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-rw-r--r--fs/gfs2/meta_io.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index 93241505054..c7f24690ed0 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -116,6 +116,9 @@ struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno, int create)
unsigned long index;
unsigned int bufnum;
+ if (mapping == NULL)
+ mapping = &sdp->sd_aspace;
+
shift = PAGE_CACHE_SHIFT - sdp->sd_sb.sb_bsize_shift;
index = blkno >> shift; /* convert block to page */
bufnum = blkno - (index << shift); /* block buf index within page */
@@ -258,6 +261,7 @@ void gfs2_remove_from_journal(struct buffer_head *bh, struct gfs2_trans *tr, int
struct address_space *mapping = bh->b_page->mapping;
struct gfs2_sbd *sdp = gfs2_mapping2sbd(mapping);
struct gfs2_bufdata *bd = bh->b_private;
+ int was_pinned = 0;
if (test_clear_buffer_pinned(bh)) {
trace_gfs2_pin(bd, 0);
@@ -273,12 +277,16 @@ void gfs2_remove_from_journal(struct buffer_head *bh, struct gfs2_trans *tr, int
tr->tr_num_databuf_rm++;
}
tr->tr_touched = 1;
+ was_pinned = 1;
brelse(bh);
}
if (bd) {
spin_lock(&sdp->sd_ail_lock);
if (bd->bd_tr) {
gfs2_trans_add_revoke(sdp, bd);
+ } else if (was_pinned) {
+ bh->b_private = NULL;
+ kmem_cache_free(gfs2_bufdata_cachep, bd);
}
spin_unlock(&sdp->sd_ail_lock);
}