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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

fs/squashfs/file_cache.c squashfs_readpage_block() -> squashfs_copy_cache()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 0 folio->index 0-4503599627370494
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_export_op->encode_fh 0,2,1398972869330624512,1616549510479982592,2037984473558433792
PARAM_VALUE 0 folio->mapping->host->i_sb->s_export_op->get_parent 0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info 4096-ptr_max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->block_cache->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->meta_index_mutex.dep_map->name 0-255
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->meta_index_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->read_page 4096-ptr_max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->read_page->curr_blk s32min-s32max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->read_page->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->read_page->next_blk s32min-s32max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->read_page->num_waiters s32min-s32max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->read_page->unused s32min-s32max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->stream->avail_decomp s32min-s32max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->stream->comp_opts->dict_size 0-s32max
PARAM_VALUE 1 buffer 4096-ptr_max
PARAM_VALUE 1 buffer->error 0
PARAM_VALUE 2 bytes 0-s32max,18446744071562067968-u64max
PARAM_VALUE 3 offset 0
CAPPED_DATA 0 folio->index 1
CAPPED_DATA 0 folio->mapping 1
DATA_SOURCE 0 folio $0
DATA_SOURCE 1 buffer r squashfs_get_datablock
DATA_SOURCE 2 bytes $3
NOSPEC 0 folio->mapping->writeback_index
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 0 folio->mapping->writeback_index 0-524287[c]
HALF_LOCKED2 &mapping->invalidate_lock

fs/squashfs/file.c squashfs_readpage_fragment() -> squashfs_copy_cache()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 0 folio->index 0-4503599627370494
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_fs_info 4096-ptr_max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->fragment_cache 4096-ptr_max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->fragment_cache->curr_blk s32min-s32max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->fragment_cache->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->fragment_cache->next_blk s32min-s32max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->fragment_cache->num_waiters s32min-s32max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->fragment_cache->unused s32min-s32max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->stream->avail_decomp s32min-s32max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->stream->comp_opts->dict_size 0-s32max
PARAM_VALUE 1 buffer 4096-ptr_max
PARAM_VALUE 1 buffer->error 0
PARAM_VALUE 2 bytes 0-s32max,18446744071562067968-u64max
PARAM_VALUE 3 offset 0-s32max,18446744071562067968-u64max
CAPPED_DATA 0 folio->index 1
CAPPED_DATA 0 folio->mapping 1
DATA_SOURCE 0 folio $0
DATA_SOURCE 1 buffer r squashfs_get_fragment
DATA_SOURCE 2 bytes $1
NOSPEC 0 folio->mapping->writeback_index
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 0 folio->mapping->writeback_index 0-524287[c]
HALF_LOCKED2 &mapping->invalidate_lock

fs/squashfs/file.c squashfs_readpage_sparse() -> squashfs_copy_cache()

Type Parameter Key Value
PARAM_VALUE 0 folio 4096-ptr_max
PARAM_VALUE 0 folio->index 0-4503599627370494
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_export_op->encode_fh 0,2,1398972869330624512,1616549510479982592,2037984473558433792
PARAM_VALUE 0 folio->mapping->host->i_sb->s_export_op->get_parent 0,8931,264940071972966400,291591359766798336,565128213429456896
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info 4096-ptr_max
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->block_cache->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->meta_index_mutex.dep_map->name 0-255
PARAM_VALUE 0 folio->mapping->host->i_sb->s_fs_info->meta_index_mutex.osq.tail.counter 0-s32max
PARAM_VALUE 1 buffer 0
PARAM_VALUE 2 bytes 0-s32max,18446744071562067968-u64max
PARAM_VALUE 3 offset 0
CAPPED_DATA 0 folio->index 1
CAPPED_DATA 0 folio->mapping 1
DATA_SOURCE 0 folio $0
DATA_SOURCE 2 bytes $1
NOSPEC 0 folio->mapping->writeback_index
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 0 folio->mapping->writeback_index 0-524287[c]
HALF_LOCKED2 &mapping->invalidate_lock