-f2fs_file_write_iter
-blk_start_plug
-__generic_file_write_iter
...
-do_blockdev_direct_IO
-blk_start_plug
...
-blk_finish_plug
...
-blk_finish_plug
which may conduct performance decrease in our platform
Signed-off-by: Yunlei He <[email protected]>
---
fs/f2fs/file.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 6b94f19..977c800 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2894,7 +2894,6 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb,
struct iov_iter *from)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file_inode(file);
- struct blk_plug plug;
ssize_t ret;
if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
@@ -2939,9 +2938,7 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb,
struct iov_iter *from)
return err;
}
}
- blk_start_plug(&plug);
ret = __generic_file_write_iter(iocb, from);
- blk_finish_plug(&plug);
clear_inode_flag(inode, FI_NO_PREALLOC);
/* if we couldn't write data, we should deallocate blocks. */
--
1.9.1
------------------------------------------------------------------------------
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