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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2020-09-26 03:39:51 +0300 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2020-10-07 18:40:29 +0300 |
| commit | ed1575daf71e4e21d8ae735b6e687c95454aaa17 (patch) | |
| tree | 3a9afff06426ae475cbb95b93fd4bff0fe67d98b /fs/xfs/xfs_log.h | |
| parent | 4e919af7827a6adfc28e82cd6c4ffcfcc3dd6118 (diff) | |
| download | linux-ed1575daf71e4e21d8ae735b6e687c95454aaa17.tar.xz | |
xfs: expose the log push threshold
Separate the computation of the log push threshold and the push logic in
xlog_grant_push_ail. This enables higher level code to determine (for
example) that it is holding on to a logged intent item and the log is so
busy that it is more than 75% full. In that case, it would be desirable
to move the log item towards the head to release the tail, which we will
cover in the next patch.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_log.h')
| -rw-r--r-- | fs/xfs/xfs_log.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h index 1412d6993f1e..58c3fcbec94a 100644 --- a/fs/xfs/xfs_log.h +++ b/fs/xfs/xfs_log.h @@ -141,4 +141,6 @@ void xfs_log_quiesce(struct xfs_mount *mp); bool xfs_log_check_lsn(struct xfs_mount *, xfs_lsn_t); bool xfs_log_in_recovery(struct xfs_mount *); +xfs_lsn_t xlog_grant_push_threshold(struct xlog *log, int need_bytes); + #endif /* __XFS_LOG_H__ */ |