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| author | Jan Kara <jack@suse.cz> | 2013-06-04 14:41:29 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2013-06-04 14:41:29 -0400 |
| commit | 38b8ff7db4d99ebfabaee81b8747877424d1cf28 (patch) | |
| tree | 0d2be50e387d1bc8b750da456c7e15bb7d81b024 | |
| parent | 92e6222dfb85db780ebd8caea6a3f9326c375bc0 (diff) | |
| download | op-kernel-dev-38b8ff7db4d99ebfabaee81b8747877424d1cf28.zip op-kernel-dev-38b8ff7db4d99ebfabaee81b8747877424d1cf28.tar.gz | |
ext4: Remove wait for unwritten extents in ext4_ind_direct_IO()
We don't have to wait for unwritten extent conversion in
ext4_ind_direct_IO() as all writes that happened before DIO are
flushed by the generic code and extent conversion has happened before
we cleared PageWriteback bit.
Reviewed-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| -rw-r--r-- | fs/ext4/indirect.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/fs/ext4/indirect.c b/fs/ext4/indirect.c index f7742f0..2a1f8a5 100644 --- a/fs/ext4/indirect.c +++ b/fs/ext4/indirect.c @@ -675,11 +675,6 @@ ssize_t ext4_ind_direct_IO(int rw, struct kiocb *iocb, retry: if (rw == READ && ext4_should_dioread_nolock(inode)) { - if (unlikely(atomic_read(&EXT4_I(inode)->i_unwritten))) { - mutex_lock(&inode->i_mutex); - ext4_flush_unwritten_io(inode); - mutex_unlock(&inode->i_mutex); - } /* * Nolock dioread optimization may be dynamically disabled * via ext4_inode_block_unlocked_dio(). Check inode's state |
