Hi, Ping :-) Best Regards, Xiao Yang On 2020/8/29 15:27, Andreas Dilger wrote:
On Aug 28, 2020, at 2:43 AM, Xiao Yang<yangx.jy@xxxxxxxxxxxxxx> wrote:inline_data is mutually exclusive to DAX so enabling both of them triggers the following issue: ------------------------------------------ # mkfs.ext4 -F -O inline_data /dev/pmem1 ... # mount /dev/pmem1 /mnt # echo 'test'>/mnt/file # lsattr -l /mnt/file /mnt/file Inline_Data # xfs_io -c "chattr +x" /mnt/file # xfs_io -c "lsattr -v" /mnt/file [dax] /mnt/file # umount /mnt # mount /dev/pmem1 /mnt # cat /mnt/file cat: /mnt/file: Numerical result out of range ------------------------------------------ Fixes: b383a73f2b83 ("fs/ext4: Introduce DAX inode flag") Signed-off-by: Xiao Yang<yangx.jy@xxxxxxxxxxxxxx> Reviewed-by: Jan Kara<jack@xxxxxxx>Reviewed-by: Andreas Dilger<adilger@xxxxxxxxx>--- fs/ext4/ext4.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 523e00d7b392..69187b6205b2 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -492,7 +492,7 @@ struct flex_groups { /* Flags which are mutually exclusive to DAX */ #define EXT4_DAX_MUT_EXCL (EXT4_VERITY_FL | EXT4_ENCRYPT_FL |\ - EXT4_JOURNAL_DATA_FL) + EXT4_JOURNAL_DATA_FL | EXT4_INLINE_DATA_FL) /* Mask out flags that are inappropriate for the given type of inode. */ static inline __u32 ext4_mask_flags(umode_t mode, __u32 flags) -- 2.25.1Cheers, Andreas
