Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 13 files:
- fs/buffer.c
- fs/ext4/inode.c
- fs/ext4/move_extent.c
- fs/gfs2/aops.c, line 110
- fs/gfs2/bmap.c, line 74
- fs/gfs2/meta_io.c, line 150
- fs/gfs2/quota.c, line 760
- fs/mpage.c, line 114
- fs/nilfs2/mdt.c, line 580
- fs/nilfs2/page.c
- fs/nilfs2/segment.c, line 737
- fs/ocfs2/aops.c, line 586
- fs/ufs/util.c, line 221
Smatch caller information:
fs/ext4/move_extent.c mext_folio_mkuptodate() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->host | 4096-ptr_max |
| PARAM_VALUE | 2 | b_state | 0 |
| DATA_SOURCE | 0 | folio | $0 |
| DATA_SOURCE | 1 | blocksize | r i_blocksize |
fs/ext4/move_extent.c mext_folio_mkwrite() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 2 | b_state | 0 |
| DATA_SOURCE | 0 | folio | $1 |
| DATA_SOURCE | 1 | blocksize | r i_blocksize |
fs/nilfs2/page.c __nilfs_get_folio_block() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 1 | blocksize | 0-s32max,18446744071562067968-u64max |
| PARAM_VALUE | 2 | b_state | 0,262144 |
| DATA_SOURCE | 0 | folio | $0 |
| DATA_SOURCE | 2 | b_state | $4 |
| HARD_MAX | 2 | b_state | 262144 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | folio->mapping->writeback_index | 0-524287[c] |
| HALF_LOCKED2 | &btree->b_sem |
fs/nilfs2/page.c nilfs_copy_folio() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 2 | b_state | 0 |
| DATA_SOURCE | 0 | folio | $0 |
| CAPABLE | 0 | 21 | |
| UNITS | 1 | blocksize | unit_byte |
| HALF_LOCKED2 | &mi->mi_sem |
fs/mpage.c map_buffer_to_folio() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->host | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->host->i_blkbits | 12-255 |
| PARAM_VALUE | 1 | blocksize | 0-u32max |
| PARAM_VALUE | 2 | b_state | 0 |
| CAPPED_DATA | 1 | blocksize | 1 |
| DATA_SOURCE | 0 | folio | $0 |
fs/ext4/inode.c ext4_block_write_begin() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->host | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_cop->inode_info_offs | 1632,1720,1808,2632,2648 |
| PARAM_VALUE | 2 | b_state | 0 |
| CAPPED_DATA | 1 | blocksize | 1 |
| DATA_SOURCE | 0 | folio | $1 |
| DATA_SOURCE | 1 | blocksize | r i_blocksize |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | folio->mapping->writeback_index | 0-524287[c] |
| UNITS | 0 | folio | unit_page |
| HALF_LOCKED2 | &mapping->invalidate_lock |
fs/ext4/inode.c ext4_load_tail_bh() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 2 | b_state | 0 |
| DATA_SOURCE | 0 | folio | r __filemap_get_folio |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 1 | blocksize | unit_byte |
| HALF_LOCKED2 | &inode->i_rwsem | ||
| HALF_LOCKED2 | &inode->i_rwsem | ||
| HALF_LOCKED2 | &mapping->invalidate_lock |
fs/ext4/inode.c ext4_write_begin() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 2 | b_state | 0 |
| DATA_SOURCE | 0 | folio | r write_begin_get_folio |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | folio->mapping->writeback_index | 0-524287[c] |
| UNITS | 1 | blocksize | unit_byte |
| HALF_LOCKED2 | &inode->i_rwsem |
fs/gfs2/aops.c __gfs2_jdata_write_folio() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->host | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->get_offset_ctx | 0,2606890545167454208 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->readlink | 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_cop->empty_dir | 0,86,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_cop->get_context | 0,706,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_cop->inode_info_offs | 1632,1720,1808,2632,2648,2704,2712 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_cop->set_context | 0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->fh_to_dentry | 0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | *folio->_mm_id | 0-4294967295 |
| PARAM_VALUE | 2 | b_state | 3 |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 1 | blocksize | unit_byte |
| HALF_LOCKED2 | &sdp->sd_log_flush_lock |
fs/gfs2/meta_io.c gfs2_getbuf() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 2 | b_state | 0 |
| DATA_SOURCE | 0 | folio | r __filemap_get_folio |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 1 | blocksize | unit_byte |
fs/gfs2/quota.c gfs2_write_buf_to_page() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 2 | b_state | 0 |
| DATA_SOURCE | 0 | folio | r filemap_grab_folio |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 1 | blocksize | unit_byte |
| LOCK2 | &ip->i_inode.i_rwsem | ||
| LOCK2 | &sdp->sd_log_flush_lock | ||
| TYPE_LOCK | (struct gfs2_sbd)->sd_log_flush_lock | ||
| TYPE_LOCK | (struct inode)->i_rwsem |
fs/gfs2/bmap.c gfs2_unstuffer_folio() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 2 | b_state | 1 |
| DATA_SOURCE | 0 | folio | $3 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &ip->i_rw_mutex | ||
| LOCK2 | &sdp->sd_log_flush_lock | ||
| HALF_LOCKED2 | &inode->i_rwsem | ||
| HALF_LOCKED2 | &ip->i_inode.i_rwsem | ||
| TYPE_LOCK | (struct gfs2_inode)->i_rw_mutex | ||
| TYPE_LOCK | (struct gfs2_sbd)->sd_log_flush_lock |
fs/ocfs2/aops.c ocfs2_map_folio_blocks() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 2 | b_state | 0 |
| CAPPED_DATA | 0 | folio | 1 |
| DATA_SOURCE | 0 | folio | $0 |
| DATA_SOURCE | 1 | blocksize | r i_blocksize |
| STR_LEN | 0 | folio | (-1)-0 |
| STR_LEN | 0 | folio | (-1)-0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | folio->mapping->writeback_index | 0-524287[c] |
fs/ufs/util.c ufs_get_locked_folio() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 1 | blocksize | 0-s32max,18446744071562067968-u64max |
| PARAM_VALUE | 2 | b_state | 0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| USER_DATA | 0 | folio->mapping->writeback_index | 0-524287[c] |
fs/buffer.c block_truncate_page() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 2 | b_state | 0 |
| DATA_SOURCE | 0 | folio | r filemap_grab_folio |
| DATA_SOURCE | 1 | blocksize | r i_blocksize |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | folio->mapping->writeback_index | 0-524287[c] |
fs/buffer.c folio_create_buffers() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping | 4096-ptr_max |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->get_offset_ctx | 0,2606890545167454208 |
| PARAM_VALUE | 0 | folio->mapping->host->i_op->readlink | 0,1728600404483375104,2832489546165891072,2874824064778891264,3069732422725099520,4516337085607264256 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_cop->empty_dir | 0,86,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_cop->get_context | 0,706,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_cop->inode_info_offs | 1632,1720,1808,2632,2648,2704,2712 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_cop->set_context | 0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112 |
| PARAM_VALUE | 0 | folio->mapping->host->i_sb->s_export_op->fh_to_dentry | 0,8684,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->handoff_set | 0-1 |
| PARAM_VALUE | 0 | folio->mapping->i_mmap_rwsem.first_waiter->type | 0-1 |
| PARAM_VALUE | 0 | *folio->_mm_id | 0-4294967295 |
| PARAM_VALUE | 1 | blocksize | 0-s32max,18446744071562067968-u64max |
| PARAM_VALUE | 2 | b_state | 0,3 |
| DATA_SOURCE | 0 | folio | $0 |
| DATA_SOURCE | 2 | b_state | $2 |
| NOSPEC | 0 | folio->mapping->writeback_index | |
| HARD_MAX | 2 | b_state | 3 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| USER_DATA | 0 | folio->mapping->writeback_index | 0-524287[c] |
| UNITS | 0 | folio | unit_page |
fs/nilfs2/mdt.c nilfs_mdt_freeze_buffer() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 1 | blocksize | 0-s32max,18446744071562067968-u64max |
| PARAM_VALUE | 2 | b_state | 0 |
| DATA_SOURCE | 0 | folio | r filemap_grab_folio |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &btree->b_sem | ||
| TYPE_LOCK | (struct nilfs_bmap)->b_sem |
fs/nilfs2/segment.c nilfs_lookup_dirty_data_buffers() -> create_empty_buffers()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | folio | 4096-ptr_max |
| PARAM_VALUE | 1 | blocksize | 0-u32max |
| PARAM_VALUE | 2 | b_state | 0 |
| CAPPED_DATA | 0 | folio->mapping | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING |