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Defined in 1 files as a function:

Referenced in 6 files:

Smatch caller information:

fs/nfs/blocklayout/blocklayout.c bl_read_pagelist() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 1 start 0-4095
CAPPED_DATA 2 end 1
FUZZY_MAX 1 start 0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 1 start unit_byte
UNITS 2 end unit_byte

fs/ntfs/compress.c handle_bounds_compressed_page() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
PARAM_VALUE 1 start 0-4094
PARAM_VALUE 2 end 4096
CAPPED_DATA 1 start 1
DATA_SOURCE 0 page $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 2 end unit_byte
HALF_LOCKED2 &mapping->invalidate_lock
HALF_LOCKED2 &ni->runlist.lock

net/ceph/pagevec.c ceph_zero_page_vector_range() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 1 start 1-4095
PARAM_VALUE 2 end 0-4096,2147483648-u32max
CAPPED_DATA 2 end 1
DATA_SOURCE 1 start $0 [m]
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 1 start 1-4095[c]
USER_DATA 2 end 3-4096[c]
UNITS 1 start unit_byte
UNITS 2 end unit_byte
HALF_LOCKED2 &inode->i_rwsem

net/ceph/pagevec.c ceph_zero_page_vector_range() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 1 start 0
PARAM_VALUE 2 end 4096
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 2 end unit_byte
HALF_LOCKED2 &inode->i_rwsem

net/ceph/pagevec.c ceph_zero_page_vector_range() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 1 start 0
PARAM_VALUE 2 end 1-4095
DATA_SOURCE 2 end $1 [m]
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 2 end 1-4095
UNITS 2 end unit_byte
HALF_LOCKED2 &inode->i_rwsem

fs/ceph/addr.c ceph_filemap_fault() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 0 page 1-u64max
PARAM_VALUE 1 start 0-4095
PARAM_VALUE 2 end 4096
DATA_SOURCE 0 page r find_or_create_page
DATA_SOURCE 1 start r __ceph_do_getattr
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 1 start unit_byte
UNITS 2 end unit_byte
LOCK2 &mapping->invalidate_lock
TYPE_LOCK (struct address_space)->invalidate_lock

fs/ceph/addr.c ceph_fill_inline_data() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
PARAM_VALUE 1 start 0-4095
PARAM_VALUE 2 end 4096
DATA_SOURCE 0 page r find_or_create_page
DATA_SOURCE 1 start $3
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 1 start unit_byte
UNITS 2 end unit_byte
HALF_LOCKED2 &mdsc->snap_rwsem

fs/ceph/file.c ceph_read_iter() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 0 page 4096-ptr_max
PARAM_VALUE 1 start 0-4095
PARAM_VALUE 2 end 1-4096
BUF_SIZE 0 page 64
CAPPED_DATA 1 start 1
CAPPED_DATA 2 end 1
DATA_SOURCE 0 page r __page_cache_alloc
DATA_SOURCE 1 start r __ceph_do_getattr
PARAM_COMPARE 1 start < $2
PARAM_COMPARE 2 end > $1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 2 end 1-4095[c]
UNITS 1 start unit_byte
UNITS 2 end unit_byte
HALF_LOCKED2 &pool->lock

fs/ceph/file.c ceph_sync_write() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 1 start 0
PARAM_VALUE 2 end 0-4095
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 2 end 0-4094[c]
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/ceph/file.c ceph_sync_write() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 1 start 0-4095
PARAM_VALUE 2 end 4096
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 2 end unit_byte
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/ceph/file.c ceph_sync_write() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 1 start 0
PARAM_VALUE 2 end 0-4095
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 2 end 0-4094[c]
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/ceph/file.c ceph_sync_write() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 1 start 0-4095
PARAM_VALUE 2 end 4096
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 2 end unit_byte
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

fs/ceph/file.c ceph_sync_write() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 1 start 0-4095
PARAM_VALUE 2 end 4096
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 2 end unit_byte
LOCK2 &inode->i_rwsem
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct inode)->i_rwsem

net/ceph/osd_client.c advance_cursor() -> zero_user_segment()

Type Parameter Key Value
PARAM_VALUE 0 page 1-u64max
DATA_SOURCE 0 page r ceph_msg_data_next
NOCHECK_CALL
USER_DATA 1 start 0-2559[c]
USER_DATA 2 end 0-u32max[c]
UNITS 1 start unit_byte
UNITS 2 end unit_byte
HALF_LOCKED2 &con->mutex
HALF_LOCKED2 &pool->lock