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Diffstat (limited to 'fs/reiserfs/bitmap.c')
| -rw-r--r-- | fs/reiserfs/bitmap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/reiserfs/bitmap.c b/fs/reiserfs/bitmap.c index e716161ab325..685495707181 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); |