diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-07-15 20:24:01 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2024-08-07 11:33:21 +0200 |
| commit | 1da86618bdce301d23e89ecce92161f9d3b3c5e7 (patch) | |
| tree | 7e6d452f81d12f8b472b0a037f0d5654ea18766b /mm | |
| parent | fs: Convert aops->write_end to take a folio (diff) | |
| download | linux-1da86618bdce301d23e89ecce92161f9d3b3c5e7.tar.xz linux-1da86618bdce301d23e89ecce92161f9d3b3c5e7.zip | |
fs: Convert aops->write_begin to take a folio
Convert all callers from working on a page to working on one page
of a folio (support for working on an entire folio can come later).
Removes a lot of folio->page->folio conversions.
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/filemap.c | 4 | ||||
| -rw-r--r-- | mm/shmem.c | 8 |
2 files changed, 5 insertions, 7 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index fab6b0c3044e..29fec1fccd0a 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -3987,7 +3987,6 @@ ssize_t generic_perform_write(struct kiocb *iocb, struct iov_iter *i) ssize_t written = 0; do { - struct page *page; struct folio *folio; size_t offset; /* Offset into folio */ size_t bytes; /* Bytes to write to folio */ @@ -4017,11 +4016,10 @@ retry: } status = a_ops->write_begin(file, mapping, pos, bytes, - &page, &fsdata); + &folio, &fsdata); if (unlikely(status < 0)) break; - folio = page_folio(page); offset = offset_in_folio(folio, pos); if (bytes > folio_size(folio) - offset) bytes = folio_size(folio) - offset; diff --git a/mm/shmem.c b/mm/shmem.c index 1116f147d788..dbc351b4b153 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2882,7 +2882,7 @@ static const struct inode_operations shmem_short_symlink_operations; static int shmem_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, - struct page **pagep, void **fsdata) + struct folio **foliop, void **fsdata) { struct inode *inode = mapping->host; struct shmem_inode_info *info = SHMEM_I(inode); @@ -2903,14 +2903,14 @@ shmem_write_begin(struct file *file, struct address_space *mapping, if (ret) return ret; - *pagep = folio_file_page(folio, index); - if (PageHWPoison(*pagep)) { + if (folio_test_hwpoison(folio) || + (folio_test_large(folio) && folio_test_has_hwpoisoned(folio))) { folio_unlock(folio); folio_put(folio); - *pagep = NULL; return -EIO; } + *foliop = folio; return 0; } |