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Mon, 23 Mar 2026 19:07:56 +0800 From: Chenghao Duan To: pasha.tatashin@soleen.com, rppt@kernel.org, pratyush@kernel.org, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: jianghaoran@kylinos.cn, Chenghao Duan Subject: [PATCH v2 4/4] mm/memfd_luo: use i_size_write() to set inode size during retrieve Date: Mon, 23 Mar 2026 19:07:47 +0800 Message-Id: <20260323110747.193569-5-duanchenghao@kylinos.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260323110747.193569-1-duanchenghao@kylinos.cn> References: <20260323110747.193569-1-duanchenghao@kylinos.cn> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: CF9D218000E X-Stat-Signature: 997o6t1hrpdq8xg8yhfm3d91oyhica1o X-Rspam-User: X-Rspamd-Server: rspam05 X-HE-Tag: 1774264083-886892 X-HE-Meta: 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 yYWdrHsx zBwBSgNAj38WWyoJUNDarhnOhbBz3LzJFDy9U99w0cFrmq/KhHT9wfrlqZjKAT2bKHswEdO/Pj/FGbWGXUkrmMj22KtX/CrArxQJJX1Z2Q/NQGxc= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Use i_size_write() instead of directly assigning to inode->i_size when restoring the memfd size in memfd_luo_retrieve(), to keep code consistency. No functional change intended. Reviewed-by: Pasha Tatashin Signed-off-by: Chenghao Duan --- mm/memfd_luo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memfd_luo.c b/mm/memfd_luo.c index bf827e574bec..76edf9a3f5b5 100644 --- a/mm/memfd_luo.c +++ b/mm/memfd_luo.c @@ -499,7 +499,7 @@ static int memfd_luo_retrieve(struct liveupdate_file_op_args *args) } vfs_setpos(file, ser->pos, MAX_LFS_FILESIZE); - file->f_inode->i_size = ser->size; + i_size_write(file_inode(file), ser->size); if (ser->nr_folios) { folios_ser = kho_restore_vmalloc(&ser->folios); -- 2.25.1