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Message-ID: <b46f72a94ae09aa801b3bc2a80d331ffe0648534.1756222465.git.josef@toxicpanda.com>
Date: Tue, 26 Aug 2025 11:39:34 -0400
From: Josef Bacik <josef@...icpanda.com>
To: linux-fsdevel@...r.kernel.org,
linux-btrfs@...r.kernel.org,
kernel-team@...com,
linux-ext4@...r.kernel.org,
linux-xfs@...r.kernel.org,
brauner@...nel.org,
viro@...IV.linux.org.uk,
amir73il@...il.com
Subject: [PATCH v2 34/54] fs: use igrab in drop_pagecache_sb
Just use igrab to see if the inode is valid instead of checking
I_FREEING|I_WILL_FREE.
Signed-off-by: Josef Bacik <josef@...icpanda.com>
---
fs/drop_caches.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index 019a8b4eaaf9..852ccf8e84cb 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -23,18 +23,15 @@ static void drop_pagecache_sb(struct super_block *sb, void *unused)
spin_lock(&sb->s_inode_list_lock);
list_for_each_entry(inode, &sb->s_inodes, i_sb_list) {
spin_lock(&inode->i_lock);
- /*
- * We must skip inodes in unusual state. We may also skip
- * inodes without pages but we deliberately won't in case
- * we need to reschedule to avoid softlockups.
- */
- if ((inode->i_state & (I_FREEING|I_WILL_FREE|I_NEW)) ||
+ if ((inode->i_state & I_NEW) ||
(mapping_empty(inode->i_mapping) && !need_resched())) {
spin_unlock(&inode->i_lock);
continue;
}
- __iget(inode);
spin_unlock(&inode->i_lock);
+
+ if (!igrab(inode))
+ continue;
spin_unlock(&sb->s_inode_list_lock);
invalidate_mapping_pages(inode->i_mapping, 0, -1);
--
2.49.0
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