summaryrefslogtreecommitdiff
path: root/fs/ocfs2/dlmglue.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/ocfs2/dlmglue.h')
-rw-r--r--fs/ocfs2/dlmglue.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ocfs2/dlmglue.h b/fs/ocfs2/dlmglue.h
index 2253688b0107..34139a3d7118 100644
--- a/fs/ocfs2/dlmglue.h
+++ b/fs/ocfs2/dlmglue.h
@@ -139,6 +139,7 @@ void ocfs2_lock_res_free(struct ocfs2_lock_res *res);
int ocfs2_create_new_inode_locks(struct inode *inode);
int ocfs2_drop_inode_locks(struct inode *inode);
int ocfs2_rw_lock(struct inode *inode, int write);
+int ocfs2_try_rw_lock(struct inode *inode, int write);
void ocfs2_rw_unlock(struct inode *inode, int write);
int ocfs2_open_lock(struct inode *inode);
int ocfs2_try_open_lock(struct inode *inode, int write);
@@ -163,6 +164,9 @@ int ocfs2_inode_lock_with_page(struct inode *inode,
/* 99% of the time we don't want to supply any additional flags --
* those are for very specific cases only. */
#define ocfs2_inode_lock(i, b, e) ocfs2_inode_lock_full_nested(i, b, e, 0, OI_LS_NORMAL)
+#define ocfs2_try_inode_lock(i, b, e)\
+ ocfs2_inode_lock_full_nested(i, b, e, OCFS2_META_LOCK_NOQUEUE,\
+ OI_LS_NORMAL)
void ocfs2_inode_unlock(struct inode *inode,
int ex);
int ocfs2_super_lock(struct ocfs2_super *osb,