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| author |   Gang He <ghe@suse.com> | 2019-07-11 20:53:05 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-12 11:05:41 -0700 |
| commit | 8056773ac4b42f36bae6406030218a5f12749c64 (patch) | |
| tree | 1b1056870238577f5c65334b21f774edf8424494 /fs/ocfs2/ocfs2.h | |
| parent | ocfs2: add last unlock times in locking_state (diff) | |
| download | linux-dev-8056773ac4b42f36bae6406030218a5f12749c64.tar.xz linux-dev-8056773ac4b42f36bae6406030218a5f12749c64.zip | |
ocfs2: add locking filter debugfs file
Add locking filter debugfs file, which is used to filter lock resources
dump from locking_state debugfs file. We use d_filter_secs field to
filter lock resources dump, the default d_filter_secs(0) value filters
nothing, otherwise, only dump the last N seconds active lock resources.
This enhancement can avoid dumping lots of old records. The
d_filter_secs value can be changed via locking_filter file.
[akpm@linux-foundation.org: fix undefined reference to `__udivdi3']
Link: http://lkml.kernel.org/r/20190611015414.27754-2-ghe@suse.com
Signed-off-by: Gang He <ghe@suse.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org> [build-tested]
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | fs/ocfs2/ocfs2.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 5c111eabaa1d..c7539601555b 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -223,6 +223,8 @@ struct ocfs2_orphan_scan { struct ocfs2_dlm_debug { struct kref d_refcnt; struct dentry *d_locking_state; + struct dentry *d_locking_filter; + u32 d_filter_secs; struct list_head d_lockres_tracking; }; |