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Message-Id: <20240127015825.1608160-27-yi.zhang@huaweicloud.com> Date: Sat, 27 Jan 2024 09:58:25 +0800 From: Zhang Yi <yi.zhang@...weicloud.com> To: linux-ext4@...r.kernel.org Cc: linux-fsdevel@...r.kernel.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org, tytso@....edu, adilger.kernel@...ger.ca, jack@...e.cz, ritesh.list@...il.com, hch@...radead.org, djwong@...nel.org, willy@...radead.org, zokeefe@...gle.com, yi.zhang@...wei.com, yi.zhang@...weicloud.com, chengzhihao1@...wei.com, yukuai3@...wei.com, wangkefeng.wang@...wei.com Subject: [RFC PATCH v3 26/26] ext4: enable large folio for regular file with iomap buffered IO path From: Zhang Yi <yi.zhang@...wei.com> After we convert buffered IO path to iomap for regular files, we can enable large foilo for them together, that should be able to bring a lot of performance gains for large IO. Signed-off-by: Zhang Yi <yi.zhang@...wei.com> --- fs/ext4/ialloc.c | 4 +++- fs/ext4/inode.c | 4 +++- fs/ext4/move_extent.c | 1 + 3 files changed, 7 insertions(+), 2 deletions(-) diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 956b9d69c559..5a22fe5aa46b 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -1336,8 +1336,10 @@ struct inode *__ext4_new_inode(struct mnt_idmap *idmap, } } - if (ext4_should_use_buffered_iomap(inode)) + if (ext4_should_use_buffered_iomap(inode)) { ext4_set_inode_state(inode, EXT4_STATE_BUFFERED_IOMAP); + mapping_set_large_folios(inode->i_mapping); + } if (ext4_handle_valid(handle)) { ei->i_sync_tid = handle->h_transaction->t_tid; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 30067775e828..a1dbfc2b904c 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5384,8 +5384,10 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino, if (ret) goto bad_inode; - if (ext4_should_use_buffered_iomap(inode)) + if (ext4_should_use_buffered_iomap(inode)) { ext4_set_inode_state(inode, EXT4_STATE_BUFFERED_IOMAP); + mapping_set_large_folios(inode->i_mapping); + } if (S_ISREG(inode->i_mode)) { inode->i_op = &ext4_file_inode_operations; diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index 7a9ca71d4cac..aecd6112d8a2 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -560,6 +560,7 @@ static int ext4_disable_buffered_iomap_aops(struct inode *inode) truncate_inode_pages(inode->i_mapping, 0); ext4_clear_inode_state(inode, EXT4_STATE_BUFFERED_IOMAP); + mapping_clear_large_folios(inode->i_mapping); ext4_set_aops(inode); filemap_invalidate_unlock(inode->i_mapping); -- 2.39.2
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