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-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;