linux-ext4 - [PATCH v2 08/12] fs: drop redundant check from __writeback_single

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Date:   Fri,  8 Jan 2021 23:58:59 -0800
From:   Eric Biggers <ebiggers@...nel.org>
To:     linux-fsdevel@...r.kernel.org
Cc:     linux-xfs@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        Theodore Ts'o <tytso@....edu>, Christoph Hellwig <hch@....de>
Subject: [PATCH v2 08/12] fs: drop redundant check from __writeback_single_inode()

From: Eric Biggers <ebiggers@...gle.com>

wbc->for_sync implies wbc->sync_mode == WB_SYNC_ALL, so there's no need
to check for both.  Just check for WB_SYNC_ALL.

Signed-off-by: Eric Biggers <ebiggers@...gle.com>
---
 fs/fs-writeback.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 80ee9816d9df5..cee1df6e3bd43 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1479,7 +1479,7 @@ __writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
 	 * change I_DIRTY_TIME into I_DIRTY_SYNC.
 	 */
 	if ((inode->i_state & I_DIRTY_TIME) &&
-	    (wbc->sync_mode == WB_SYNC_ALL || wbc->for_sync ||
+	    (wbc->sync_mode == WB_SYNC_ALL ||
 	     time_after(jiffies, inode->dirtied_time_when +
 			dirtytime_expire_interval * HZ))) {
 		trace_writeback_lazytime(inode);
-- 
2.30.0