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Go Back   Linux Archive > Redhat > Cluster Development

 
 
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Old 01-21-2008, 08:22 AM
 
Default Eliminate the no longer needed sd_statfs_mutex

From: Bob Peterson <rpeterso@redhat.com>

This patch eliminates the unneeded sd_statfs_mutex mutex but preserves
the ordering as discussed.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 14862d1..9a83429 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -527,7 +527,6 @@ struct gfs2_sbd {
/* StatFS stuff */

spinlock_t sd_statfs_spin;
- struct mutex sd_statfs_mutex;
struct gfs2_statfs_change_host sd_statfs_master;
struct gfs2_statfs_change_host sd_statfs_local;
unsigned long sd_statfs_sync_time;
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 35ec630..22e260e 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -60,7 +60,6 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)

mutex_init(&sdp->sd_inum_mutex);
spin_lock_init(&sdp->sd_statfs_spin);
- mutex_init(&sdp->sd_statfs_mutex);

spin_lock_init(&sdp->sd_rindex_spin);
mutex_init(&sdp->sd_rindex_mutex);
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index dda7747..73e49df 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -686,9 +686,7 @@ void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
if (error)
return;

- mutex_lock(&sdp->sd_statfs_mutex);
gfs2_trans_add_bh(l_ip->i_gl, l_bh, 1);
- mutex_unlock(&sdp->sd_statfs_mutex);

spin_lock(&sdp->sd_statfs_spin);
l_sc->sc_total += total;
@@ -736,9 +734,7 @@ int gfs2_statfs_sync(struct gfs2_sbd *sdp)
if (error)
goto out_bh2;

- mutex_lock(&sdp->sd_statfs_mutex);
gfs2_trans_add_bh(l_ip->i_gl, l_bh, 1);
- mutex_unlock(&sdp->sd_statfs_mutex);

spin_lock(&sdp->sd_statfs_spin);
m_sc->sc_total += l_sc->sc_total;
--
1.5.1.2
 

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