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path: root/fs/logfs/super.c
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Diffstat (limited to 'fs/logfs/super.c')
-rw-r--r--fs/logfs/super.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/logfs/super.c b/fs/logfs/super.c
index d7c23ed8349a..d651e10a1e9c 100644
--- a/fs/logfs/super.c
+++ b/fs/logfs/super.c
@@ -138,10 +138,14 @@ static int logfs_sb_set(struct super_block *sb, void *_super)
sb->s_fs_info = super;
sb->s_mtd = super->s_mtd;
sb->s_bdev = super->s_bdev;
+#ifdef CONFIG_BLOCK
if (sb->s_bdev)
sb->s_bdi = &bdev_get_queue(sb->s_bdev)->backing_dev_info;
+#endif
+#ifdef CONFIG_MTD
if (sb->s_mtd)
sb->s_bdi = sb->s_mtd->backing_dev_info;
+#endif
return 0;
}
@@ -382,7 +386,7 @@ static struct page *find_super_block(struct super_block *sb)
if (!first || IS_ERR(first))
return NULL;
last = super->s_devops->find_last_sb(sb, &super->s_sb_ofs[1]);
- if (!last || IS_ERR(first)) {
+ if (!last || IS_ERR(last)) {
page_cache_release(first);
return NULL;
}
@@ -413,7 +417,7 @@ static int __logfs_read_sb(struct super_block *sb)
page = find_super_block(sb);
if (!page)
- return -EIO;
+ return -EINVAL;
ds = page_address(page);
super->s_size = be64_to_cpu(ds->ds_filesystem_size);