f2fs: allow dio read for LFS mode

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

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2016-11-11 12:08:22 -08:00
parent 6ae1be13e8
commit e57e9ae5b1

View File

@ -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);