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Aivazian" , David Sterba , OGAWA Hirofumi , Muchun Song , Oscar Salvador , David Hildenbrand , linux-mm@kvack.org, linux-aio@kvack.org, Benjamin LaHaise , Jan Kara Subject: [PATCH 07/32] bfs: Sync and invalidate metadata buffers from bfs_evict_inode() Date: Tue, 3 Mar 2026 11:33:56 +0100 Message-ID: <20260303103406.4355-39-jack@suse.cz> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260303101717.27224-1-jack@suse.cz> References: <20260303101717.27224-1-jack@suse.cz> Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=801; i=jack@suse.cz; h=from:subject; bh=K9wrCKmeO7BfHLYf4wsyZtDcyuSx9fmOTys9wQHOC9M=; b=owEBbQGS/pANAwAIAZydqgc/ZEDZAcsmYgBpprkjZOEr4SoMR6litD6xJZ9vyOu7Qv8MRlaIP MceIDomSlWJATMEAAEIAB0WIQSrWdEr1p4yirVVKBycnaoHP2RA2QUCaaa5IwAKCRCcnaoHP2RA 2VB+CADgFJh19nlSbb70V3fRZwmBUEdqZKelbD2FwM1YKdE3CysN9YBk3d+n0xXje5DqWmFag7J CxfH7uwKQu1nkTgmg+d3F0Ykl3vPQVHl1hA33iwJP/xJWFW2W4lQjysTSuRfixonmgSXdix48eW +LiYGnMgXGA6ywu9FKZ4mrqy9/DP+Xntvp6P98n+Sl5btTcyfCxHgL774GZz9EQ5iFewtj6l0ad 2TGEA8v4kTLREsHeER1VFM3L8LOfwT/7/vrigo9gLT9URxDK1F3nsy8O40f/UX+DZy2n9fg2zf0 sJFonpT5GTYRGT6Ot4tf8e2X7k4qszNew0ctiXB2Zr+DkncM X-Developer-Key: i=jack@suse.cz; a=openpgp; fpr=93C6099A142276A28BBE35D815BC833443038D8C Content-Transfer-Encoding: 8bit X-Spamd-Result: default: False [-5.30 / 50.00]; REPLY(-4.00)[]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-0.999]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_TWELVE(0.00)[15]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_CC(0.00)[kernel.org,ZenIV.linux.org.uk,vger.kernel.org,mit.edu,gmail.com,suse.com,mail.parknet.co.jp,linux.dev,suse.de,kvack.org,suse.cz]; FROM_HAS_DN(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo]; RCVD_TLS_LAST(0.00)[]; TAGGED_RCPT(0.00)[]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; R_RATELIMIT(0.00)[to_ip_from(RLck8brw5hxmszoarioc7838it)]; RCVD_COUNT_THREE(0.00)[3]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Spam-Flag: NO X-Spam-Score: -5.30 X-Spam-Level: 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. Signed-off-by: Jan Kara --- fs/bfs/inode.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index 9da02f5cb6cd..e0e50a9dbe9c 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c @@ -187,6 +187,8 @@ static void bfs_evict_inode(struct inode *inode) dprintf("ino=%08lx\n", ino); truncate_inode_pages_final(&inode->i_data); + if (inode->i_nlink) + sync_mapping_buffers(&inode->i_data); invalidate_inode_buffers(inode); clear_inode(inode); -- 2.51.0