* Hashtable has been replaced by rbtree to manage buffers.
Update the comment.
* Fix typo in the comment for dm_bufio_issue_flush
Signed-off-by: Shenghui Wang <shhuiw@xxxxxxxxxxx>
---
drivers/md/dm-bufio.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index dc385b70e4c3..0e9fcceaefd2 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -65,7 +65,7 @@
/*
* Linking of buffers:
- * All buffers are linked to cache_hash with their hash_list field.
+ * All buffers are linked to buffer_tree with their node field.
*
* Clean buffers that are not being written (B_WRITING not set)
* are linked to lru[LIST_CLEAN] with their lru_list field.
@@ -457,7 +457,7 @@ static void free_buffer(struct dm_buffer *b)
}
/*
- * Link buffer to the hash list and clean or dirty queue.
+ * Link buffer to the buffer tree and clean or dirty queue.
*/
static void __link_buffer(struct dm_buffer *b, sector_t block, int dirty)
{
@@ -472,7 +472,7 @@ static void __link_buffer(struct dm_buffer *b, sector_t block, int dirty)
}
/*
- * Unlink buffer from the hash list and dirty or clean queue.
+ * Unlink buffer from the buffer tree and dirty or clean queue.
*/
static void __unlink_buffer(struct dm_buffer *b)
{
@@ -993,7 +993,7 @@ static struct dm_buffer *__bufio_new(struct dm_bufio_client *c, sector_t block,
/*
* We've had a period where the mutex was unlocked, so need to
- * recheck the hash table.
+ * recheck the buffer tree.
*/
b = __find(c, block);
if (b) {
@@ -1327,7 +1327,7 @@ int dm_bufio_write_dirty_buffers(struct dm_bufio_client *c)
EXPORT_SYMBOL_GPL(dm_bufio_write_dirty_buffers);
/*
- * Use dm-io to send and empty barrier flush the device.
+ * Use dm-io to send an empty barrier to flush the device.
*/
int dm_bufio_issue_flush(struct dm_bufio_client *c)
{
@@ -1356,7 +1356,7 @@ EXPORT_SYMBOL_GPL(dm_bufio_issue_flush);
* Then, we write the buffer to the original location if it was dirty.
*
* Then, if we are the only one who is holding the buffer, relink the buffer
- * in the hash queue for the new location.
+ * in the buffer tree for the new location.
*
* If there was someone else holding the buffer, we write it to the new
* location but not relink it, because that other user needs to have the buffer
--
2.18.0
--
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