Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubifs-2.6
* 'linux-next' of git://git.infradead.org/~dedekind/ubifs-2.6:
UBIFS: fix printk format warnings
UBIFS: remove incorrect assert
UBIFS: TNC / GC race fixes
UBIFS: create the name of the background thread in every case
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index b9cb774..d7f7645 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -538,7 +538,7 @@
printk(KERN_DEBUG "\t%d orphan inode numbers:\n", n);
for (i = 0; i < n; i++)
printk(KERN_DEBUG "\t ino %llu\n",
- le64_to_cpu(orph->inos[i]));
+ (unsigned long long)le64_to_cpu(orph->inos[i]));
break;
}
default:
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index 2b267c9..526c01e 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -426,7 +426,7 @@
while (1) {
dbg_gen("feed '%s', ino %llu, new f_pos %#x",
- dent->name, le64_to_cpu(dent->inum),
+ dent->name, (unsigned long long)le64_to_cpu(dent->inum),
key_hash_flash(c, &dent->key));
ubifs_assert(dent->ch.sqnum > ubifs_inode(dir)->creat_sqnum);
diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c
index e045c8b..47814cd 100644
--- a/fs/ubifs/find.c
+++ b/fs/ubifs/find.c
@@ -507,7 +507,6 @@
rsvd_idx_lebs = 0;
lebs = c->lst.empty_lebs + c->freeable_cnt + c->idx_gc_cnt -
c->lst.taken_empty_lebs;
- ubifs_assert(lebs + c->lst.idx_lebs >= c->min_idx_lebs);
if (rsvd_idx_lebs < lebs)
/*
* OK to allocate an empty LEB, but we still don't want to go
diff --git a/fs/ubifs/gc.c b/fs/ubifs/gc.c
index 13f1019..02aba36 100644
--- a/fs/ubifs/gc.c
+++ b/fs/ubifs/gc.c
@@ -334,15 +334,15 @@
err = move_nodes(c, sleb);
if (err)
- goto out;
+ goto out_inc_seq;
err = gc_sync_wbufs(c);
if (err)
- goto out;
+ goto out_inc_seq;
err = ubifs_change_one_lp(c, lnum, c->leb_size, 0, 0, 0, 0);
if (err)
- goto out;
+ goto out_inc_seq;
/* Allow for races with TNC */
c->gced_lnum = lnum;
@@ -369,6 +369,14 @@
out:
ubifs_scan_destroy(sleb);
return err;
+
+out_inc_seq:
+ /* We may have moved at least some nodes so allow for races with TNC */
+ c->gced_lnum = lnum;
+ smp_wmb();
+ c->gc_seq += 1;
+ smp_wmb();
+ goto out;
}
/**
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 7562464..3f49020 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1024,14 +1024,13 @@
goto out_dereg;
}
+ sprintf(c->bgt_name, BGT_NAME_PATTERN, c->vi.ubi_num, c->vi.vol_id);
if (!mounted_read_only) {
err = alloc_wbufs(c);
if (err)
goto out_cbuf;
/* Create background thread */
- sprintf(c->bgt_name, BGT_NAME_PATTERN, c->vi.ubi_num,
- c->vi.vol_id);
c->bgt = kthread_create(ubifs_bg_thread, c, c->bgt_name);
if (!c->bgt)
c->bgt = ERR_PTR(-EINVAL);
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index 7da209a..7634c59 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -1476,7 +1476,7 @@
}
err = fallible_read_node(c, key, &zbr, node);
- if (maybe_leb_gced(c, zbr.lnum, gc_seq1)) {
+ if (err <= 0 || maybe_leb_gced(c, zbr.lnum, gc_seq1)) {
/*
* The node may have been GC'ed out from under us so try again
* while keeping the TNC mutex locked.