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-rw-r--r--fs/lockd/svclock.c55
-rw-r--r--include/linux/lockd/lockd.h1
2 files changed, 6 insertions, 50 deletions
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index acfa94d5b489..13db95f54176 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -245,7 +245,6 @@ nlmsvc_create_block(struct svc_rqst *rqstp, struct nlm_host *host,
block->b_daemon = rqstp->rq_server;
block->b_host = host;
block->b_file = file;
- block->b_fl = NULL;
file->f_count++;
/* Add to file's list of blocks */
@@ -295,7 +294,6 @@ static void nlmsvc_free_block(struct kref *kref)
nlmsvc_freegrantargs(block->b_call);
nlmsvc_release_call(block->b_call);
nlm_release_file(block->b_file);
- kfree(block->b_fl);
kfree(block);
}
@@ -508,7 +506,6 @@ nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
struct nlm_host *host, struct nlm_lock *lock,
struct nlm_lock *conflock, struct nlm_cookie *cookie)
{
- struct nlm_block *block = NULL;
int error;
__be32 ret;
@@ -519,63 +516,26 @@ nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
(long long)lock->fl.fl_start,
(long long)lock->fl.fl_end);
- /* Get existing block (in case client is busy-waiting) */
- block = nlmsvc_lookup_block(file, lock);
-
- if (block == NULL) {
- struct file_lock *conf = kzalloc(sizeof(*conf), GFP_KERNEL);
-
- if (conf == NULL)
- return nlm_granted;
- block = nlmsvc_create_block(rqstp, host, file, lock, cookie);
- if (block == NULL) {
- kfree(conf);
- return nlm_granted;
- }
- block->b_fl = conf;
- }
- if (block->b_flags & B_QUEUED) {
- dprintk("lockd: nlmsvc_testlock deferred block %p flags %d fl %p\n",
- block, block->b_flags, block->b_fl);
- if (block->b_flags & B_TIMED_OUT) {
- nlmsvc_unlink_block(block);
- ret = nlm_lck_denied;
- goto out;
- }
- if (block->b_flags & B_GOT_CALLBACK) {
- nlmsvc_unlink_block(block);
- if (block->b_fl != NULL
- && block->b_fl->fl_type != F_UNLCK) {
- lock->fl = *block->b_fl;
- goto conf_lock;
- } else {
- ret = nlm_granted;
- goto out;
- }
- }
- ret = nlm_drop_reply;
- goto out;
- }
-
if (locks_in_grace(SVC_NET(rqstp))) {
ret = nlm_lck_denied_grace_period;
goto out;
}
+
error = vfs_test_lock(file->f_file, &lock->fl);
- if (error == FILE_LOCK_DEFERRED) {
- ret = nlmsvc_defer_lock_rqst(rqstp, block);
- goto out;
- }
if (error) {
+ /* We can't currently deal with deferred test requests */
+ if (error == FILE_LOCK_DEFERRED)
+ WARN_ON_ONCE(1);
+
ret = nlm_lck_denied_nolocks;
goto out;
}
+
if (lock->fl.fl_type == F_UNLCK) {
ret = nlm_granted;
goto out;
}
-conf_lock:
dprintk("lockd: conflicting lock(ty=%d, %Ld-%Ld)\n",
lock->fl.fl_type, (long long)lock->fl.fl_start,
(long long)lock->fl.fl_end);
@@ -589,8 +549,6 @@ conf_lock:
locks_release_private(&lock->fl);
ret = nlm_lck_denied;
out:
- if (block)
- nlmsvc_release_block(block);
return ret;
}
@@ -661,7 +619,6 @@ nlmsvc_cancel_blocked(struct net *net, struct nlm_file *file, struct nlm_lock *l
* This is a callback from the filesystem for VFS file lock requests.
* It will be used if lm_grant is defined and the filesystem can not
* respond to the request immediately.
- * For GETLK request it will copy the reply to the nlm_block.
* For SETLK or SETLKW request it will get the local posix lock.
* In all cases it will move the block to the head of nlm_blocked q where
* nlmsvc_retry_blocked() can send back a reply for SETLKW or revisit the
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index 219d79627c05..ff82a32871b5 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -178,7 +178,6 @@ struct nlm_block {
unsigned char b_granted; /* VFS granted lock */
struct nlm_file * b_file; /* file in question */
struct cache_req * b_cache_req; /* deferred request handling */
- struct file_lock * b_fl; /* set for GETLK */
struct cache_deferred_req * b_deferred_req;
unsigned int b_flags; /* block flags */
#define B_QUEUED 1 /* lock queued */