Cc: linux-e...@vger.kernel.org
Signed-off-by: Dmitry Monakhov <dmonak...@openvz.org>
---
 fs/ext4/file.c |   12 +++++-------
 1 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 598abbb..27cf1cc 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -95,7 +95,6 @@ ext4_file_write_iter(struct kiocb *iocb, struct iov_iter 
*from)
        struct inode *inode = file_inode(iocb->ki_filp);
        struct mutex *aio_mutex = NULL;
        struct blk_plug plug;
-       int o_direct = io_is_direct(file);
        int overwrite = 0;
        size_t length = iov_iter_count(from);
        ssize_t ret;
@@ -105,18 +104,17 @@ ext4_file_write_iter(struct kiocb *iocb, struct iov_iter 
*from)
         * Unaligned direct AIO must be serialized; see comment above
         * In the case of O_APPEND, assume that we must always serialize
         */
-       if (o_direct &&
+       if (is_direct_kiocb(iocb) &&
            ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS) &&
            !is_sync_kiocb(iocb) &&
-           (file->f_flags & O_APPEND ||
-            ext4_unaligned_aio(inode, from, pos))) {
+           (is_append_kiocb(iocb) || ext4_unaligned_aio(inode, from, pos))) {
                aio_mutex = ext4_aio_mutex(inode);
                mutex_lock(aio_mutex);
                ext4_unwritten_wait(inode);
        }
 
        mutex_lock(&inode->i_mutex);
-       if (file->f_flags & O_APPEND)
+       if (is_append_kiocb(iocb))
                iocb->ki_pos = pos = i_size_read(inode);
 
        /*
@@ -138,7 +136,7 @@ ext4_file_write_iter(struct kiocb *iocb, struct iov_iter 
*from)
        }
 
        iocb->private = &overwrite;
-       if (o_direct) {
+       if (is_direct_kiocb(iocb)) {
                blk_start_plug(&plug);
 
 
@@ -182,7 +180,7 @@ ext4_file_write_iter(struct kiocb *iocb, struct iov_iter 
*from)
                if (err < 0)
                        ret = err;
        }
-       if (o_direct)
+       if (is_direct_kiocb(iocb))
                blk_finish_plug(&plug);
 
 errout:
-- 
1.7.1

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