-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 <heyun...@huawei.com>
---
 fs/f2fs/file.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 6b94f19..6ce27ab 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2939,9 +2939,7 @@ 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


------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel

Reply via email to