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Diffstat (limited to 'fs/reiserfs/bitmap.c')
-rw-r--r--fs/reiserfs/bitmap.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/reiserfs/bitmap.c b/fs/reiserfs/bitmap.c
index e716161ab32..68549570718 100644
--- a/fs/reiserfs/bitmap.c
+++ b/fs/reiserfs/bitmap.c
@@ -1249,14 +1249,18 @@ struct buffer_head *reiserfs_read_bitmap_block(struct super_block *sb,
else if (bitmap == 0)
block = (REISERFS_DISK_OFFSET_IN_BYTES >> sb->s_blocksize_bits) + 1;
+ reiserfs_write_unlock(sb);
bh = sb_bread(sb, block);
+ reiserfs_write_lock(sb);
if (bh == NULL)
reiserfs_warning(sb, "sh-2029: %s: bitmap block (#%u) "
"reading failed", __func__, block);
else {
if (buffer_locked(bh)) {
PROC_INFO_INC(sb, scan_bitmap.wait);
+ reiserfs_write_unlock(sb);
__wait_on_buffer(bh);
+ reiserfs_write_lock(sb);
}
BUG_ON(!buffer_uptodate(bh));
BUG_ON(atomic_read(&bh->b_count) == 0);