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authorOlof Johansson <olof@lixom.net>2012-03-08 09:20:29 -0800
committerOlof Johansson <olof@lixom.net>2012-03-08 09:20:29 -0800
commitacf346084bca289a00020a5c29c23673b801b380 (patch)
tree1ab7f6eeefd0564d8fb708b858dc19c8b7e0a67c /fs/gfs2/glock.c
parentc71656c018c8551eca45b2f873b239f0303d74cb (diff)
parent38bb3630bcba25f16106166a4aaf211c1d195863 (diff)
downloadblackbird-op-linux-acf346084bca289a00020a5c29c23673b801b380.tar.gz
blackbird-op-linux-acf346084bca289a00020a5c29c23673b801b380.zip
Merge tag 'imx35-imx5-aips-setup' of git://git.pengutronix.de/git/imx/linux-2.6 into next/soc
i.MX35/5 AIPS setup Includes sync up to 3.3-rc6 * tag 'imx35-imx5-aips-setup' of git://git.pengutronix.de/git/imx/linux-2.6: ARM: mx35: Setup the AIPS registers ARM: mx5: Use common function for configuring AIPS
Diffstat (limited to 'fs/gfs2/glock.c')
-rw-r--r--fs/gfs2/glock.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 376816fcd040..351a3e797789 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -167,14 +167,19 @@ void gfs2_glock_add_to_lru(struct gfs2_glock *gl)
spin_unlock(&lru_lock);
}
-static void gfs2_glock_remove_from_lru(struct gfs2_glock *gl)
+static void __gfs2_glock_remove_from_lru(struct gfs2_glock *gl)
{
- spin_lock(&lru_lock);
if (!list_empty(&gl->gl_lru)) {
list_del_init(&gl->gl_lru);
atomic_dec(&lru_count);
clear_bit(GLF_LRU, &gl->gl_flags);
}
+}
+
+static void gfs2_glock_remove_from_lru(struct gfs2_glock *gl)
+{
+ spin_lock(&lru_lock);
+ __gfs2_glock_remove_from_lru(gl);
spin_unlock(&lru_lock);
}
@@ -217,11 +222,12 @@ void gfs2_glock_put(struct gfs2_glock *gl)
struct gfs2_sbd *sdp = gl->gl_sbd;
struct address_space *mapping = gfs2_glock2aspace(gl);
- if (atomic_dec_and_test(&gl->gl_ref)) {
+ if (atomic_dec_and_lock(&gl->gl_ref, &lru_lock)) {
+ __gfs2_glock_remove_from_lru(gl);
+ spin_unlock(&lru_lock);
spin_lock_bucket(gl->gl_hash);
hlist_bl_del_rcu(&gl->gl_list);
spin_unlock_bucket(gl->gl_hash);
- gfs2_glock_remove_from_lru(gl);
GLOCK_BUG_ON(gl, !list_empty(&gl->gl_holders));
GLOCK_BUG_ON(gl, mapping && mapping->nrpages);
trace_gfs2_glock_put(gl);
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