diff options
Diffstat (limited to 'fs/super.c')
| -rw-r--r-- | fs/super.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/fs/super.c b/fs/super.c index e20b5580afd5..8743e9bbb297 100644 --- a/fs/super.c +++ b/fs/super.c @@ -55,11 +55,10 @@ DEFINE_SPINLOCK(sb_lock); */ static struct super_block *alloc_super(void) { - struct super_block *s = kmalloc(sizeof(struct super_block), GFP_USER); + struct super_block *s = kzalloc(sizeof(struct super_block), GFP_USER); static struct super_operations default_op; if (s) { - memset(s, 0, sizeof(struct super_block)); if (security_sb_alloc(s)) { kfree(s); s = NULL; @@ -76,9 +75,9 @@ static struct super_block *alloc_super(void) down_write(&s->s_umount); s->s_count = S_BIAS; atomic_set(&s->s_active, 1); - sema_init(&s->s_vfs_rename_sem,1); - sema_init(&s->s_dquot.dqio_sem, 1); - sema_init(&s->s_dquot.dqonoff_sem, 1); + mutex_init(&s->s_vfs_rename_mutex); + mutex_init(&s->s_dquot.dqio_mutex); + mutex_init(&s->s_dquot.dqonoff_mutex); init_rwsem(&s->s_dquot.dqptr_sem); init_waitqueue_head(&s->s_wait_unfrozen); s->s_maxbytes = MAX_NON_LFS; @@ -693,9 +692,9 @@ struct super_block *get_sb_bdev(struct file_system_type *fs_type, * will protect the lockfs code from trying to start a snapshot * while we are mounting */ - down(&bdev->bd_mount_sem); + mutex_lock(&bdev->bd_mount_mutex); s = sget(fs_type, test_bdev_super, set_bdev_super, bdev); - up(&bdev->bd_mount_sem); + mutex_unlock(&bdev->bd_mount_mutex); if (IS_ERR(s)) goto out; @@ -712,7 +711,7 @@ struct super_block *get_sb_bdev(struct file_system_type *fs_type, s->s_flags = flags; strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id)); sb_set_blocksize(s, block_size(bdev)); - error = fill_super(s, data, flags & MS_VERBOSE ? 1 : 0); + error = fill_super(s, data, flags & MS_SILENT ? 1 : 0); if (error) { up_write(&s->s_umount); deactivate_super(s); @@ -756,7 +755,7 @@ struct super_block *get_sb_nodev(struct file_system_type *fs_type, s->s_flags = flags; - error = fill_super(s, data, flags & MS_VERBOSE ? 1 : 0); + error = fill_super(s, data, flags & MS_SILENT ? 1 : 0); if (error) { up_write(&s->s_umount); deactivate_super(s); @@ -785,7 +784,7 @@ struct super_block *get_sb_single(struct file_system_type *fs_type, return s; if (!s->s_root) { s->s_flags = flags; - error = fill_super(s, data, flags & MS_VERBOSE ? 1 : 0); + error = fill_super(s, data, flags & MS_SILENT ? 1 : 0); if (error) { up_write(&s->s_umount); deactivate_super(s); |