lkml.org 
[lkml]   [2018]   [Mar]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v9 54/61] fs: Convert buffer to XArray
Date
From: Matthew Wilcox <mawilcox@microsoft.com>

Mostly comment fixes, but one use of __xa_set_tag.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
---
fs/buffer.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/fs/buffer.c b/fs/buffer.c
index f3059f929dd6..5c798ecf7a39 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -585,7 +585,7 @@ void mark_buffer_dirty_inode(struct buffer_head *bh, struct inode *inode)
EXPORT_SYMBOL(mark_buffer_dirty_inode);

/*
- * Mark the page dirty, and set it dirty in the radix tree, and mark the inode
+ * Mark the page dirty, and set it dirty in the page cache, and mark the inode
* dirty.
*
* If warn is true, then emit a warning if the page is not uptodate and has
@@ -602,8 +602,8 @@ void __set_page_dirty(struct page *page, struct address_space *mapping,
if (page->mapping) { /* Race with truncate? */
WARN_ON_ONCE(warn && !PageUptodate(page));
account_page_dirtied(page, mapping);
- radix_tree_tag_set(&mapping->i_pages,
- page_index(page), PAGECACHE_TAG_DIRTY);
+ __xa_set_tag(&mapping->i_pages, page_index(page),
+ PAGECACHE_TAG_DIRTY);
}
xa_unlock_irqrestore(&mapping->i_pages, flags);
}
@@ -1066,7 +1066,7 @@ __getblk_slow(struct block_device *bdev, sector_t block,
* The relationship between dirty buffers and dirty pages:
*
* Whenever a page has any dirty buffers, the page's dirty bit is set, and
- * the page is tagged dirty in its radix tree.
+ * the page is tagged dirty in the page cache.
*
* At all times, the dirtiness of the buffers represents the dirtiness of
* subsections of the page. If the page has buffers, the page dirty bit is
@@ -1089,9 +1089,9 @@ __getblk_slow(struct block_device *bdev, sector_t block,
* mark_buffer_dirty - mark a buffer_head as needing writeout
* @bh: the buffer_head to mark dirty
*
- * mark_buffer_dirty() will set the dirty bit against the buffer, then set its
- * backing page dirty, then tag the page as dirty in its address_space's radix
- * tree and then attach the address_space's inode to its superblock's dirty
+ * mark_buffer_dirty() will set the dirty bit against the buffer, then set
+ * its backing page dirty, then tag the page as dirty in the page cache
+ * and then attach the address_space's inode to its superblock's dirty
* inode list.
*
* mark_buffer_dirty() is atomic. It takes bh->b_page->mapping->private_lock,
--
2.16.1
\
 
 \ /
  Last update: 2018-03-13 14:30    [W:0.286 / U:25.828 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site