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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 32/41] ext2: Track metadata bhs in fs-private inode part Date: Fri, 20 Mar 2026 14:41:27 +0100 Message-ID: <20260320134100.20731-73-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=4156; i=jack@suse.cz; h=from:subject; bh=aRvj4AtIW+ddyd7UxwbPw41jZ9lNjYBY0OWJr0OT+ZQ=; b=owEBbQGS/pANAwAIAZydqgc/ZEDZAcsmYgBpvU6H7CaeB32tQjJNhqeawy4/l/6sm7mJJ+IL7 /s5ToIoGN+JATMEAAEIAB0WIQSrWdEr1p4yirVVKBycnaoHP2RA2QUCab1OhwAKCRCcnaoHP2RA 2QHZB/9+wZG/S4W1bL987nyIE4g21LzXGKf9ozYzcj8lrO9KHnal5LDi+7tfr41ET2QNORSkw59 VEih7xn49DZ6lmBCFxEVSI2NVIIay/Ua741x+g7dpohVclYnboKtLzwA/VA7f+uzLLabH/7kR0y ITGOB3aUTQtUGVad7mt6AtAnP8CjTx5DtJW3AHiLEneIBPz5JP0G9AwqJYJA5UgxdQ+fgqfnnsY gSMpr7IJ0BNofn+Yo8l4CsG90EJ+Qh3FLEFaG1IulNx5CfxHqKopZOgJ70HZ99wKMs6PtYQ+Tzn ZjfFJFrg0CDLrvhw3ZZs/Gm33X8VLAf9aZOn/OspsJ5fv1e0 X-Developer-Key: i=jack@suse.cz; a=openpgp; fpr=93C6099A142276A28BBE35D815BC833443038D8C Content-Transfer-Encoding: 8bit X-Stat-Signature: aj15uhhop63z15bdqp4esfuorqsna88i X-Rspam-User: X-Rspamd-Queue-Id: 00A1D1A0015 X-Rspamd-Server: rspam12 X-HE-Tag: 1774014207-830561 X-HE-Meta: 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 ofnAumJ3 TXzsj5yijYtTF77vykRPQnvEhL1ndidZWvyZIQH8XdYa58A9E3skFe2F2fofgJzbQcvQSouzltbeem7BjV6sDZOGTWfrMH0uVZoyiLPgB7BiYiPOiPkmfD5dQyCbho/Nl3Jix9qR2FzhvyzIjmfYWN5SbLmD7EwtQkSNWDQKFm6H6ADCxc6rwyF+CvuOklyskjNQP34X6rP5gtmMRk10MnvXVnbLxkLnZqExwJZ/Mq1BnN+91XryZZj6KiuVpvGUejN/ZLELob/BzaPcuTcNYxn7jDZBJNa0pkxCTheI8o1Cz/JHmaiDaSWTqeA== 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..629133f0e8ae 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 = generic_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..dfed87fbbccd 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_buffers(&EXT2_I(inode)->i_metadata_bhs); } - invalidate_inode_buffers(inode); + mmb_invalidate_buffers(&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_buffers(&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