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authorLinus Torvalds <torvalds@linux-foundation.org>2022-08-03 13:50:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-08-03 13:50:22 -0700
commit5264406cdb66c7003eb3edf53c9773b1b20611b9 (patch)
treee94f76f64a0b3b45dcb9f9bec85cce2ba78e1221 /fs/zonefs
parent200e340f2196d7fd427a5810d06e893b932f145a (diff)
parentdd45ab9dd28c82fc495d98cd9788666fd8d76b99 (diff)
downloadlwn-5264406cdb66c7003eb3edf53c9773b1b20611b9.tar.gz
lwn-5264406cdb66c7003eb3edf53c9773b1b20611b9.zip
Merge tag 'pull-work.iov_iter-base' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs iov_iter updates from Al Viro: "Part 1 - isolated cleanups and optimizations. One of the goals is to reduce the overhead of using ->read_iter() and ->write_iter() instead of ->read()/->write(). new_sync_{read,write}() has a surprising amount of overhead, in particular inside iocb_flags(). That's the explanation for the beginning of the series is in this pile; it's not directly iov_iter-related, but it's a part of the same work..." * tag 'pull-work.iov_iter-base' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: first_iovec_segment(): just return address iov_iter: massage calling conventions for first_{iovec,bvec}_segment() iov_iter: first_{iovec,bvec}_segment() - simplify a bit iov_iter: lift dealing with maxpages out of first_{iovec,bvec}_segment() iov_iter_get_pages{,_alloc}(): cap the maxsize with MAX_RW_COUNT iov_iter_bvec_advance(): don't bother with bvec_iter copy_page_{to,from}_iter(): switch iovec variants to generic keep iocb_flags() result cached in struct file iocb: delay evaluation of IS_SYNC(...) until we want to check IOCB_DSYNC struct file: use anonymous union member for rcuhead and llist btrfs: use IOMAP_DIO_NOSYNC teach iomap_dio_rw() to suppress dsync No need of likely/unlikely on calls of check_copy_size()
Diffstat (limited to 'fs/zonefs')
-rw-r--r--fs/zonefs/super.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index c5fa8adfb7a6..fcdc4bad95c5 100644
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -779,7 +779,7 @@ static ssize_t zonefs_file_dio_append(struct kiocb *iocb, struct iov_iter *from)
REQ_OP_ZONE_APPEND | REQ_SYNC | REQ_IDLE, GFP_NOFS);
bio->bi_iter.bi_sector = zi->i_zsector;
bio->bi_ioprio = iocb->ki_ioprio;
- if (iocb->ki_flags & IOCB_DSYNC)
+ if (iocb_is_dsync(iocb))
bio->bi_opf |= REQ_FUA;
ret = bio_iov_iter_get_pages(bio, from);