netfs_queue_read 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 prototype:

fs/netfs/internal.h, line 26 (as a prototype)

Defined in 1 files as a function:

fs/netfs/buffered_read.c, line 161 (as a function)

Referenced in 3 files:

Smatch caller information:

fs/netfs/buffered_read.c netfs_read_to_pagecache() -> netfs_queue_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	rreq	4096-ptr_max
PARAM_VALUE	0	rreq->buffer.next_head_slot	0-30
PARAM_VALUE	0	rreq->cache_resources.ops	0,4096-ptr_max
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->copy_to_cache->buffer.next_head_slot	0-30
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->end_operation	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->issue_write	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->prepare_read	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->prepare_write	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->prepare_write_subreq	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->query_occupancy	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->read	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->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	1632,1808,2632,2648,2712
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->prepare_read	0,5068172870075490304,8936990259359035392
PARAM_VALUE	0	rreq->netfs_ops->request_pool	0,84460413493075968
PARAM_VALUE	0	rreq->origin	0-2,4
PARAM_VALUE	0	rreq->proc_link.next	7430039255567077376
PARAM_VALUE	0	rreq->proc_link.next->prev	4096-ptr_max
PARAM_VALUE	0	rreq->proc_link.prev	4096-ptr_max
PARAM_VALUE	0	rreq->rsize	0,262144
PARAM_VALUE	0	rreq->waitq.head.next->next	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	subreq	4096-ptr_max
PARAM_VALUE	1	subreq->ref.refs.counter	2
PARAM_VALUE	1	subreq->rreq	4096-ptr_max
PARAM_VALUE	1	subreq->rreq->buffer.next_head_slot	0-30
PARAM_VALUE	1	subreq->rreq->netfs_ops	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.next	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.next->next	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.prev	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.prev->next	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.prev->prev	4096-ptr_max
CAPPED_DATA	0	rreq->gfp	1
CAPPED_DATA	1	subreq->rreq->gfp	1
DATA_SOURCE	0	rreq	$0
DATA_SOURCE	1	subreq	r netfs_alloc_subrequest
BIT_INFO	0	rreq->gfp	0xc40,0xffffffffffffffff
BIT_INFO	1	subreq->len	0x0,0x7fffffffffffffff
NOSPEC	1	subreq->rreq->buffer.iter.count
HARD_MAX	0	rreq->origin	4
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
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	0	rreq->submitted	0-18446744073709551614
USER_DATA	1	subreq->len	0-17592186040320
USER_DATA	1	subreq->rreq->buffer.iter.count	1-1000000000
USER_DATA	1	subreq->rreq->buffer.iter.iov_offset	0-u64max[c]
USER_DATA	1	subreq->rreq->direct_bv_count	1-488284[c][u]
USER_DATA	1	subreq->rreq->len	0-17592186040320
USER_DATA	1	subreq->rreq->start	0-18446744073709551614
USER_DATA	1	subreq->rreq->submitted	0-18446744073709551614
USER_DATA	1	subreq->start	0-18446744073709551614
NO_OVERFLOW_SIMPLE	0	rreq->direct_bv_count
NO_OVERFLOW_SIMPLE	0	rreq->i_size
NO_OVERFLOW_SIMPLE	0	rreq->inode->i_bytes
NO_OVERFLOW_SIMPLE	0	rreq->inode->i_size
NO_OVERFLOW_SIMPLE	1	subreq->rreq->direct_bv_count
NO_OVERFLOW_SIMPLE	1	subreq->rreq->i_size
HALF_LOCKED2		&inode->i_rwsem

fs/netfs/direct_read.c netfs_dispatch_unbuffered_reads() -> netfs_queue_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	rreq	4096-ptr_max
PARAM_VALUE	0	rreq->buffer.iter.iter_type	2-255
PARAM_VALUE	0	rreq->copy_to_cache->buffer.next_head_slot	0-30
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->end_operation	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->issue_write	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->prepare_read	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->prepare_write	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->prepare_write_subreq	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->query_occupancy	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->read	4096-ptr_max
PARAM_VALUE	0	rreq->copy_to_cache->cache_resources.ops->write	4096-ptr_max
PARAM_VALUE	0	rreq->inode	4096-ptr_max
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->len	1-1000000000
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->prepare_read	0,5068172870075490304,8936990259359035392
PARAM_VALUE	0	rreq->netfs_ops->request_pool	0,84460413493075968
PARAM_VALUE	0	rreq->origin	5-6
PARAM_VALUE	0	rreq->proc_link.next	7430039255567077376
PARAM_VALUE	0	rreq->proc_link.next->prev	4096-ptr_max
PARAM_VALUE	0	rreq->proc_link.prev	4096-ptr_max
PARAM_VALUE	0	rreq->rsize	0,262144
PARAM_VALUE	0	rreq->waitq.head.next->next	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	subreq	4096-ptr_max
PARAM_VALUE	1	subreq->len	1-9223372036854775807
PARAM_VALUE	1	subreq->ref.refs.counter	2
PARAM_VALUE	1	subreq->rreq	4096-ptr_max
PARAM_VALUE	1	subreq->rreq->buffer.next_head_slot	0-30
PARAM_VALUE	1	subreq->rreq->netfs_ops	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.next	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.next->next	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.prev	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.prev->next	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.prev->prev	4096-ptr_max
PARAM_VALUE	1	subreq->source	2
CAPPED_DATA	0	rreq->gfp	1
CAPPED_DATA	0	rreq->len	1
CAPPED_DATA	1	subreq->rreq->gfp	1
DATA_SOURCE	0	rreq	$0
DATA_SOURCE	1	subreq	r netfs_alloc_subrequest
FUZZY_MAX	0	rreq->origin	6
BIT_INFO	0	rreq->origin	0x4,0xffffffffffffffff
NOSPEC	0	rreq->buffer.iter.count
NOSPEC	0	rreq->iocb->ki_pos
NOSPEC	0	rreq->len
NOSPEC	0	rreq->start
NOSPEC	1	subreq->len
NOSPEC	1	subreq->rreq->buffer.iter.count
NOSPEC	1	subreq->start
HARD_MAX	0	rreq->origin	6
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA	0	rreq->buffer.iter.count	1-1000000000
USER_DATA	0	rreq->buffer.iter.iov_offset	0-u64max[c]
USER_DATA	0	rreq->direct_bv_count	1-488284[c][u]
USER_DATA	0	rreq->iocb->ki_flags	0-s32max[c][u]
USER_DATA	0	rreq->iocb->ki_ioprio	0-u16max
USER_DATA	0	rreq->iocb->ki_pos	0-11442450941
USER_DATA	0	rreq->len	1-1000000000[c]
USER_DATA	0	rreq->mapping->writeback_index	0-524287[c]
USER_DATA	0	rreq->start	0-18446744073709551614
USER_DATA	1	subreq->len	1-1000000000
USER_DATA	1	subreq->rreq->buffer.iter.count	1-1000000000
USER_DATA	1	subreq->rreq->buffer.iter.iov_offset	0-u64max[c]
USER_DATA	1	subreq->rreq->direct_bv_count	1-488284[c][u]
USER_DATA	1	subreq->rreq->len	0-17592186040320
USER_DATA	1	subreq->rreq->start	0-18446744073709551614
USER_DATA	1	subreq->rreq->submitted	0-18446744073709551614
USER_DATA	1	subreq->start	0-18446744073709551614
NO_OVERFLOW_SIMPLE	0	rreq->direct_bv_count
NO_OVERFLOW_SIMPLE	0	rreq->i_size
NO_OVERFLOW_SIMPLE	0	rreq->inode->i_bytes
NO_OVERFLOW_SIMPLE	0	rreq->inode->i_size
NO_OVERFLOW_SIMPLE	1	subreq->rreq->direct_bv_count
NO_OVERFLOW_SIMPLE	1	subreq->rreq->i_size
HALF_LOCKED2		&cinode->lock_sem
HALF_LOCKED2		&inode->i_rwsem

fs/netfs/read_single.c netfs_single_dispatch_read() -> netfs_queue_read()

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	1632,1808,2632,2648,2712
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->len	0-1000000000
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	3
PARAM_VALUE	0	rreq->proc_link.next	7430039255567077376
PARAM_VALUE	0	rreq->proc_link.next->prev	4096-ptr_max
PARAM_VALUE	0	rreq->proc_link.prev	4096-ptr_max
PARAM_VALUE	0	rreq->rsize	0,262144
PARAM_VALUE	0	rreq->start	0
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	subreq	4096-ptr_max
PARAM_VALUE	1	subreq->len	0-1000000000
PARAM_VALUE	1	subreq->ref.refs.counter	2
PARAM_VALUE	1	subreq->rreq	4096-ptr_max
PARAM_VALUE	1	subreq->rreq->buffer.next_head_slot	0-30
PARAM_VALUE	1	subreq->rreq->netfs_ops	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.next	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.next->next	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.prev	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.prev->next	4096-ptr_max
PARAM_VALUE	1	subreq->rreq_link.prev->prev	4096-ptr_max
PARAM_VALUE	1	subreq->source	0
PARAM_VALUE	1	subreq->start	0
CAPPED_DATA	0	rreq->gfp	1
CAPPED_DATA	1	subreq->rreq->gfp	1
DATA_SOURCE	0	rreq	$0
DATA_SOURCE	1	subreq	r netfs_alloc_subrequest
BIT_INFO	0	rreq->gfp	0xc40,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	rreq->i_size
NO_OVERFLOW_SIMPLE	0	rreq->inode->i_bytes
NO_OVERFLOW_SIMPLE	0	rreq->inode->i_size
NO_OVERFLOW_SIMPLE	1	subreq->rreq->direct_bv_count
NO_OVERFLOW_SIMPLE	1	subreq->rreq->i_size
HALF_LOCKED2		&dvnode->validate_lock
HALF_LOCKED2		&vnode->validate_lock
TYPE_LOCK		(struct afs_vnode)->validate_lock