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authorEric Sandeen <sandeen@redhat.com>2009-11-16 16:34:51 -0600
committerJan Kara <jack@suse.cz>2009-12-10 15:02:52 +0100
commitb918397542388de75bd86c32fbfa820e5d629fa9 (patch)
treeebb4653a73c48292611396f307b42e17e090f947 /fs/ext3
parentd965736b8cb42ae51ba9c3f13488035a98d025c6 (diff)
downloadlinux-b918397542388de75bd86c32fbfa820e5d629fa9.tar.bz2
ext3: Don't update the superblock in ext3_statfs()
commit a71ce8c6c9bf269b192f352ea555217815cf027e updated ext3_statfs() to update the on-disk superblock counters, but modified this buffer directly without any journaling of the change. This is one of the accesses that was causing the crc errors in journal replay as seen in kernel.org bugzilla #14354. The modifications were originally to keep the sb "more" in sync, so that a readonly fsck of the device didn't flag this as an error (as often), but apparently e2fsprogs deals with this differently now, anyway. Based on Ted's patch for ext4, which was in turn based on my work on that bug and another preliminary patch... Signed-off-by: Eric Sandeen <sandeen@redhat.com> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext3')
-rw-r--r--fs/ext3/super.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 427496c4767c..ca3068fd2346 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2686,13 +2686,11 @@ static int ext3_statfs (struct dentry * dentry, struct kstatfs * buf)
buf->f_bsize = sb->s_blocksize;
buf->f_blocks = le32_to_cpu(es->s_blocks_count) - sbi->s_overhead_last;
buf->f_bfree = percpu_counter_sum_positive(&sbi->s_freeblocks_counter);
- es->s_free_blocks_count = cpu_to_le32(buf->f_bfree);
buf->f_bavail = buf->f_bfree - le32_to_cpu(es->s_r_blocks_count);
if (buf->f_bfree < le32_to_cpu(es->s_r_blocks_count))
buf->f_bavail = 0;
buf->f_files = le32_to_cpu(es->s_inodes_count);
buf->f_ffree = percpu_counter_sum_positive(&sbi->s_freeinodes_counter);
- es->s_free_inodes_count = cpu_to_le32(buf->f_ffree);
buf->f_namelen = EXT3_NAME_LEN;
fsid = le64_to_cpup((void *)es->s_uuid) ^
le64_to_cpup((void *)es->s_uuid + sizeof(u64));