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author | Jan Kara <jack@suse.cz> | 2023-01-24 12:07:37 +0100 |
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committer | Jan Kara <jack@suse.cz> | 2023-01-26 16:46:35 +0100 |
commit | 60b99a1b9fa731453e1b69a3e0b3e4dcab7a6ea5 (patch) | |
tree | 18ec2564cbcd1cdab8b2c5d8c0510eabba8462c5 /fs/udf/udfdecl.h | |
parent | d5abfb1b7b26086db19ee430dea7282f01d4ef44 (diff) | |
download | lwn-60b99a1b9fa731453e1b69a3e0b3e4dcab7a6ea5.tar.gz lwn-60b99a1b9fa731453e1b69a3e0b3e4dcab7a6ea5.zip |
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/udfdecl.h')
-rw-r--r-- | fs/udf/udfdecl.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index a851613465c6..32decf6b6a21 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -161,6 +161,9 @@ extern void udf_evict_inode(struct inode *); extern int udf_write_inode(struct inode *, struct writeback_control *wbc); int udf_read_folio(struct file *file, struct folio *folio); int udf_writepages(struct address_space *mapping, struct writeback_control *wbc); +int udf_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, + struct page **pagep, void **fsdata); ssize_t udf_direct_IO(struct kiocb *iocb, struct iov_iter *iter); extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, struct kernel_lb_addr *, uint32_t *, sector_t *); |