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| author | Wang Shilong <wshilong@ddn.com> | 2019-06-10 07:13:32 +0300 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2019-06-10 07:13:32 +0300 |
| commit | 7ddf79a103958ff7e529a3bc0c5b3d1e9cbc22c7 (patch) | |
| tree | ee1c8feceb4f4a0126f56f6e401398178e2678e7 | |
| parent | 02b016ca7f99229ae6227e7b2fc950c4e140d74a (diff) | |
| download | linux-7ddf79a103958ff7e529a3bc0c5b3d1e9cbc22c7.tar.xz | |
ext4: only set project inherit bit for directory
It doesn't make any sense to have project inherit bits
for regular files, even though this won't cause any
problem, but it is better fix this.
Signed-off-by: Wang Shilong <wshilong@ddn.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
| -rw-r--r-- | fs/ext4/ext4.h | 3 | ||||
| -rw-r--r-- | fs/ext4/ioctl.c | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 1cb67859e051..ceb74093e138 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -421,7 +421,8 @@ struct flex_groups { EXT4_PROJINHERIT_FL | EXT4_CASEFOLD_FL) /* Flags that are appropriate for regular files (all but dir-specific ones). */ -#define EXT4_REG_FLMASK (~(EXT4_DIRSYNC_FL | EXT4_TOPDIR_FL | EXT4_CASEFOLD_FL)) +#define EXT4_REG_FLMASK (~(EXT4_DIRSYNC_FL | EXT4_TOPDIR_FL | EXT4_CASEFOLD_FL |\ + EXT4_PROJINHERIT_FL)) /* Flags that are appropriate for non-directories/regular files. */ #define EXT4_OTHER_FLMASK (EXT4_NODUMP_FL | EXT4_NOATIME_FL) diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 7af835ac8d23..74648d42c69b 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -779,6 +779,8 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) return ext4_ioc_getfsmap(sb, (void __user *)arg); case EXT4_IOC_GETFLAGS: flags = ei->i_flags & EXT4_FL_USER_VISIBLE; + if (S_ISREG(inode->i_mode)) + flags &= ~EXT4_PROJINHERIT_FL; return put_user(flags, (int __user *) arg); case EXT4_IOC_SETFLAGS: { int err; |