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Date: Thu, 14 May 2015 18:20:44 -0400 From: Theodore Ts'o <tytso@....edu> To: Jörg-Volker Peetz <jvpeetz@....de> Cc: linux-ext4@...r.kernel.org Subject: Re: ext4 lazytime: ctime of some files changed On Wed, May 13, 2015 at 06:20:35PM +0200, Jörg-Volker Peetz wrote: > > Thereafter, the two emacs package files again had a wrong mtime (which by the > way shows when I start emacs). > > Could this be due to the lazytime mount option? I think I found the problem. My bad. Can you verify that this solves the problem for you? >From 8f4d855839179f410fa910a26eb81d646d628f26 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o <tytso@....edu> Date: Thu, 14 May 2015 18:19:01 -0400 Subject: [PATCH] ext4: fix lazytime optimization We had a fencepost error in the lazytime optimization which means that timestamp would get written to the wrong inode. Cc: stable@...r.kernel.org Signed-off-by: Theodore Ts'o <tytso@....edu> --- fs/ext4/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 55b187c..0554b0b 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -4345,7 +4345,7 @@ static void ext4_update_other_inodes_time(struct super_block *sb, int inode_size = EXT4_INODE_SIZE(sb); oi.orig_ino = orig_ino; - ino = orig_ino & ~(inodes_per_block - 1); + ino = (orig_ino & ~(inodes_per_block - 1)) + 1; for (i = 0; i < inodes_per_block; i++, ino++, buf += inode_size) { if (ino == orig_ino) continue; -- 2.3.0 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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