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__blockdev_direct_IO(): get rid of submit_io callback 

always NULL...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2023-01-19 19:22:22 -05:00
parent fe15c26ee2
commit 0aaf08de84
3 changed files with 5 additions and 10 deletions
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9
fs/direct-io.c
View File

@ -86,7 +86,6 @@ struct dio_submit {
sector_t final_block_in_request;/* doesn't change */
int boundary; /* prev block is at a boundary */
get_block_t *get_block; /* block mapping function */
dio_submit_t *submit_io; /* IO submition function */
loff_t logical_offset_in_bio; /* current first logical block in bio */
sector_t final_block_in_bio; /* current final block in bio + 1 */
@ -431,10 +430,7 @@ static inline void dio_bio_submit(struct dio *dio, struct dio_submit *sdio)
dio->bio_disk = bio->bi_bdev->bd_disk;
if (sdio->submit_io)
sdio->submit_io(bio, dio->inode, sdio->logical_offset_in_bio);
else
submit_bio(bio);
submit_bio(bio);
sdio->bio = NULL;
sdio->boundary = 0;
@ -1098,7 +1094,7 @@ static inline int drop_refcount(struct dio *dio)
ssize_t __blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
struct block_device *bdev, struct iov_iter *iter,
get_block_t get_block, dio_iodone_t end_io,
dio_submit_t submit_io, int flags)
int flags)
{
unsigned i_blkbits = READ_ONCE(inode->i_blkbits);
unsigned blkbits = i_blkbits;
@ -1215,7 +1211,6 @@ ssize_t __blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
sdio.get_block = get_block;
dio->end_io = end_io;
sdio.submit_io = submit_io;
sdio.final_block_in_bio = -1;
sdio.next_block_for_io = -1;

2
fs/ocfs2/aops.c
View File

@ -2448,7 +2448,7 @@ static ssize_t ocfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
return __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev,
iter, get_block,
ocfs2_dio_end_io, NULL, 0);
ocfs2_dio_end_io, 0);
}
const struct address_space_operations ocfs2_aops = {

4
include/linux/fs.h
View File

@ -2778,7 +2778,7 @@ enum {
ssize_t __blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
struct block_device *bdev, struct iov_iter *iter,
get_block_t get_block,
dio_iodone_t end_io, dio_submit_t submit_io,
dio_iodone_t end_io,
int flags);
static inline ssize_t blockdev_direct_IO(struct kiocb *iocb,
@ -2787,7 +2787,7 @@ static inline ssize_t blockdev_direct_IO(struct kiocb *iocb,
get_block_t get_block)
{
return __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev, iter,
get_block, NULL, NULL, DIO_LOCKING | DIO_SKIP_HOLES);
get_block, NULL, DIO_LOCKING | DIO_SKIP_HOLES);
}
#endif