Use generic handlers to queue fsync() when AIO DIO is completed for O_SYNC
file. Although we use our own bio->end_io function, we call dio_end_io()
from it and thus, because we don't set any specific dio->end_io function,
generic code ends up calling generic_dio_end_io() which is all what we need
for proper O_SYNC AIO DIO handling.
Signed-off-by: Jan Kara <j...@suse.cz>
---
fs/btrfs/inode.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 32214fe..68add6e 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6221,7 +6221,7 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb,
ret = __blockdev_direct_IO(rw, iocb, inode,
BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev,
iov, offset, nr_segs, btrfs_get_blocks_direct, NULL,
- btrfs_submit_direct, 0);
+ btrfs_submit_direct, DIO_SYNC_WRITES);
if (ret < 0 && ret != -EIOCBQUEUED) {
clear_extent_bit(&BTRFS_I(inode)->io_tree, offset,
--
1.7.1
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