Defined in 1 files as a function:
Referenced in 5 files:
- fs/btrfs/compression.c, line 570
- fs/btrfs/extent_io.c, line 1123
- fs/btrfs/inode.c, line 9856
- fs/btrfs/tests/inode-tests.c
- fs/btrfs/tree-log.c, line 5134
Smatch caller information:
fs/btrfs/tree-log.c log_one_extent() -> btrfs_extent_map_compression()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | em | 4096-ptr_max |
| DATA_SOURCE | 0 | em | $2 |
fs/btrfs/inode.c btrfs_encoded_read() -> btrfs_extent_map_compression()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | em | 4096-ptr_max |
| PARAM_VALUE | 0 | em->flags | 2-u32max |
| CAPPED_DATA | 0 | em->disk_num_bytes | 1 |
| CAPPED_DATA | 0 | em->start | 1 |
| DATA_SOURCE | 0 | em | r btrfs_get_extent |
| CAPABLE | 0 | 21 | |
| BIT_INFO | 0 | em->flags | 0x0,0xffffffef |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | em->len | |
| NO_OVERFLOW_SIMPLE | 0 | em->start | |
| LOCK2 | &inode->vfs_inode.i_rwsem | ||
| TYPE_LOCK | (struct inode)->i_rwsem |
fs/btrfs/extent_io.c btrfs_do_readpage() -> btrfs_extent_map_compression()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | em | 4096-ptr_max |
| CAPPED_DATA | 0 | em->start | 1 |
| DATA_SOURCE | 0 | em | r get_extent_map |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | em->len | |
| NO_OVERFLOW_SIMPLE | 0 | em->start |
fs/btrfs/compression.c btrfs_submit_compressed_read() -> btrfs_extent_map_compression()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | em | 4096-ptr_max |
| PARAM_VALUE | 0 | em->flags | 2-u32max |
| CAPPED_DATA | 0 | em->start | 1 |
| DATA_SOURCE | 0 | em | r btrfs_lookup_extent_mapping |
| RX_PATH | |||
| TASK_NOT_RUNNING |