netfs_create_singular_buffer identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

fs/netfs/buffered_read.c, line 378 (as a function)

Referenced in 1 files:

fs/netfs/buffered_read.c

Smatch caller information:

fs/netfs/buffered_read.c netfs_prefetch_for_write() -> netfs_create_singular_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	rreq	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.cache_priv2	0,4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops	0,2376435944423092224
PARAM_VALUE	0	rreq->cache_resources.ops->end_operation	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->issue_write	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->prepare_read	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->prepare_write	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->prepare_write_subreq	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->query_occupancy	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->read	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->write	4096-ptr_max
PARAM_VALUE	0	rreq->gfp	3136,3264
PARAM_VALUE	0	rreq->inode	4096-ptr_max
PARAM_VALUE	0	rreq->inode->i_mapping->host->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648,2712
PARAM_VALUE	0	rreq->inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	rreq->inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	rreq->mapping	4096-ptr_max
PARAM_VALUE	0	rreq->netfs_ops	4096-ptr_max
PARAM_VALUE	0	rreq->netfs_ops->init_request	3383743687444791296,3750821255738515456,3756291697984016384,4205842496184066048,7569165433126817792
PARAM_VALUE	0	rreq->netfs_ops->request_pool	0,84460413493075968
PARAM_VALUE	0	rreq->netfs_priv	0,4096-ptr_max
PARAM_VALUE	0	rreq->no_unlock_folio	4096-ptr_max
PARAM_VALUE	0	rreq->no_unlock_folio->mapping	4096-ptr_max
PARAM_VALUE	0	rreq->origin	4
PARAM_VALUE	0	rreq->proc_link.next	4096-ptr_max
PARAM_VALUE	0	rreq->ref.refs.counter	2
PARAM_VALUE	0	rreq->rsize	0,262144
PARAM_VALUE	0	rreq->waitq.head.next	4096-ptr_max
PARAM_VALUE	0	rreq->waitq.head.next->next	4096-ptr_max
PARAM_VALUE	0	rreq->waitq.head.prev	4096-ptr_max
PARAM_VALUE	0	rreq->waitq.head.prev->next	4096-ptr_max
PARAM_VALUE	0	rreq->waitq.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	folio	4096-ptr_max
PARAM_VALUE	1	folio->_deferred_list.next->prev	4096-ptr_max
PARAM_VALUE	1	folio->_deferred_list.prev->next	4096-ptr_max
PARAM_VALUE	1	folio->mapping	4096-ptr_max
PARAM_VALUE	1	folio->page.zone_device_data->kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	2	rollbuf_flags	2
CAPPED_DATA	0	rreq->gfp	1
DATA_SOURCE	0	rreq	r netfs_alloc_request
DATA_SOURCE	1	folio	$1
BIT_INFO	0	rreq->gfp	0xc40,0xffffffffffffffff
BIT_INFO	0	rreq->start	0x0,0x7fffffffffffffff
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	rreq->inode->i_blocks	0-5859375[c]
USER_DATA	0	rreq->len	0-17592186040320
USER_DATA	0	rreq->mapping->writeback_index	0-524287[c]
USER_DATA	0	rreq->start	0-18446744073709551614
USER_DATA	1	folio->mapping->writeback_index	0-524287[c]
NO_OVERFLOW_SIMPLE	0	rreq->i_size
NO_OVERFLOW_SIMPLE	0	rreq->inode->i_bytes
NO_OVERFLOW_SIMPLE	0	rreq->inode->i_size
LOCK2		&inode->i_rwsem
HALF_LOCKED2		&cinode->lock_sem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct inode)->i_rwsem

fs/netfs/buffered_read.c netfs_read_folio() -> netfs_create_singular_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	rreq	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.cache_priv2	0,4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops	0,2376435944423092224
PARAM_VALUE	0	rreq->cache_resources.ops->end_operation	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->issue_write	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->prepare_read	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->prepare_write	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->prepare_write_subreq	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->query_occupancy	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->read	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->write	4096-ptr_max
PARAM_VALUE	0	rreq->gfp	3136,3264
PARAM_VALUE	0	rreq->inode	4096-ptr_max
PARAM_VALUE	0	rreq->inode->i_mapping->host->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648,2712
PARAM_VALUE	0	rreq->inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	rreq->inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	rreq->mapping	4096-ptr_max
PARAM_VALUE	0	rreq->netfs_ops	4096-ptr_max
PARAM_VALUE	0	rreq->netfs_ops->init_request	3383743687444791296,3750821255738515456,3756291697984016384,4205842496184066048,7569165433126817792
PARAM_VALUE	0	rreq->netfs_ops->request_pool	0,84460413493075968
PARAM_VALUE	0	rreq->netfs_priv	0,4096-ptr_max
PARAM_VALUE	0	rreq->origin	1
PARAM_VALUE	0	rreq->proc_link.next	4096-ptr_max
PARAM_VALUE	0	rreq->ref.refs.counter	2
PARAM_VALUE	0	rreq->rsize	0,262144
PARAM_VALUE	0	rreq->waitq.head.next	4096-ptr_max
PARAM_VALUE	0	rreq->waitq.head.next->next	4096-ptr_max
PARAM_VALUE	0	rreq->waitq.head.prev	4096-ptr_max
PARAM_VALUE	0	rreq->waitq.head.prev->next	4096-ptr_max
PARAM_VALUE	0	rreq->waitq.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	folio	4096-ptr_max
PARAM_VALUE	1	folio->mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	1	folio->mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	1	*folio->_mm_id	0-4294967295
PARAM_VALUE	2	rollbuf_flags	0
CAPPED_DATA	0	rreq->gfp	1
CAPPED_DATA	1	folio	1
DATA_SOURCE	0	rreq	r netfs_alloc_request
DATA_SOURCE	1	folio	$1
BIT_INFO	0	rreq->gfp	0xc40,0xffffffffffffffff
NOSPEC	1	folio->mapping->writeback_index
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	rreq->inode->i_blocks	0-5859375[c]
USER_DATA	0	rreq->len	0-17592186040320
USER_DATA	0	rreq->mapping->writeback_index	0-524287[c]
USER_DATA	0	rreq->start	0-18446744073709551614
USER_DATA	1	folio->mapping->writeback_index	0-524287[c]
NO_OVERFLOW_SIMPLE	0	rreq->i_size
NO_OVERFLOW_SIMPLE	0	rreq->inode->i_bytes
NO_OVERFLOW_SIMPLE	0	rreq->inode->i_size

fs/netfs/buffered_read.c netfs_write_begin() -> netfs_create_singular_buffer()

Type	Parameter	Key	Value
PARAM_VALUE	0	rreq	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.cache_priv2	0,4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops	0,2376435944423092224
PARAM_VALUE	0	rreq->cache_resources.ops->end_operation	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->issue_write	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->prepare_read	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->prepare_write	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->prepare_write_subreq	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->query_occupancy	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->read	4096-ptr_max
PARAM_VALUE	0	rreq->cache_resources.ops->write	4096-ptr_max
PARAM_VALUE	0	rreq->gfp	3136,3264
PARAM_VALUE	0	rreq->inode	4096-ptr_max
PARAM_VALUE	0	rreq->inode->i_mapping->host->i_sb->s_cop->inode_info_offs	1632,1720,1808,2632,2648,2712
PARAM_VALUE	0	rreq->inode->i_mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	rreq->inode->i_mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	rreq->mapping	4096-ptr_max
PARAM_VALUE	0	rreq->netfs_ops	4096-ptr_max
PARAM_VALUE	0	rreq->netfs_ops->init_request	3383743687444791296,3750821255738515456,3756291697984016384,4205842496184066048,7569165433126817792
PARAM_VALUE	0	rreq->netfs_ops->request_pool	0,84460413493075968
PARAM_VALUE	0	rreq->netfs_priv	0,4096-ptr_max
PARAM_VALUE	0	rreq->no_unlock_folio	4096-ptr_max
PARAM_VALUE	0	rreq->origin	4
PARAM_VALUE	0	rreq->proc_link.next	4096-ptr_max
PARAM_VALUE	0	rreq->ref.refs.counter	2
PARAM_VALUE	0	rreq->rsize	0,262144
PARAM_VALUE	0	rreq->waitq.head.next	4096-ptr_max
PARAM_VALUE	0	rreq->waitq.head.next->next	4096-ptr_max
PARAM_VALUE	0	rreq->waitq.head.prev	4096-ptr_max
PARAM_VALUE	0	rreq->waitq.head.prev->next	4096-ptr_max
PARAM_VALUE	0	rreq->waitq.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	folio	4096-ptr_max
PARAM_VALUE	1	folio->mapping->i_mmap_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	1	folio->mapping->i_mmap_rwsem.first_waiter->type	0-1
PARAM_VALUE	1	folio->page.page_type	0-4294967295
PARAM_VALUE	2	rollbuf_flags	0
CAPPED_DATA	0	rreq->gfp	1
DATA_SOURCE	0	rreq	r netfs_alloc_request
DATA_SOURCE	1	folio	r __filemap_get_folio
BIT_INFO	0	rreq->gfp	0xc40,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	folio->mapping->writeback_index	0-524287[c]
NO_OVERFLOW_SIMPLE	0	rreq->i_size
NO_OVERFLOW_SIMPLE	0	rreq->inode->i_bytes
NO_OVERFLOW_SIMPLE	0	rreq->inode->i_size
HALF_LOCKED2		&inode->i_rwsem