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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-12-15 21:02:44 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-12-29 20:58:35 +0100 |
| commit | 17bf23a981be9c6629198a76940c777eb5c8c521 (patch) | |
| tree | 89683c830b55016fdc9a2c72e15f161be7c0a038 /fs/buffer.c | |
| parent | ufs: remove writepage implementation (diff) | |
| download | linux-17bf23a981be9c6629198a76940c777eb5c8c521.tar.xz linux-17bf23a981be9c6629198a76940c777eb5c8c521.zip | |
fs: convert block_write_full_page to block_write_full_folio
Convert the function to be compatible with writepage_t so that it can be
passed to write_cache_pages() by blkdev. This removes a call to
compound_head(). We can also remove the function export as both callers
are built-in.
Link: https://lkml.kernel.org/r/20231215200245.748418-14-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/buffer.c')
| -rw-r--r-- | fs/buffer.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index 3a8c8322ed28..c838b4a31009 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -372,7 +372,7 @@ static void end_buffer_async_read_io(struct buffer_head *bh, int uptodate) } /* - * Completion handler for block_write_full_page() - pages which are unlocked + * Completion handler for block_write_full_folio() - pages which are unlocked * during I/O, and which have PageWriteback cleared upon I/O completion. */ void end_buffer_async_write(struct buffer_head *bh, int uptodate) @@ -1771,18 +1771,18 @@ static struct buffer_head *folio_create_buffers(struct folio *folio, */ /* - * While block_write_full_page is writing back the dirty buffers under + * While block_write_full_folio is writing back the dirty buffers under * the page lock, whoever dirtied the buffers may decide to clean them * again at any time. We handle that by only looking at the buffer * state inside lock_buffer(). * - * If block_write_full_page() is called for regular writeback + * If block_write_full_folio() is called for regular writeback * (wbc->sync_mode == WB_SYNC_NONE) then it will redirty a page which has a * locked buffer. This only can happen if someone has written the buffer * directly, with submit_bh(). At the address_space level PageWriteback * prevents this contention from occurring. * - * If block_write_full_page() is called with wbc->sync_mode == + * If block_write_full_folio() is called with wbc->sync_mode == * WB_SYNC_ALL, the writes are posted using REQ_SYNC; this * causes the writes to be flagged as synchronous writes. */ @@ -1829,7 +1829,7 @@ int __block_write_full_folio(struct inode *inode, struct folio *folio, * truncate in progress. */ /* - * The buffer was zeroed by block_write_full_page() + * The buffer was zeroed by block_write_full_folio() */ clear_buffer_dirty(bh); set_buffer_uptodate(bh); @@ -2696,10 +2696,9 @@ EXPORT_SYMBOL(block_truncate_page); /* * The generic ->writepage function for buffer-backed address_spaces */ -int block_write_full_page(struct page *page, get_block_t *get_block, - struct writeback_control *wbc) +int block_write_full_folio(struct folio *folio, struct writeback_control *wbc, + void *get_block) { - struct folio *folio = page_folio(page); struct inode * const inode = folio->mapping->host; loff_t i_size = i_size_read(inode); @@ -2726,7 +2725,6 @@ int block_write_full_page(struct page *page, get_block_t *get_block, return __block_write_full_folio(inode, folio, get_block, wbc, end_buffer_async_write); } -EXPORT_SYMBOL(block_write_full_page); sector_t generic_block_bmap(struct address_space *mapping, sector_t block, get_block_t *get_block) |