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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> 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-Rspamd-Queue-Id: 69CEE1C0004 X-Stat-Signature: ewunmn1orr9j9dp6s6t7fzqo7k7pjrd7 X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1774014216-907057 X-HE-Meta: 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 S+ywnwe+ 44nrBKUeo9Ce2zfI9nA63ROVgWEFrtE7RX9UOgo+1638YUxXci4YCkFNx3ZJrzyibo5le+lB+apk3CoktLU6+cSX97nmo4j7Qx9guwpqn6T9vDzXhdzZ8TI3ZjMQLUo9z6dYw1J0NPAyewxBWiiMQYQbjYpu1sgzdZEFDe/IcwWFcEihnrQxHrYgE5+fKwmE5fRH3vz/ahMKSiOqOvYtuWuhdiEPDZ9NCp4P07hg9oE1wMd2npwElMEx5cXA+BKDIXsHQkesP5qePaT8cV3OBBKqAio4z7h/wRcnDRINfYh8VMSR8GdbtDHxgWg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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