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Documented in 1 files:

Defined in 1 files as a function:

Referenced in 8 files:

Smatch caller information:

fs/ext4/inode.c ext4_block_write_begin() -> folio_zero_segments()

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 1 start1 1-u32max
PARAM_VALUE 2 xend1 1-u32max
PARAM_VALUE 3 start2 0-4294967294
PARAM_VALUE 4 xend2 0-4294967294
CAPPED_DATA 1 start1 1
CAPPED_DATA 2 xend1 1
CAPPED_DATA 3 start2 1
CAPPED_DATA 4 xend2 1
DATA_SOURCE 0 folio $1
PARAM_COMPARE 1 start1 < $2
PARAM_COMPARE 1 start1 > $3
PARAM_COMPARE 1 start1 >= $4
PARAM_COMPARE 2 xend1 > $1
PARAM_COMPARE 2 xend1 > $3
PARAM_COMPARE 2 xend1 > $4
PARAM_COMPARE 3 start2 < $1
PARAM_COMPARE 3 start2 < $2
PARAM_COMPARE 4 xend2 < $2
PARAM_COMPARE 4 xend2 <= $1
NOSPEC 4 xend2
HARD_MAX 3 start2 4294967294
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 0 folio->mapping->writeback_index 0-524287[c]
USER_DATA 4 xend2 0-s32max[c]
UNITS 0 folio unit_page
UNITS 1 start1 unit_byte
UNITS 2 xend1 unit_byte
UNITS 3 start2 unit_byte
UNITS 4 xend2 unit_byte
HALF_LOCKED2 &mapping->invalidate_lock

mm/shmem.c shmem_write_end() -> folio_zero_segments()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 start1 0
CAPPED_DATA 2 xend1 1
CAPPED_DATA 2 xend1 1
CAPPED_DATA 3 start2 1
DATA_SOURCE 0 folio $5
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 2 xend1 0-u64max[c]
HALF_LOCKED2 &inode->i_rwsem

fs/nfs/file.c nfs_write_end() -> folio_zero_segments()

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 1 start1 0
CAPPED_DATA 2 xend1 1
DATA_SOURCE 0 folio $5
DATA_SOURCE 4 xend2 r folio_size
PARAM_COMPARE 2 xend1 <= $3
PARAM_COMPARE 3 start2 >= $2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 2 xend1 0-u32max[c]
HALF_LOCKED2 &inode->i_rwsem

fs/ntfs/iomap.c ntfs_iomap_put_folio_non_resident() -> folio_zero_segments()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_export_op->encode_fh 0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE 1 start1 0-9223372036854775806
PARAM_VALUE 2 xend1 0-9223372036854775807
CAPPED_DATA 1 start1 1
CAPPED_DATA 2 xend1 1
DATA_SOURCE 0 folio $3
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 0 folio->mapping->writeback_index 0-524287[c]
USER_DATA 2 xend1 0-9223372036854775807[c]
USER_DATA 3 start2 0-9223372036854775807[c]

fs/ntfs/iomap.c ntfs_iomap_put_folio_non_resident() -> folio_zero_segments()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_export_op->encode_fh 0,2,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
CAPPED_DATA 1 start1 1
CAPPED_DATA 2 xend1 1
DATA_SOURCE 0 folio $3
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 0 folio->mapping->writeback_index 0-524287[c]
USER_DATA 2 xend1 0-u64max[c]
USER_DATA 3 start2 0-9223372036854775807[c]

fs/netfs/buffered_read.c netfs_skip_folio_read() -> folio_zero_segments()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 0 folio->mapping 4096-ptr_max
PARAM_VALUE 1 start1 0
CAPPED_DATA 2 xend1 1
CAPPED_DATA 2 xend1 1
DATA_SOURCE 0 folio $0
DATA_SOURCE 4 xend2 r folio_size
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 0 folio->mapping->writeback_index 0-524287[c]
USER_DATA 2 xend1 0-u64max[c]
UNITS 2 xend1 unit_byte
UNITS 3 start2 unit_byte
HALF_LOCKED2 &inode->i_rwsem

fs/iomap/buffered-io.c __iomap_write_begin() -> folio_zero_segments()

Type Parameter Key Value
PARAM_VALUE 0 folio 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->set_context 0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112
CAPPED_DATA 2 xend1 1
CAPPED_DATA 2 xend1 1
DATA_SOURCE 0 folio $3
PARAM_COMPARE 2 xend1 <= $3
PARAM_COMPARE 2 xend1 <= $3
PARAM_COMPARE 3 start2 >= $2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 0 folio->mapping->writeback_index 0-524287[c]
USER_DATA 1 start1 0-9223372041149743102[c]
USER_DATA 2 xend1 0-u64max[c]
UNITS 1 start1 unit_byte
UNITS 2 xend1 unit_byte
UNITS 3 start2 unit_byte
UNITS 4 xend2 unit_byte

fs/libfs.c simple_write_begin() -> folio_zero_segments()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 1 start1 0
CAPPED_DATA 2 xend1 1
CAPPED_DATA 2 xend1 1
DATA_SOURCE 0 folio r __filemap_get_folio
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 2 xend1 0-u64max[c]
HALF_LOCKED2 &inode->i_rwsem