[PATCH 2/2] f2fs: allow dio read for LFS mode

[Jaegeuk Kim <jaegeuk@kernel.org>]

We can allow dio reads for LFS mode, while doing buffered writes for dio writes.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/data.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index ca53da5..996b9ae 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1732,7 +1732,7 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
 
 	if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode))
 		return 0;
-	if (test_opt(F2FS_I_SB(inode), LFS))
+	if (rw == WRITE && test_opt(F2FS_I_SB(inode), LFS))
 		return 0;
 
 	trace_f2fs_direct_IO_enter(inode, offset, count, rw);
-- 
2.8.3


------------------------------------------------------------------------------
Developer Access Program for Intel Xeon Phi Processors
Access to Intel Xeon Phi processor-based developer platforms.
With one year of Intel Parallel Studio XE.
Training and support from Colfax.
Order your platform today. http://sdm.link/xeonphi