Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 2 files:
Smatch caller information:
fs/btrfs/inode.c btrfs_delete_subvolume() -> btrfs_subvolume_reserve_metadata()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | root | 4096-ptr_max |
| PARAM_VALUE | 0 | root->fs_info | 4096-ptr_max |
| PARAM_VALUE | 0 | root->fs_info->subvol_sem.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | root->fs_info->subvol_sem.first_waiter->list.next | 2624917664208203776 |
| PARAM_VALUE | 0 | root->fs_info->subvol_sem.first_waiter->list.prev | 2624917664208203776 |
| PARAM_VALUE | 0 | root->fs_info->subvol_sem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | root->fs_info->subvol_sem.osq.tail.counter | 0-s32max |
| PARAM_VALUE | 0 | root->fs_info->subvol_sem.wait_lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | root->fs_info->subvol_sem.wait_lock.owner | (-1) |
| PARAM_VALUE | 0 | root->fs_info->subvol_sem.wait_lock.owner_cpu | u32max |
| PARAM_VALUE | 1 | rsv | 3711201549651345408 |
| PARAM_VALUE | 1 | rsv->failfast | 0 |
| PARAM_VALUE | 1 | rsv->full | 0 |
| PARAM_VALUE | 1 | rsv->qgroup_rsv_reserved | 0 |
| PARAM_VALUE | 1 | rsv->reserved | 0 |
| PARAM_VALUE | 1 | rsv->size | 0 |
| PARAM_VALUE | 1 | rsv->space_info | 0 |
| PARAM_VALUE | 1 | rsv->type | 9 |
| PARAM_VALUE | 2 | items | 5 |
| PARAM_VALUE | 3 | use_global_rsv | 1 |
| MEM_ZERO | 1 | rsv | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &fs_info->subvol_sem | ||
| HALF_LOCKED2 | &dentry->d_inode->i_rwsem | ||
| HALF_LOCKED2 | &dentry->d_lockref.lock | ||
| TYPE_LOCK | (struct btrfs_fs_info)->subvol_sem |
fs/btrfs/ioctl.c create_snapshot() -> btrfs_subvolume_reserve_metadata()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | rsv | 4096-ptr_max |
| PARAM_VALUE | 1 | rsv->failfast | 0 |
| PARAM_VALUE | 1 | rsv->full | 0 |
| PARAM_VALUE | 1 | rsv->qgroup_rsv_reserved | 0 |
| PARAM_VALUE | 1 | rsv->qgroup_rsv_size | 0 |
| PARAM_VALUE | 1 | rsv->reserved | 0 |
| PARAM_VALUE | 1 | rsv->size | 0 |
| PARAM_VALUE | 1 | rsv->space_info | 0 |
| PARAM_VALUE | 1 | rsv->type | 9 |
| PARAM_VALUE | 3 | use_global_rsv | 0 |
| BUF_SIZE | 1 | rsv | 120 |
| MEM_ZERO | 1 | rsv | |
| LOCK2 | &fs_info->subvol_sem | ||
| TYPE_LOCK | (struct btrfs_fs_info)->subvol_sem |
fs/btrfs/ioctl.c create_subvol() -> btrfs_subvolume_reserve_metadata()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 1 | rsv | 4955724364588158976 |
| PARAM_VALUE | 1 | rsv->failfast | 0 |
| PARAM_VALUE | 1 | rsv->full | 0 |
| PARAM_VALUE | 1 | rsv->qgroup_rsv_reserved | 0 |
| PARAM_VALUE | 1 | rsv->reserved | 0 |
| PARAM_VALUE | 1 | rsv->size | 0 |
| PARAM_VALUE | 1 | rsv->space_info | 0 |
| PARAM_VALUE | 1 | rsv->type | 9 |
| PARAM_VALUE | 3 | use_global_rsv | 0 |
| MEM_ZERO | 1 | rsv | |
| LOCK2 | &fs_info->subvol_sem | ||
| TYPE_LOCK | (struct btrfs_fs_info)->subvol_sem |