| commit | f991492ed11055934f1b35615cb1b435325939bf (patch) | |
| tree | 97be4cf121aa028469a10e58a609bff5002eb6a5 /fs/ext4 | |
| parent | vfs: create a generic checking function for FS_IOC_FSSETXATTR (diff) | |
| download | linux-dev-f991492ed11055934f1b35615cb1b435325939bf.tar.xz linux-dev-f991492ed11055934f1b35615cb1b435325939bf.zip | |
vfs: teach vfs_ioc_fssetxattr_check to check project id info
Standardize the project id checks for FSSETXATTR.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/ioctl.c | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 1974cb755d09..566dfac28b3f 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -697,30 +697,6 @@ group_add_out: return err; } -static int ext4_ioctl_check_project(struct inode *inode, struct fsxattr *fa) -{ - /* - * Project Quota ID state is only allowed to change from within the init - * namespace. Enforce that restriction only if we are trying to change - * the quota ID state. Everything else is allowed in user namespaces. - */ - if (current_user_ns() == &init_user_ns) - return 0; - - if (__kprojid_val(EXT4_I(inode)->i_projid) != fa->fsx_projid) - return -EINVAL; - - if (ext4_test_inode_flag(inode, EXT4_INODE_PROJINHERIT)) { - if (!(fa->fsx_xflags & FS_XFLAG_PROJINHERIT)) - return -EINVAL; - } else { - if (fa->fsx_xflags & FS_XFLAG_PROJINHERIT) - return -EINVAL; - } - - return 0; -} - static void ext4_fill_fsxattr(struct inode *inode, struct fsxattr *fa) { struct ext4_inode_info *ei = EXT4_I(inode); @@ -1133,9 +1109,6 @@ resizefs_out: inode_lock(inode); ext4_fill_fsxattr(inode, &old_fa); - err = ext4_ioctl_check_project(inode, &fa); - if (err) - goto out; err = vfs_ioc_fssetxattr_check(inode, &old_fa, &fa); if (err) goto out; |