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| author | Tejun Heo <tj@kernel.org> | 2010-07-20 22:09:02 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2010-07-23 13:14:25 +0200 |
| commit | 6ecd7c2dd9f5dd4f6e8f65c8027159f9c73b0e4c (patch) | |
| tree | ba12b0b9ba00e21ff73eee82714be448c5a7c6e9 /fs/gfs2/recovery.h | |
| parent | 991ea75cb1df7188d209274b3d51c105b4f18ffe (diff) | |
| download | op-kernel-dev-6ecd7c2dd9f5dd4f6e8f65c8027159f9c73b0e4c.zip op-kernel-dev-6ecd7c2dd9f5dd4f6e8f65c8027159f9c73b0e4c.tar.gz | |
gfs2: use workqueue instead of slow-work
Workqueue can now handle high concurrency. Convert gfs to use
workqueue instead of slow-work.
* Steven pointed out that recovery path might be run from allocation
path and thus requires forward progress guarantee without memory
allocation. Create and use gfs_recovery_wq with rescuer. Please
note that forward progress wasn't guaranteed with slow-work.
* Updated to use non-reentrant workqueue.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/recovery.h')
| -rw-r--r-- | fs/gfs2/recovery.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/gfs2/recovery.h b/fs/gfs2/recovery.h index 1616ac2..2226136 100644 --- a/fs/gfs2/recovery.h +++ b/fs/gfs2/recovery.h @@ -12,6 +12,8 @@ #include "incore.h" +extern struct workqueue_struct *gfs_recovery_wq; + static inline void gfs2_replay_incr_blk(struct gfs2_sbd *sdp, unsigned int *blk) { if (++*blk == sdp->sd_jdesc->jd_blocks) @@ -27,8 +29,8 @@ extern void gfs2_revoke_clean(struct gfs2_sbd *sdp); extern int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head); -extern int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd); -extern struct slow_work_ops gfs2_recover_ops; +extern int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd, bool wait); +extern void gfs2_recover_func(struct work_struct *work); #endif /* __RECOVERY_DOT_H__ */ |
