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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 34/42] ext2: Track metadata bhs in fs-private inode part Date: Thu, 26 Mar 2026 10:54:28 +0100 Message-ID: <20260326095354.16340-76-jack@suse.cz> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260326082428.31660-1-jack@suse.cz> References: <20260326082428.31660-1-jack@suse.cz> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=4123; i=jack@suse.cz; h=from:subject; bh=zcHN97EwD1Y/vlUwirfZ68msBRzbfUd919+cBu1Gy8s=; b=kA0DAAgBnJ2qBz9kQNkByyZiAGnFAk+jrbUrX8v69NsO/nyH/ePXsmPvf0C8YPco8iOLr9wUc okBMwQAAQgAHRYhBKtZ0SvWnjKKtVUoHJydqgc/ZEDZBQJpxQJPAAoJEJydqgc/ZEDZzwIH/Ru0 2AF+/teHTL5QT0y+e7OM1JSXSgtJVvs45IucCcMez844DMUE9ky8I1vCvwsQFDJzoEvJai4ZaNN hvGzJQNe1KukBiOsNsjbkIHfNsH6NHyvL3MqtCP382ebyjrHKTadS9CP2+J2s1XycVtqpHkNTDF U33nQqpPdfiTOqHP26e7n5XjTXbA/PKkFArdlvxlIQbdlcs9kRZMsaEZIFyDcW9+P6lGncdtGLn XLlwF3Z+xXq+FCkwyQCIIN9eQTAk9RzS7Nvcljc8WKpaQCTijjvpiuTT7ltOCY9dcH5HY/2aMPz Rqp32kpQbzXRh/x/Va3tW9q5BUMOXqTSdtRD4G4= X-Developer-Key: i=jack@suse.cz; a=openpgp; fpr=93C6099A142276A28BBE35D815BC833443038D8C Content-Transfer-Encoding: 8bit X-Rspamd-Action: no action X-Rspamd-Queue-Id: 69F9A180009 X-Stat-Signature: 5g1u1oj55hp4zt4f1jbc1jn9fuiueaz8 X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1774519015-436474 X-HE-Meta: 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 3tS7JTga FQL6qpynIdqdOIRlroUKdhZfofZ2Uj2FR1WUE 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/ext2/ext2.h | 1 + fs/ext2/file.c | 6 ++++-- fs/ext2/inode.c | 16 +++++++++------- fs/ext2/super.c | 1 + 4 files changed, 15 insertions(+), 9 deletions(-) diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index 5e0c6c5fcb6c..3eb1f342645c 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -676,6 +676,7 @@ struct ext2_inode_info { #ifdef CONFIG_QUOTA struct dquot __rcu *i_dquot[MAXQUOTAS]; #endif + struct mapping_metadata_bhs i_metadata_bhs; }; /* diff --git a/fs/ext2/file.c b/fs/ext2/file.c index ebe356a38b18..d9b1eb34694a 100644 --- a/fs/ext2/file.c +++ b/fs/ext2/file.c @@ -156,9 +156,11 @@ static int ext2_release_file (struct inode * inode, struct file * filp) int ext2_fsync(struct file *file, loff_t start, loff_t end, int datasync) { int ret; - struct super_block *sb = file->f_mapping->host->i_sb; + struct inode *inode = file->f_mapping->host; + struct super_block *sb = inode->i_sb; - ret = generic_buffers_fsync(file, start, end, datasync); + ret = mmb_fsync(file, &EXT2_I(inode)->i_metadata_bhs, + start, end, datasync); if (ret == -EIO) /* We don't really know where the IO error happened... */ ext2_error(sb, __func__, diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index fb91c61aa6d6..fa33a6e79b93 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -95,9 +95,9 @@ void ext2_evict_inode(struct inode * inode) ext2_truncate_blocks(inode, 0); ext2_xattr_delete_inode(inode); } else { - sync_mapping_buffers(&inode->i_data); + mmb_sync(&EXT2_I(inode)->i_metadata_bhs); } - invalidate_inode_buffers(inode); + mmb_invalidate(&EXT2_I(inode)->i_metadata_bhs); clear_inode(inode); ext2_discard_reservation(inode); @@ -527,7 +527,7 @@ static int ext2_alloc_branch(struct inode *inode, } set_buffer_uptodate(bh); unlock_buffer(bh); - mark_buffer_dirty_inode(bh, inode); + mmb_mark_buffer_dirty(bh, &EXT2_I(inode)->i_metadata_bhs); /* We used to sync bh here if IS_SYNC(inode). * But we now rely upon generic_write_sync() * and b_inode_buffers. But not for directories. @@ -598,7 +598,7 @@ static void ext2_splice_branch(struct inode *inode, /* had we spliced it onto indirect block? */ if (where->bh) - mark_buffer_dirty_inode(where->bh, inode); + mmb_mark_buffer_dirty(where->bh, &EXT2_I(inode)->i_metadata_bhs); inode_set_ctime_current(inode); mark_inode_dirty(inode); @@ -1211,7 +1211,8 @@ static void __ext2_truncate_blocks(struct inode *inode, loff_t offset) if (partial == chain) mark_inode_dirty(inode); else - mark_buffer_dirty_inode(partial->bh, inode); + mmb_mark_buffer_dirty(partial->bh, + &EXT2_I(inode)->i_metadata_bhs); ext2_free_branches(inode, &nr, &nr+1, (chain+n-1) - partial); } /* Clear the ends of indirect blocks on the shared branch */ @@ -1220,7 +1221,8 @@ static void __ext2_truncate_blocks(struct inode *inode, loff_t offset) partial->p + 1, (__le32*)partial->bh->b_data+addr_per_block, (chain+n-1) - partial); - mark_buffer_dirty_inode(partial->bh, inode); + mmb_mark_buffer_dirty(partial->bh, + &EXT2_I(inode)->i_metadata_bhs); brelse (partial->bh); partial--; } @@ -1303,7 +1305,7 @@ static int ext2_setsize(struct inode *inode, loff_t newsize) inode_set_mtime_to_ts(inode, inode_set_ctime_current(inode)); if (inode_needs_sync(inode)) { - sync_mapping_buffers(inode->i_mapping); + mmb_sync(&EXT2_I(inode)->i_metadata_bhs); sync_inode_metadata(inode, 1); } else { mark_inode_dirty(inode); diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 603f2641fe10..4118a3a1f620 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -215,6 +215,7 @@ static struct inode *ext2_alloc_inode(struct super_block *sb) #ifdef CONFIG_QUOTA memset(&ei->i_dquot, 0, sizeof(ei->i_dquot)); #endif + mmb_init(&ei->i_metadata_bhs, &ei->vfs_inode.i_data); return &ei->vfs_inode; } -- 2.51.0