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authorGang He <ghe@suse.com>2018-01-31 16:15:10 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-01-31 17:18:35 -0800
commit4882abebccb58d68056462b66cea0d7f16169c39 (patch)
tree5d6a2c2947f447e246dd349d4f170fb853715bf5 /fs/ocfs2/ocfs2_lockid.h
parent71a36944042b7d9dd71f6a5d1c5ea1c2353b5d42 (diff)
downloadlinux-4882abebccb58d68056462b66cea0d7f16169c39.tar.bz2
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 'fs/ocfs2/ocfs2_lockid.h')
-rw-r--r--fs/ocfs2/ocfs2_lockid.h5
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)