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ext4: Sync and invalidate metadata buffers from ext4_evict_inode()

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There are only very few filesystems using generic metadata buffer head
tracking and everybody is paying the overhead. When we remove this
tracking for inode reclaim code .evict will start to see inodes with
metadata buffers attached so write them out and prune them.

Acked-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/20260326095354.16340-61-jack@suse.cz
Tested-by: syzbot@syzkaller.appspotmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Jan Kara
2026-03-26 10:54:13 +01:00
committed by Christian Brauner
parent 4211dc89c3
commit 77ff1ff2f3
2 changed files with 5 additions and 2 deletions
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3
fs/ext4/super.c
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@@ -1524,7 +1524,8 @@ static void destroy_inodecache(void)
void ext4_clear_inode(struct inode *inode)
{
ext4_fc_del(inode);
invalidate_inode_buffers(inode);
if (!EXT4_SB(inode->i_sb)->s_journal)
invalidate_inode_buffers(inode);
clear_inode(inode);
ext4_discard_preallocations(inode);
ext4_es_remove_extent(inode, 0, EXT_MAX_BLOCKS);