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authorKrishna Srinivas <ksriniva@redhat.com>2012-02-20 14:34:39 +0530
committerVijay Bellur <vijay@gluster.com>2012-02-20 07:26:51 -0800
commited2036979499cb272336187c06955aa5e484023d (patch)
treea2173280ad5753aa4d674e86e6ed66bcdcd6f973 /xlators/features
parentdb20a0f8a99f715a77366e518720612f043d5c9e (diff)
NLM - Network Lock Manger V4
Change-Id: Ic31b8bb10a28408da2a623f4ecc0c60af01c64af BUG: 795421 Signed-off-by: Krishna Srinivas <ksriniva@redhat.com> Reviewed-on: http://review.gluster.com/2711 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amarts@redhat.com>
Diffstat (limited to 'xlators/features')
-rw-r--r--xlators/features/locks/src/posix.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/xlators/features/locks/src/posix.c b/xlators/features/locks/src/posix.c
index bd30ca4937d..17bc802a000 100644
--- a/xlators/features/locks/src/posix.c
+++ b/xlators/features/locks/src/posix.c
@@ -284,6 +284,27 @@ unwind:
return 0;
}
+int
+pl_locks_by_fd (pl_inode_t *pl_inode, fd_t *fd)
+{
+ posix_lock_t *l = NULL;
+ int found = 0;
+
+ pthread_mutex_lock (&pl_inode->mutex);
+ {
+
+ list_for_each_entry (l, &pl_inode->ext_list, list) {
+ if ((l->fd_num == fd_to_fdnum(fd))) {
+ found = 1;
+ break;
+ }
+ }
+
+ }
+ pthread_mutex_unlock (&pl_inode->mutex);
+ return found;
+}
+
static void
delete_locks_of_fd (xlator_t *this, pl_inode_t *pl_inode, fd_t *fd)
{
@@ -1219,6 +1240,12 @@ pl_lk (call_frame_t *frame, xlator_t *this,
unwind:
pl_trace_out (this, frame, fd, NULL, cmd, flock, op_ret, op_errno, NULL);
pl_update_refkeeper (this, fd->inode);
+
+ if (pl_locks_by_fd(pl_inode, fd))
+ flock->l_type = F_RDLCK;
+ else
+ flock->l_type = F_UNLCK;
+
STACK_UNWIND_STRICT (lk, frame, op_ret, op_errno, flock);
out:
return 0;