diff options
Diffstat (limited to 'fs/iomap/direct-io.c')
| -rw-r--r-- | fs/iomap/direct-io.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c index e4c258a2cefc..e2c4991833b8 100644 --- a/fs/iomap/direct-io.c +++ b/fs/iomap/direct-io.c @@ -279,11 +279,8 @@ iomap_dio_bio_actor(struct inode *inode, loff_t pos, loff_t length, orig_count = iov_iter_count(dio->submit.iter); iov_iter_truncate(dio->submit.iter, length); - nr_pages = iov_iter_npages(dio->submit.iter, BIO_MAX_PAGES); - if (nr_pages <= 0) { - ret = nr_pages; + if (!iov_iter_count(dio->submit.iter)) goto out; - } if (need_zeroout) { /* zero out from the start of the block to the write offset */ @@ -299,6 +296,7 @@ iomap_dio_bio_actor(struct inode *inode, loff_t pos, loff_t length, */ bio_opf = iomap_dio_bio_opflags(dio, iomap, use_fua); + nr_pages = bio_iov_vecs_to_alloc(dio->submit.iter, BIO_MAX_PAGES); do { size_t n; if (dio->error) { @@ -339,7 +337,8 @@ iomap_dio_bio_actor(struct inode *inode, loff_t pos, loff_t length, dio->size += n; copied += n; - nr_pages = iov_iter_npages(dio->submit.iter, BIO_MAX_PAGES); + nr_pages = bio_iov_vecs_to_alloc(dio->submit.iter, + BIO_MAX_PAGES); iomap_dio_submit_bio(dio, iomap, bio, pos); pos += n; } while (nr_pages); |