[GFS2] Eliminate the no longer needed sd_statfs_mutex
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>
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@ -529,7 +529,6 @@ struct gfs2_sbd {
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/* StatFS stuff */
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spinlock_t sd_statfs_spin;
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struct mutex sd_statfs_mutex;
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struct gfs2_statfs_change_host sd_statfs_master;
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struct gfs2_statfs_change_host sd_statfs_local;
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unsigned long sd_statfs_sync_time;
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@ -60,7 +60,6 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)
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mutex_init(&sdp->sd_inum_mutex);
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spin_lock_init(&sdp->sd_statfs_spin);
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mutex_init(&sdp->sd_statfs_mutex);
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spin_lock_init(&sdp->sd_rindex_spin);
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mutex_init(&sdp->sd_rindex_mutex);
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@ -688,9 +688,7 @@ void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
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if (error)
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return;
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mutex_lock(&sdp->sd_statfs_mutex);
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gfs2_trans_add_bh(l_ip->i_gl, l_bh, 1);
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mutex_unlock(&sdp->sd_statfs_mutex);
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spin_lock(&sdp->sd_statfs_spin);
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l_sc->sc_total += total;
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@ -738,9 +736,7 @@ int gfs2_statfs_sync(struct gfs2_sbd *sdp)
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if (error)
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goto out_bh2;
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mutex_lock(&sdp->sd_statfs_mutex);
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gfs2_trans_add_bh(l_ip->i_gl, l_bh, 1);
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mutex_unlock(&sdp->sd_statfs_mutex);
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spin_lock(&sdp->sd_statfs_spin);
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m_sc->sc_total += l_sc->sc_total;
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