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| author | Matthew Wilcox <willy@infradead.org> | 2017-12-04 10:40:41 -0500 |
|---|---|---|
| committer | Matthew Wilcox <willy@infradead.org> | 2018-08-09 23:15:51 -0400 |
| commit | 13aa7116f8506af2b996146c59ea8024541f55c1 (patch) | |
| tree | 1b3e5027a44d93c1e6f182ed1d2b47d4f630e527 /fs | |
| parent | 9b3701dd8fae4fa07861e11a544f6c69ac4fd483 (diff) | |
| download | linux-next-13aa7116f8506af2b996146c59ea8024541f55c1.tar.gz | |
fs: Convert buffer to XArray
Mostly comment fixes, but one use of __xa_set_tag.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Diffstat (limited to 'fs')
| -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 cabc045f483d..2f4bbda078d2 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_tag(&mapping->i_pages, page_index(page), + PAGECACHE_TAG_DIRTY); } xa_unlock_irqrestore(&mapping->i_pages, flags); } @@ -1043,7 +1043,7 @@ __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 @@ -1066,9 +1066,9 @@ __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, |