From: Lachlan McIlroy Date: Fri, 14 Sep 2007 05:22:08 +0000 (+1000) Subject: [XFS] ensure file size is logged on synchronous writes X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5903c4956f7b429f515ba107d9c04bbbe7ce8f9d;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [XFS] ensure file size is logged on synchronous writes Synchronous writes currently log inode changes before syncing pages to disk. Since the file size is updated on I/O completion we wont be writing out the updated file size and if we crash the file will have the wrong size. This change moves the logging after the syncing of the pages to ensure we log the correct file size. SGI-PV: 970334 SGI-Modid: xfs-linux-melb:xfs-kern:29649a Signed-off-by: Lachlan McIlroy Signed-off-by: Christoph Hellwig Signed-off-by: Tim Shimmin --- diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index 5d284403b411..0f54b104a6ee 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -838,20 +838,19 @@ retry: /* Handle various SYNC-type writes */ if ((file->f_flags & O_SYNC) || IS_SYNC(inode)) { - error = xfs_write_sync_logforce(mp, xip); - if (error) - goto out_unlock_internal; - + int error2; xfs_rwunlock(xip, locktype); if (need_i_mutex) mutex_unlock(&inode->i_mutex); - - error = sync_page_range(inode, mapping, pos, ret); + error2 = sync_page_range(inode, mapping, pos, ret); if (!error) - error = -ret; + error = error2; if (need_i_mutex) mutex_lock(&inode->i_mutex); xfs_rwlock(xip, locktype); + error2 = xfs_write_sync_logforce(mp, xip); + if (!error) + error = error2; } out_unlock_internal: