linux-ext4 - [PATCH -next] ext4: Fix jbd2_journal_shrink_scan() and jbd2_journal_shrink

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Date:   Mon, 10 Jan 2022 11:02:29 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     tytso@....edu
Cc:     jack@...e.com, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org, Yang Li <yang.lee@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH -next] ext4: Fix jbd2_journal_shrink_scan() and jbd2_journal_shrink_count() kernel-doc comment

Add the description of @shrink and @sc in jbd2_journal_shrink_scan() and
jbd2_journal_shrink_count() kernel-doc comment to remove warnings found
by running scripts/kernel-doc, which is caused by using 'make W=1'.
fs/jbd2/journal.c:1296: warning: Function parameter or member 'shrink'
not described in 'jbd2_journal_shrink_scan'
fs/jbd2/journal.c:1296: warning: Function parameter or member 'sc' not
described in 'jbd2_journal_shrink_scan'
fs/jbd2/journal.c:1320: warning: Function parameter or member 'shrink'
not described in 'jbd2_journal_shrink_count'
fs/jbd2/journal.c:1320: warning: Function parameter or member 'sc' not
described in 'jbd2_journal_shrink_count'

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 fs/jbd2/journal.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index f13d548e4a7f..951e6382a884 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -1287,6 +1287,8 @@ static int jbd2_min_tag_size(void)

 /**
  * jbd2_journal_shrink_scan()
+ * @shrink: A callback you can register to apply pressure to ageable caches.
+ * @sc: pass information from page reclaim to the shrinkers.
  *
  * Scan the checkpointed buffer on the checkpoint list and release the
  * journal_head.
@@ -1312,6 +1314,8 @@ static unsigned long jbd2_journal_shrink_scan(struct shrinker *shrink,

 /**
  * jbd2_journal_shrink_count()
+ * @shrink: A callback you can register to apply pressure to ageable caches.
+ * @sc: pass information from page reclaim to the shrinkers.
  *
  * Count the number of checkpoint buffers on the checkpoint list.
  */
-- 
2.20.1.7.g153144c