From: Jan Kara Date: Fri, 30 Sep 2016 05:57:41 +0000 (-0400) Subject: ext4: remove plugging from ext4_file_write_iter() X-Git-Tag: Ubuntu-5.2.0-15.16~8289^2~4 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=51e8137b82622d8ea22e993d613db568f11c1523;p=mirror_ubuntu-eoan-kernel.git ext4: remove plugging from ext4_file_write_iter() do_blockdev_direct_IO() takes care of properly plugging direct IO so there's no need to plug again inside ext4_file_write_iter(). Signed-off-by: Jan Kara Signed-off-by: Theodore Ts'o --- diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 25342c8dd5d6..25f763f2201a 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -92,7 +92,6 @@ static ssize_t ext4_file_write_iter(struct kiocb *iocb, struct iov_iter *from) { struct inode *inode = file_inode(iocb->ki_filp); - struct blk_plug plug; int o_direct = iocb->ki_flags & IOCB_DIRECT; int unaligned_aio = 0; int overwrite = 0; @@ -133,7 +132,6 @@ ext4_file_write_iter(struct kiocb *iocb, struct iov_iter *from) if (o_direct) { size_t length = iov_iter_count(from); loff_t pos = iocb->ki_pos; - blk_start_plug(&plug); /* check whether we do a DIO overwrite or not */ if (ext4_should_dioread_nolock(inode) && !unaligned_aio && @@ -169,8 +167,6 @@ ext4_file_write_iter(struct kiocb *iocb, struct iov_iter *from) if (ret > 0) ret = generic_write_sync(iocb, ret); - if (o_direct) - blk_finish_plug(&plug); return ret;