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| author |   Gang He <ghe@suse.com> | 2018-01-31 16:15:10 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-01-31 17:18:35 -0800 |
| commit | 4882abebccb58d68056462b66cea0d7f16169c39 (patch) | |
| tree | 5d6a2c2947f447e246dd349d4f170fb853715bf5 /fs/ocfs2/ocfs2_lockid.h | |
| parent | ocfs2: try to reuse extent block in dealloc without meta_alloc (diff) | |
| download | linux-dev-4882abebccb58d68056462b66cea0d7f16169c39.tar.xz linux-dev-4882abebccb58d68056462b66cea0d7f16169c39.zip | |
ocfs2: add trimfs dlm lock resource
Introduce a new dlm lock resource, which will be used to communicate
during fstrimming of an ocfs2 device from cluster nodes.
Link: http://lkml.kernel.org/r/1513228484-2084-1-git-send-email-ghe@suse.com
Signed-off-by: Gang He <ghe@suse.com>
Reviewed-by: Changwei Ge <ge.changwei@h3c.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.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_lockid.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2_lockid.h b/fs/ocfs2/ocfs2_lockid.h index d277aabf5dfb..7051b994c776 100644 --- a/fs/ocfs2/ocfs2_lockid.h +++ b/fs/ocfs2/ocfs2_lockid.h @@ -50,6 +50,7 @@ enum ocfs2_lock_type { OCFS2_LOCK_TYPE_NFS_SYNC, OCFS2_LOCK_TYPE_ORPHAN_SCAN, OCFS2_LOCK_TYPE_REFCOUNT, + OCFS2_LOCK_TYPE_TRIM_FS, OCFS2_NUM_LOCK_TYPES }; @@ -93,6 +94,9 @@ static inline char ocfs2_lock_type_char(enum ocfs2_lock_type type) case OCFS2_LOCK_TYPE_REFCOUNT: c = 'T'; break; + case OCFS2_LOCK_TYPE_TRIM_FS: + c = 'I'; + break; default: c = '\0'; } @@ -115,6 +119,7 @@ static char *ocfs2_lock_type_strings[] = { [OCFS2_LOCK_TYPE_NFS_SYNC] = "NFSSync", [OCFS2_LOCK_TYPE_ORPHAN_SCAN] = "OrphanScan", [OCFS2_LOCK_TYPE_REFCOUNT] = "Refcount", + [OCFS2_LOCK_TYPE_TRIM_FS] = "TrimFs", }; static inline const char *ocfs2_lock_type_string(enum ocfs2_lock_type type) |