diff options
| author | Jan Kara <jack@suse.cz> | 2023-01-24 13:54:08 +0300 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2023-01-26 18:46:35 +0300 |
| commit | 79d3c6dbada4a20193467f72c531ab99c173bf4f (patch) | |
| tree | 92da033d3ed03f53b24ab047f4273aed2ba98520 /fs/udf/file.c | |
| parent | b7c31e6f14779324a39927cdaf493dc193576da1 (diff) | |
| download | linux-79d3c6dbada4a20193467f72c531ab99c173bf4f.tar.xz | |
udf: Convert in-ICB files to use udf_writepages()
Switching address_space_operations while a file is used is difficult to
do in a race-free way. To be able to use single address_space_operations
in UDF, make in-ICB files use udf_writepages().
Reported-by: syzbot+c27475eb921c46bbdc62@syzkaller.appspotmail.com
Reported-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/udf/file.c')
| -rw-r--r-- | fs/udf/file.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/fs/udf/file.c b/fs/udf/file.c index 2666234a5204..7a8dbad86e41 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -57,25 +57,6 @@ void udf_adinicb_readpage(struct page *page) kunmap_atomic(kaddr); } -static int udf_adinicb_writepage(struct page *page, - struct writeback_control *wbc) -{ - struct inode *inode = page->mapping->host; - char *kaddr; - struct udf_inode_info *iinfo = UDF_I(inode); - - BUG_ON(!PageLocked(page)); - - kaddr = kmap_atomic(page); - memcpy(iinfo->i_data + iinfo->i_lenEAttr, kaddr, i_size_read(inode)); - SetPageUptodate(page); - kunmap_atomic(kaddr); - mark_inode_dirty(inode); - unlock_page(page); - - return 0; -} - static int udf_adinicb_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, struct page **pagep, @@ -119,7 +100,7 @@ const struct address_space_operations udf_adinicb_aops = { .dirty_folio = block_dirty_folio, .invalidate_folio = block_invalidate_folio, .read_folio = udf_read_folio, - .writepage = udf_adinicb_writepage, + .writepages = udf_writepages, .write_begin = udf_adinicb_write_begin, .write_end = udf_adinicb_write_end, .direct_IO = udf_adinicb_direct_IO, |