diff options
| author |   Theodore Ts'o <tytso@mit.edu> | 2020-06-11 10:51:44 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2020-06-11 10:51:44 -0400 |
| commit | 68cd44920d2ccf32dea1502e71dc0175c9663af1 (patch) | |
| tree | 2ced523b89936fe9bca0c37e77c31566ea33f917 /include/uapi | |
| parent | ext4: avoid unnecessary transaction starts during writeback (diff) | |
| parent | Documentation/dax: Update DAX enablement for ext4 (diff) | |
| download | wireguard-linux-68cd44920d2ccf32dea1502e71dc0175c9663af1.tar.xz wireguard-linux-68cd44920d2ccf32dea1502e71dc0175c9663af1.zip | |
Enable ext4 support for per-file/directory dax operations
This adds the same per-file/per-directory DAX support for ext4 as was
done for xfs, now that we finally have consensus over what the
interface should be.
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/fs.h | 1 | ||||
| -rw-r--r-- | include/uapi/linux/stat.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h index 379a612f8f1d..f44eb0a04afd 100644 --- a/include/uapi/linux/fs.h +++ b/include/uapi/linux/fs.h @@ -262,6 +262,7 @@ struct fsxattr { #define FS_EA_INODE_FL 0x00200000 /* Inode used for large EA */ #define FS_EOFBLOCKS_FL 0x00400000 /* Reserved for ext4 */ #define FS_NOCOW_FL 0x00800000 /* Do not cow file */ +#define FS_DAX_FL 0x02000000 /* Inode is DAX */ #define FS_INLINE_DATA_FL 0x10000000 /* Reserved for ext4 */ #define FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */ #define FS_CASEFOLD_FL 0x40000000 /* Folder is case insensitive */ diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h index ad80a5c885d5..e5f9d5517f6b 100644 --- a/include/uapi/linux/stat.h +++ b/include/uapi/linux/stat.h @@ -169,6 +169,7 @@ struct statx { #define STATX_ATTR_ENCRYPTED 0x00000800 /* [I] File requires key to decrypt in fs */ #define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */ #define STATX_ATTR_VERITY 0x00100000 /* [I] Verity protected file */ +#define STATX_ATTR_DAX 0x00002000 /* [I] File is DAX */ #endif /* _UAPI_LINUX_STAT_H */ |