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| author | Theodore Ts'o <tytso@mit.edu> | 2017-02-05 19:47:14 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2017-02-05 19:47:14 -0500 |
| commit | 783d948544993f55bdacc78b127532e8b6e2fc9f (patch) | |
| tree | 9aa172542294f1d75dc033d10f8756c5832ee1e8 /fs/ext4/ext4.h | |
| parent | 0db1ff222d40f1601c961f0edb86d10426992595 (diff) | |
| download | blackbird-op-linux-783d948544993f55bdacc78b127532e8b6e2fc9f.tar.gz blackbird-op-linux-783d948544993f55bdacc78b127532e8b6e2fc9f.zip | |
ext4: add EXT4_IOC_GOINGDOWN ioctl
This ioctl is modeled after the xfs's XFS_IOC_GOINGDOWN ioctl. (In
fact, it uses the same code points.)
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 35d93ab7f3fb..55b7a77a0444 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -679,6 +679,16 @@ struct fsxattr { #define EXT4_IOC_FSGETXATTR FS_IOC_FSGETXATTR #define EXT4_IOC_FSSETXATTR FS_IOC_FSSETXATTR +#define EXT4_IOC_GOINGDOWN _IOR ('X', 125, __u32) + +/* + * Flags for going down operation + */ +#define EXT4_GOING_FLAGS_DEFAULT 0x0 /* going down */ +#define EXT4_GOING_FLAGS_LOGFLUSH 0x1 /* flush log but not data */ +#define EXT4_GOING_FLAGS_NOLOGFLUSH 0x2 /* don't flush log nor data */ + + #if defined(__KERNEL__) && defined(CONFIG_COMPAT) /* * ioctl commands in 32 bit emulation |
