On Thu, Jun 06, 2019 at 01:32:24PM +0900, Wang Shilong wrote:
> From: Wang Shilong <[email protected]>
>
> 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.
>
> Cc: Andreas Dilger <[email protected]>
> Signed-off-by: Wang Shilong <[email protected]>
> ---
> fs/ext4/ext4.h | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> 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)
> --
> 2.21.0
Won't this break 'chattr' on files that already have this flag set?
FS_IOC_GETFLAGS will return this flag, so 'chattr' will pass it back to
FS_IOC_SETFLAGS which will return EOPNOTSUPP due to this:
if (ext4_mask_flags(inode->i_mode, flags) != flags)
return -EOPNOTSUPP;
- Eric
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