Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757547Ab1BQSFh (ORCPT ); Thu, 17 Feb 2011 13:05:37 -0500 Received: from e23smtp06.au.ibm.com ([202.81.31.148]:50796 "EHLO e23smtp06.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757442Ab1BQSCT (ORCPT ); Thu, 17 Feb 2011 13:02:19 -0500 From: "Aneesh Kumar K.V" To: v9fs-developer@lists.sourceforge.net Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, "Aneesh Kumar K.V" Subject: [PATCH 01/14] fs/9p: Fix inode i_size update in file_write Date: Thu, 17 Feb 2011 23:31:52 +0530 Message-Id: <1297965725-25603-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1297965725-25603-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1297965725-25603-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1326 Lines: 43 Only update inode i_size when we write towards end of file. Signed-off-by: Aneesh Kumar K.V --- fs/9p/vfs_file.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-) diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index e9cd277..a56a33b 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -451,6 +451,7 @@ v9fs_file_write_internal(struct inode *inode, struct p9_fid *fid, char *data, size_t count, loff_t *offset) { int n; + loff_t i_size; size_t total = 0; struct p9_client *clnt; loff_t origin = *offset; @@ -475,10 +476,12 @@ v9fs_file_write_internal(struct inode *inode, struct p9_fid *fid, char *data, invalidate_inode_pages2_range(inode->i_mapping, pg_start, pg_end); *offset += total; - i_size_write(inode, i_size_read(inode) + total); - inode->i_blocks = (i_size_read(inode) + 512 - 1) >> 9; + i_size = i_size_read(inode); + if (*offset > i_size) { + inode_add_bytes(inode, *offset - i_size); + i_size_write(inode, *offset); + } } - if (n < 0) return n; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/