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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 34/41] bfs: Track metadata bhs in fs-private inode part Date: Fri, 20 Mar 2026 14:41:29 +0100 Message-ID: <20260320134100.20731-75-jack@suse.cz> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260320131728.6449-1-jack@suse.cz> References: <20260320131728.6449-1-jack@suse.cz> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=3109; i=jack@suse.cz; h=from:subject; bh=VGn/pIRcK5eqeKsls80+M3Fo5nsCbthSQy6MRfgwTJE=; b=owEBbQGS/pANAwAIAZydqgc/ZEDZAcsmYgBpvU6JkoTdFIeB5g6YyXAUMYBxuc0lm0vwR57wS 9b2iHYsY0uJATMEAAEIAB0WIQSrWdEr1p4yirVVKBycnaoHP2RA2QUCab1OiQAKCRCcnaoHP2RA 2XhVCAC+YJifHwYZzLl6Oueau4kUtprTKTXcIWWXJushrDVu/nuZDc/4AETd6K4Z0O18UbR7bk6 FsPN6YSkCxd2ivtBVfR9hajkKNv25qeR8JDLdgYyL+hv5p/iFQfjKpZCiopmbCjXMP8qewnqqN1 oZiQVUEfmztaP7RdRwsLOeF/sP46FCRMPdlDo58NkES0loHaVoBhrDemn3NreeUgiBLPFmkkzyU C68I5VkKhwq3V1D4tKOoASV/nqGFP3k6GXF9+HACH4ZaF4ibWuxpQoGOIVPPg+DnzdDirzQCm16 fABzxAx06tQ3kU1y/raCptDEpbnODHcVOgkyOKEqdWDPWHXH X-Developer-Key: i=jack@suse.cz; a=openpgp; fpr=93C6099A142276A28BBE35D815BC833443038D8C Content-Transfer-Encoding: 8bit X-Spam-Score: -5.30 X-Spam-Level: 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)[-0.998]; MIME_GOOD(-0.10)[text/plain]; TAGGED_RCPT(0.00)[]; RCPT_COUNT_TWELVE(0.00)[16]; FUZZY_RATELIMITED(0.00)[rspamd.com]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_CC(0.00)[vger.kernel.org,kernel.org,ZenIV.linux.org.uk,mit.edu,gmail.com,suse.com,mail.parknet.co.jp,linux.dev,suse.de,kvack.org,suse.cz]; R_RATELIMIT(0.00)[to(RLpnp1psq57oqao6ocwdpbxen9),to_ip_from(RLck8brw5hxmszoarioc7838it)]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_LAST(0.00)[]; FROM_HAS_DN(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.cz:mid,suse.cz:email]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Spam-Flag: NO Track metadata bhs for an inode in fs-private part of the inode. Signed-off-by: Jan Kara --- fs/bfs/bfs.h | 1 + fs/bfs/dir.c | 16 ++++++++++++---- fs/bfs/inode.c | 6 ++++-- 3 files changed, 17 insertions(+), 6 deletions(-) diff --git a/fs/bfs/bfs.h b/fs/bfs/bfs.h index 606f9378b2f0..b08afe733e63 100644 --- a/fs/bfs/bfs.h +++ b/fs/bfs/bfs.h @@ -35,6 +35,7 @@ struct bfs_inode_info { unsigned long i_dsk_ino; /* inode number from the disk, can be 0 */ unsigned long i_sblock; unsigned long i_eblock; + struct mapping_metadata_bhs i_metadata_bhs; struct inode vfs_inode; }; diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c index 1b140981dbf3..1dbce745d1ad 100644 --- a/fs/bfs/dir.c +++ b/fs/bfs/dir.c @@ -68,10 +68,17 @@ static int bfs_readdir(struct file *f, struct dir_context *ctx) return 0; } +static int bfs_fsync(struct file *file, loff_t start, loff_t end, int datasync) +{ + return generic_mmb_fsync(file, + &BFS_I(file->f_mapping->host)->i_metadata_bhs, + start, end, datasync); +} + const struct file_operations bfs_dir_operations = { .read = generic_read_dir, .iterate_shared = bfs_readdir, - .fsync = generic_buffers_fsync, + .fsync = bfs_fsync, .llseek = generic_file_llseek, }; @@ -186,7 +193,7 @@ static int bfs_unlink(struct inode *dir, struct dentry *dentry) set_nlink(inode, 1); } de->ino = 0; - mark_buffer_dirty_inode(bh, dir); + mmb_mark_buffer_dirty(bh, &BFS_I(dir)->i_metadata_bhs); inode_set_mtime_to_ts(dir, inode_set_ctime_current(dir)); mark_inode_dirty(dir); inode_set_ctime_to_ts(inode, inode_get_ctime(dir)); @@ -246,7 +253,7 @@ static int bfs_rename(struct mnt_idmap *idmap, struct inode *old_dir, inode_set_ctime_current(new_inode); inode_dec_link_count(new_inode); } - mark_buffer_dirty_inode(old_bh, old_dir); + mmb_mark_buffer_dirty(old_bh, &BFS_I(old_dir)->i_metadata_bhs); error = 0; end_rename: @@ -296,7 +303,8 @@ static int bfs_add_entry(struct inode *dir, const struct qstr *child, int ino) for (i = 0; i < BFS_NAMELEN; i++) de->name[i] = (i < namelen) ? name[i] : 0; - mark_buffer_dirty_inode(bh, dir); + mmb_mark_buffer_dirty(bh, + &BFS_I(dir)->i_metadata_bhs); brelse(bh); return 0; } diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index e0e50a9dbe9c..89f3da14e8c6 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c @@ -188,8 +188,8 @@ static void bfs_evict_inode(struct inode *inode) truncate_inode_pages_final(&inode->i_data); if (inode->i_nlink) - sync_mapping_buffers(&inode->i_data); - invalidate_inode_buffers(inode); + mmb_sync_buffers(&BFS_I(inode)->i_metadata_bhs); + mmb_invalidate_buffers(&BFS_I(inode)->i_metadata_bhs); clear_inode(inode); if (inode->i_nlink) @@ -259,6 +259,8 @@ static struct inode *bfs_alloc_inode(struct super_block *sb) bi = alloc_inode_sb(sb, bfs_inode_cachep, GFP_KERNEL); if (!bi) return NULL; + mmb_init(&bi->i_metadata_bhs, &bi->vfs_inode.i_data); + return &bi->vfs_inode; } -- 2.51.0