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authorFelix Blyakher <felixb@sgi.com>2009-03-31 15:12:56 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-04-24 16:36:03 -0400
commita9e61e25f9d2e7e43bf17625f5cb56c9e0a89b17 (patch)
tree1c000afc1e2eadb00570ae34666af508afa021fe /fs/locks.c
parent80492e7d49bee0a280a84a39075a7857b92836b2 (diff)
downloadblackbird-op-linux-a9e61e25f9d2e7e43bf17625f5cb56c9e0a89b17.tar.gz
blackbird-op-linux-a9e61e25f9d2e7e43bf17625f5cb56c9e0a89b17.zip
lockd: call locks_release_private to cleanup per-filesystem state
For every lock request lockd creates a new file_lock object in nlmsvc_setgrantargs() by copying the passed in file_lock with locks_copy_lock(). A filesystem can attach it's own lock_operations vector to the file_lock. It has to be cleaned up at the end of the file_lock's life. However, lockd doesn't do it today, yet it asserts in nlmclnt_release_lockargs() that the per-filesystem state is clean. This patch fixes it by exporting locks_release_private() and adding it to nlmsvc_freegrantargs(), to be symmetrical to creating a file_lock in nlmsvc_setgrantargs(). Signed-off-by: Felix Blyakher <felixb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/locks.c')
-rw-r--r--fs/locks.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/locks.c b/fs/locks.c
index ec3deea29e37..b6440f52178f 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -151,7 +151,7 @@ static struct file_lock *locks_alloc_lock(void)
return kmem_cache_alloc(filelock_cache, GFP_KERNEL);
}
-static void locks_release_private(struct file_lock *fl)
+void locks_release_private(struct file_lock *fl)
{
if (fl->fl_ops) {
if (fl->fl_ops->fl_release_private)
@@ -165,6 +165,7 @@ static void locks_release_private(struct file_lock *fl)
}
}
+EXPORT_SYMBOL_GPL(locks_release_private);
/* Free a lock which is not in use. */
static void locks_free_lock(struct file_lock *fl)
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