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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 16/41] ext2: Sync and invalidate metadata buffers from ext2_evict_inode() Date: Fri, 20 Mar 2026 14:41:11 +0100 Message-ID: <20260320134100.20731-57-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=828; i=jack@suse.cz; h=from:subject; bh=KCb+G0Cj2eFjBT81lEvc82rl7DfHgEwXKgkjHk8fdQs=; b=owEBbQGS/pANAwAIAZydqgc/ZEDZAcsmYgBpvU55ydADQX+7VdRDW1mPf110GpSWmRUvbEo7O PCx4Adt/5KJATMEAAEIAB0WIQSrWdEr1p4yirVVKBycnaoHP2RA2QUCab1OeQAKCRCcnaoHP2RA 2WT9CADEmXI5rthiKgABVX3c19nJTjLphSGV6BADWmE2kK6bQKwOeDpesrj692xhQP7GwNbQhYQ PtUccviJY4fYPXcWKWq9zoNgDgyEQRQJ/DH6UhVss5pR/wDQBkbfAIiZSE5PhwWGa1MHi1KvGnt DQlw8Z43lFFcdP2L1JyIPan404WZBV738liDi50SohEMbiI8j1j29QZgaoKYvHrf34CJ8VUhEGs pOtNCle+dOF3GK1u37p6HlB9SgZR4GuZYrVhj05PrwFhrGhdKJjhlUTR/DE99rbd9zDFrzrbSPU fX1sWaEfwAnD4CLVEU1W68PCG+NohJQm0Aosfm1LdeAexz5l X-Developer-Key: i=jack@suse.cz; a=openpgp; fpr=93C6099A142276A28BBE35D815BC833443038D8C Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 406844000A X-Rspamd-Server: rspam07 X-Stat-Signature: bqcz6aw46rcnamgntogcb7banomt9uut X-Rspam-User: X-HE-Tag: 1774014163-851191 X-HE-Meta: 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 G/tn5Ce0 XMvFPv7TwFm6LFYHQ16/cvrqz0VMCNJGGwtbqanPniPdkxGW7E53NTucKsVmJI5oiuDmOuDS0uCunT27aOpnaXgCO4qSSywyzCQVU0ZIMONzUHveBjhvEQEqPbWVdQ+i1rDHzaLgajzPRS7Lsoauj33vI6AG1TfCrXhMpe2CjQYfxYu1eNvtk5FhEPtLVXN2ROLDwR0IaagggAsvfv0e4dgbPwOBAYAJCHcVYZhtsy8VcJSkvkAjOh+d4DVhx6tkh28hrnZ1m5UEKdphzDjh85BAKOD3kztD5qfQ3Cr3mR9EHJGS3RPdpBAUAsbtdz2sKB5lPMoq2QfupN3fjmnXiswufC31KaFX7LBdkzXAXio0+YzA= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: There are only very few filesystems using generic metadata buffer head tracking and everybody is paying the overhead. When we remove this tracking for inode reclaim code .evict will start to see inodes with metadata buffers attached so write them out and prune them. Signed-off-by: Jan Kara --- fs/ext2/inode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index dbfe9098a124..fb91c61aa6d6 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -94,8 +94,9 @@ void ext2_evict_inode(struct inode * inode) if (inode->i_blocks) ext2_truncate_blocks(inode, 0); ext2_xattr_delete_inode(inode); + } else { + sync_mapping_buffers(&inode->i_data); } - invalidate_inode_buffers(inode); clear_inode(inode); -- 2.51.0