diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2018-07-20 19:28:39 +0300 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-07-23 19:08:01 +0300 |
| commit | 53235f22151ea7229e1251e46e68098bcf74922d (patch) | |
| tree | 823de103256200ddee69d53071456580434e40cf /fs/xfs/libxfs | |
| parent | 2e9e6481e2a78de3a85083beccfbf6eda2689922 (diff) | |
| download | linux-53235f22151ea7229e1251e46e68098bcf74922d.tar.xz | |
xfs: refactor unmount record write
Refactor the writing of the unmount record into a separate helper. No
functionality changes.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/libxfs')
| -rw-r--r-- | fs/xfs/libxfs/xfs_log_format.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index 79bb79853c9f..e5f97c69b320 100644 --- a/fs/xfs/libxfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -77,6 +77,19 @@ static inline uint xlog_get_cycle(char *ptr) #define XLOG_UNMOUNT_TYPE 0x556e /* Un for Unmount */ +/* + * Log item for unmount records. + * + * The unmount record used to have a string "Unmount filesystem--" in the + * data section where the "Un" was really a magic number (XLOG_UNMOUNT_TYPE). + * We just write the magic number now; see xfs_log_unmount_write. + */ +struct xfs_unmount_log_format { + uint16_t magic; /* XLOG_UNMOUNT_TYPE */ + uint16_t pad1; + uint32_t pad2; /* may as well make it 64 bits */ +}; + /* Region types for iovec's i_type */ #define XLOG_REG_TYPE_BFORMAT 1 #define XLOG_REG_TYPE_BCHUNK 2 |