Attachment 292919 Details for Bug 430207 – Second Patch from Jan in LKML

Second Patch from Jan in LKML

patch_from-lkml (text/plain), 1.13 KB, created by IBM Bug Proxy on 2008-01-25 09:16:29 UTC

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Creator: IBM Bug Proxy

Created: 2008-01-25 09:16:29 UTC

Size: 1.13 KB

patch

obsolete

>diff --git a/fs/buffer.c b/fs/buffer.c
>index 7249e01..3ffb2b6 100644
>--- a/fs/buffer.c
>+++ b/fs/buffer.c
>@@ -794,6 +794,7 @@ static int fsync_buffers_list(spinlock_t *lock, struct list_head *list)
> {
> 	struct buffer_head *bh;
> 	struct list_head tmp;
>+	struct address_space *mapping;
> 	int err = 0, err2;
> 
> 	INIT_LIST_HEAD(&tmp);
>@@ -801,9 +802,11 @@ static int fsync_buffers_list(spinlock_t *lock, struct list_head *list)
> 	spin_lock(lock);
> 	while (!list_empty(list)) {
> 		bh = BH_ENTRY(list->next);
>+		mapping = bh->b_assoc_map;
> 		__remove_assoc_queue(bh);
> 		if (buffer_dirty(bh) || buffer_locked(bh)) {
> 			list_add(&bh->b_assoc_buffers, &tmp);
>+			bh->b_assoc_map = mapping;
> 			if (buffer_dirty(bh)) {
> 				get_bh(bh);
> 				spin_unlock(lock);
>@@ -828,8 +831,13 @@ static int fsync_buffers_list(spinlock_t *lock, struct list_head *list)
> 		wait_on_buffer(bh);
> 		if (!buffer_uptodate(bh))
> 			err = -EIO;
>-		brelse(bh);
> 		spin_lock(lock);
>+		if (buffer_dirty(bh) && list_empty(&bh->b_assoc_buffers)) {
>+			BUG_ON(!bh->b_assoc_map);
>+			list_add(&bh->b_assoc_buffers,
>+				 &bh->b_assoc_map->private_list);
>+		}
>+		brelse(bh);
> 	}
> 	
> 	spin_unlock(lock);

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Attachments on bug 430207: 292919 | 292920