diff options
Diffstat (limited to 'fs/super.c')
| -rw-r--r-- | fs/super.c | 18 |
1 files changed, 10 insertions, 8 deletions
@@ -425,7 +425,7 @@ void sync_supers(void) * mounted on the device given. %NULL is returned if no match is found. */ -struct super_block * get_super(struct block_device *bdev) +struct super_block *get_super(struct block_device *bdev) { struct super_block *sb; @@ -441,13 +441,14 @@ rescan: sb->s_count++; spin_unlock(&sb_lock); down_read(&sb->s_umount); + /* still alive? */ if (sb->s_root) return sb; up_read(&sb->s_umount); - /* restart only when sb is no longer on the list */ + /* nope, got unmounted */ spin_lock(&sb_lock); - if (__put_super_and_need_restart(sb)) - goto rescan; + __put_super(sb); + goto rescan; } } spin_unlock(&sb_lock); @@ -487,7 +488,7 @@ restart: return NULL; } -struct super_block * user_get_super(dev_t dev) +struct super_block *user_get_super(dev_t dev) { struct super_block *sb; @@ -500,13 +501,14 @@ rescan: sb->s_count++; spin_unlock(&sb_lock); down_read(&sb->s_umount); + /* still alive? */ if (sb->s_root) return sb; up_read(&sb->s_umount); - /* restart only when sb is no longer on the list */ + /* nope, got unmounted */ spin_lock(&sb_lock); - if (__put_super_and_need_restart(sb)) - goto rescan; + __put_super(sb); + goto rescan; } } spin_unlock(&sb_lock); |