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authorJohannes Thumshirn <johannes.thumshirn@wdc.com>2020-07-16 19:37:23 +0900
committerDamien Le Moal <damien.lemoal@wdc.com>2020-07-20 17:59:31 +0900
commit89ee72376be23a1029a0c65eff8838c262b01d65 (patch)
tree8761b40863485b21ffcca680d4427d41f1b6dd4b /fs
parent01b2651cfb20ba38429cdb47c68f36e56a2d3cb4 (diff)
zonefs: count pages after truncating the iterator
Count pages after possibly truncating the iterator to the maximum zone append size, not before. Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/zonefs/super.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index e419833107b2..abfb17f88f9a 100644
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -607,14 +607,14 @@ static ssize_t zonefs_file_dio_append(struct kiocb *iocb, struct iov_iter *from)
int nr_pages;
ssize_t ret;
- nr_pages = iov_iter_npages(from, BIO_MAX_PAGES);
- if (!nr_pages)
- return 0;
-
max = queue_max_zone_append_sectors(bdev_get_queue(bdev));
max = ALIGN_DOWN(max << SECTOR_SHIFT, inode->i_sb->s_blocksize);
iov_iter_truncate(from, max);
+ nr_pages = iov_iter_npages(from, BIO_MAX_PAGES);
+ if (!nr_pages)
+ return 0;
+
bio = bio_alloc_bioset(GFP_NOFS, nr_pages, &fs_bio_set);
if (!bio)
return -ENOMEM;