ext4: Remove code handling bio_alloc failure with __GFP_WAIT

Remove code handling bio_alloc failure with __GFP_WAIT.
GFP_NOIO implies __GFP_WAIT.

Signed-off-by: Nikanth Karthikesan <knikanth@suse.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 6132353..2a1cb09 100644 (file)
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2416,8 +2416,6 @@ static int ext4_ext_zeroout(struct inode *inode, struct ext4_extent *ex)
                        len = ee_len;
 
                bio = bio_alloc(GFP_NOIO, len);
-               if (!bio)
-                       return -ENOMEM;
                bio->bi_sector = ee_pblock;
                bio->bi_bdev   = inode->i_sb->s_bdev;