Hi Linus,
please pull:
git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2.git for-linus
to grab the following bug-fixes, one regression fix of the latest rc1
and a generic fix for list corruption/oops in an error path.
Thanks,
Ryusuke Konishi
--
The following changes since commit da5cabf80e2433131bf0ed8993abc0f7ea618c73:
Linus Torvalds (1):
Linux 2.6.36-rc1
Ryusuke Konishi (2):
nilfs2: fix list corruption after ifile creation failure
nilfs2: fix false warning saying one of two super blocks is broken
fs/nilfs2/super.c | 4 +++-
fs/nilfs2/the_nilfs.c | 4 ++--
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 1fa86b9..bee60c0 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -400,9 +400,10 @@ int nilfs_attach_checkpoint(struct nilfs_sb_info *sbi,
__u64 cno)
list_add(&sbi->s_list, &nilfs->ns_supers);
up_write(&nilfs->ns_super_sem);
+ err = -ENOMEM;
sbi->s_ifile = nilfs_ifile_new(sbi, nilfs->ns_inode_size);
if (!sbi->s_ifile)
- return -ENOMEM;
+ goto delist;
down_read(&nilfs->ns_segctor_sem);
err = nilfs_cpfile_get_checkpoint(nilfs->ns_cpfile, cno, 0, &raw_cp,
@@ -433,6 +434,7 @@ int nilfs_attach_checkpoint(struct nilfs_sb_info *sbi,
__u64 cno)
nilfs_mdt_destroy(sbi->s_ifile);
sbi->s_ifile = NULL;
+ delist:
down_write(&nilfs->ns_super_sem);
list_del_init(&sbi->s_list);
up_write(&nilfs->ns_super_sem);
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 37de1f0..6af1c00 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -608,11 +608,11 @@ static int nilfs_load_super_block(struct the_nilfs *nilfs,
return -EINVAL;
}
- if (swp) {
+ if (!valid[!swp])
printk(KERN_WARNING "NILFS warning: broken superblock. "
"using spare superblock.\n");
+ if (swp)
nilfs_swap_super_block(nilfs);
- }
nilfs->ns_sbwcount = 0;
nilfs->ns_sbwtime = le64_to_cpu(sbp[0]->s_wtime);
--
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