diff options
| author | Jan Kara <jack@suse.cz> | 2023-01-24 12:07:37 +0100 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2023-01-26 16:46:35 +0100 |
| commit | 60b99a1b9fa731453e1b69a3e0b3e4dcab7a6ea5 (patch) | |
| tree | 18ec2564cbcd1cdab8b2c5d8c0510eabba8462c5 /fs/udf/file.c | |
| parent | d5abfb1b7b26086db19ee430dea7282f01d4ef44 (diff) | |
udf: Convert in-ICB files to use udf_write_begin()
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_write_begin().
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 6bab6aa7770a..16aecf4b2387 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_write_begin(struct file *file, - struct address_space *mapping, loff_t pos, - unsigned len, struct page **pagep, - void **fsdata) -{ - struct page *page; - - if (WARN_ON_ONCE(pos >= PAGE_SIZE)) - return -EIO; - page = grab_cache_page_write_begin(mapping, 0); - if (!page) - return -ENOMEM; - *pagep = page; - - if (!PageUptodate(page)) - udf_adinicb_readpage(page); - return 0; -} - static int udf_adinicb_write_end(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned copied, struct page *page, void *fsdata) @@ -95,7 +76,7 @@ const struct address_space_operations udf_adinicb_aops = { .invalidate_folio = block_invalidate_folio, .read_folio = udf_read_folio, .writepages = udf_writepages, - .write_begin = udf_adinicb_write_begin, + .write_begin = udf_write_begin, .write_end = udf_adinicb_write_end, .direct_IO = udf_direct_IO, }; |