diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index cdb9b9bdea1f..a33d06069968 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -115,6 +115,7 @@ int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block, } bh = bhs[i]; + printk("jbd: %d, dirty: %d, i: %d, bh: %p, %s\n", buffer_jbd(bh), buffer_dirty(bh), i, bh, __func__); if (buffer_jbd(bh)) { trace_ocfs2_read_blocks_sync_jbd( (unsigned long long)bh->b_blocknr); @@ -148,6 +149,8 @@ int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block, get_bh(bh); /* for end_buffer_read_sync() */ bh->b_end_io = end_buffer_read_sync; submit_bh(REQ_OP_READ, bh); + printk("bio, jbd: %d, dirty: %d, i: %d, bh: %p, buflocked: %d, status: %d, %s\n", buffer_jbd(bh), + buffer_dirty(bh), i, bh, buffer_locked(bh), status, __func__); } read_failure: @@ -170,9 +173,15 @@ int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block, continue; } + printk("rf, jbd: %d, dirty: %d, i: %d, bh: %p, buflocked: %d, status: %d, %s\n", buffer_jbd(bh), + buffer_dirty(bh), i, bh, buffer_locked(bh), status, __func__); /* No need to wait on the buffer if it's managed by JBD. */ - if (!buffer_jbd(bh)) + if (!buffer_jbd(bh)) { + if (!buffer_locked(bh) && bh->b_end_io == end_buffer_read_sync) + lock_buffer(bh); + wait_on_buffer(bh); + } if (!buffer_uptodate(bh)) { /* Status won't be cleared from here on out,