diff options
| author | Olof Johansson <olof@lixom.net> | 2012-03-07 14:52:43 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-03-07 14:53:14 -0800 |
| commit | 591e7afd2e686394912d65a6faeb933b76b26b5d (patch) | |
| tree | 5e992381e6d9456d6293d16ad1c2ed36efcb7bd3 /fs/gfs2/glock.c | |
| parent | ff0ea1ee058e3906502452eba60fd220ece4401d (diff) | |
| parent | c9f46a850a07dcf45ee195b958593fae1b78c221 (diff) | |
Merge branch 'maintainers' of git://gitorious.org/linux-davinci/linux-davinci into next/maintainers
* 'maintainers' of git://gitorious.org/linux-davinci/linux-davinci: (2 commits)
MAINTAINERS: add TI DaVinci git tree information
MAINTAINERS: mark TI DaVinci list as "moderated"
(also included an update to 3.3-rc6)
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'fs/gfs2/glock.c')
| -rw-r--r-- | fs/gfs2/glock.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 376816fcd04..351a3e79778 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); |