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| author | Matthew Wilcox <willy@infradead.org> | 2017-12-04 10:40:41 -0500 |
|---|---|---|
| committer | Matthew Wilcox <willy@infradead.org> | 2018-10-21 10:46:41 -0400 |
| commit | ec82e1c1c89ce02d7703b841e6ee7d429feed609 (patch) | |
| tree | 3be1b415d3abad6f032b0216bb303f27516ad573 /fs/buffer.c | |
| parent | 0a943c65e7d7207dce2a63e9d14a925c0d9a7d96 (diff) | |
| download | linux-ec82e1c1c89ce02d7703b841e6ee7d429feed609.tar.gz linux-ec82e1c1c89ce02d7703b841e6ee7d429feed609.tar.bz2 linux-ec82e1c1c89ce02d7703b841e6ee7d429feed609.zip | |
fs: Convert buffer to XArray
Mostly comment fixes, but one use of __xa_set_mark.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Diffstat (limited to 'fs/buffer.c')
| -rw-r--r-- | fs/buffer.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index 6f1ae3ac9789..1286c2b95498 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -562,7 +562,7 @@ 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 @@ -579,8 +579,8 @@ 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_mark(&mapping->i_pages, page_index(page), + PAGECACHE_TAG_DIRTY); } xa_unlock_irqrestore(&mapping->i_pages, flags); } @@ -1050,7 +1050,7 @@ __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 @@ -1073,9 +1073,9 @@ __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, |