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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

fs/quota/dquot.c dquot_disable() -> (struct dquot_operations)->write_info()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_automount 0,2908707185815040000,3401111987815645184,6746145930460459008,7190988915944083456,7386785427940065280,8018779550845526016
PARAM_VALUE 0 sb->__s_d_op->d_compare 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_delete 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_dname 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_hash 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_init 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_iput 0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE 0 sb->__s_d_op->d_manage 0,1859587847549206528
PARAM_VALUE 0 sb->__s_d_op->d_prune 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_real 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_release 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_revalidate 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_unalias_trylock 0,6635409759016140800
PARAM_VALUE 0 sb->__s_d_op->d_unalias_unlock 0,6336447517789900800
PARAM_VALUE 0 sb->__s_d_op->d_weak_revalidate 0,4096-ptr_max
PARAM_VALUE 0 sb->dq_op 4096-ptr_max
PARAM_VALUE 0 sb->dq_op->get_projid 0,7338024449714536448,7628531135466618880
PARAM_VALUE 0 sb->s_bdev->bd_mapping->host->i_sb->s_cop->inode_info_offs 1632,1720,1808,2632,2648,2712
PARAM_VALUE 0 sb->s_bdev->bd_mapping->invalidate_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 sb->s_bdev->bd_mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_bdev_file->f_mapping->host->i_mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_bdev_file->f_mapping->host->i_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 sb->s_bdev_file->f_mapping->host->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_bdi->wb_switch_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 sb->s_bdi->wb_switch_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_cop->empty_dir 0,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144
PARAM_VALUE 0 sb->s_cop->get_context 0,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416
PARAM_VALUE 0 sb->s_cop->get_devices 0,5687811845560967168
PARAM_VALUE 0 sb->s_cop->get_dummy_policy 0,5548184023414632448,6265693363421687808,7944682147525111808
PARAM_VALUE 0 sb->s_cop->has_stable_inodes 0,3981700036256542720,5332792210826772480
PARAM_VALUE 0 sb->s_cop->inode_info_offs 1632,1640,1720,1808,2632,2648,2704,2712
PARAM_VALUE 0 sb->s_cop->legacy_key_prefix 0,924751349837991936,5264834109705359360,8765449967581011968
PARAM_VALUE 0 sb->s_cop->set_context 0,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112
PARAM_VALUE 0 sb->s_export_op->block_ops 0,5961889059343175680
PARAM_VALUE 0 sb->s_export_op->commit_metadata 0,240803493533007872,5538665924712296448,6872150948047065088
PARAM_VALUE 0 sb->s_export_op->encode_fh 0,1398972869330624512,1616549510479982592,2037984473558433792,2776440803454029824,3228746867770966016,3502492669594062848,3526768263295340544,3559173554394271744,5000850239487131648,5583386343686406144,5817357685191483392-s64max
PARAM_VALUE 0 sb->s_export_op->fh_to_dentry 0,447817974243774464,687732489194512384,742201802719268864,868497899885588480,1471448175530500096,2021658383390310400,2445877819203563520,2512819722689847296,2649270699546726400,2761259683714371584,2893332316235677696-s64max
PARAM_VALUE 0 sb->s_export_op->fh_to_parent 0,148606482432692224,436469935444291584,467281172929331200,529780027764285440,1092893949038768128,1556959531105513472,1608953577475584000,1649536479961075712,2404761408063094784,2970908329832960000,3511613614414655488-s64max
PARAM_VALUE 0 sb->s_export_op->flags 0,127
PARAM_VALUE 0 sb->s_export_op->get_name 0,3053585434600701952,4446407003036676096,4451526262822047744,5730886654511411200
PARAM_VALUE 0 sb->s_export_op->get_parent 0,264940071972966400,291591359766798336,565128213429456896,893189740598853632,1241177127089143808,1474696885321834496,1812477326828269568,1893665921928286208,2210088671756947456,2437012291923775488,2483979068402987008-s64max
PARAM_VALUE 0 sb->s_export_op->open 0,631201664538705920,4233052046380007424
PARAM_VALUE 0 sb->s_export_op->permission 0,4382650131406278656,6192445826193477632
PARAM_VALUE 0 sb->s_op->alloc_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->destroy_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->dirty_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->drop_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->evict_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->free_cached_objects 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->free_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->freeze_fs 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->freeze_super 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->get_dquots 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->nr_cached_objects 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->put_super 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->quota_read 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->quota_write 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->remove_bdev 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->report_error 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->show_devname 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->show_options 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->show_path 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->show_stats 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->shutdown 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->statfs 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->sync_fs 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->thaw_super 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->umount_begin 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->unfreeze_fs 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->write_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_qcop->quota_disable 0,637464591504867328,4066745432278487040
PARAM_VALUE 0 sb->s_qcop->quota_enable 0,597331821921447936,2941034304064159744
PARAM_VALUE 0 sb->s_qcop->quota_off 0,235525967617187840,378378731525734400,4214951161165094912,7289446986913722368
PARAM_VALUE 0 sb->s_qcop->quota_on 0,196830233519054848,261516502312550400,1599093278103990272,8517879478770987008
PARAM_VALUE 0 sb->s_qcop->set_info 0,4096-ptr_max
PARAM_VALUE 0 sb->s_root->d_inode->i_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 sb->s_root->d_inode->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_shrink->debugfs_entry->d_parent->d_inode->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_umount.first_waiter->handoff_set 0-1
PARAM_VALUE 0 sb->s_umount.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_vop->begin_enable_verity 3347785137392660480,4504743579353014272,9111006403386490880
PARAM_VALUE 0 sb->s_vop->end_enable_verity 1750709696857870336,8608593979167166464,8809274236534411264
PARAM_VALUE 0 sb->s_vop->get_verity_descriptor 2424442146745896960,4802014347016474624,6048233524557684736
PARAM_VALUE 0 sb->s_vop->read_merkle_tree_page 1021715590784540672,2125625854056194048,6352085838395670528
PARAM_VALUE 0 sb->s_vop->readahead_merkle_tree 0,3982924104221462528,6713350451579838464
PARAM_VALUE 0 sb->s_vop->write_merkle_tree_block 4874731033741524992,6108757370651340800,8268657141613019136
PARAM_VALUE 1 type 0-2
BUF_SIZE 0 sb s32min,(-10),(-1)-s32max
BUF_SIZE 0 sb s32min,(-10),(-1)-s32max
BUF_SIZE 0 sb->dq_op (-1),88
BUF_SIZE 0 sb->s_export_op (-1),80
BUF_SIZE 0 sb->s_fs_info (-1),376,4416
BUF_SIZE 0 sb->s_op (-1),216
BUF_SIZE 0 sb->s_qcop (-1),88
BUF_SIZE 0 sb->s_root (-1)-s32max
BUF_SIZE 0 sb->s_type (-1),232
BUF_SIZE 0 sb->s_xattr (-1),16,32
CAPPED_DATA 0 sb 1
CAPPED_DATA 1 type 1
DATA_SOURCE 0 sb $0
FUZZY_MAX 1 type 2
STR_LEN 0 sb (-1),8
STR_LEN 0 sb (-1),8
STR_LEN 0 sb->s_id (-1),31
CONTAINER 0 -48-72+0 $(-1)
HARD_MAX 1 type 2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 0 sb->s_bdev_file->f_flags 0,32768-u32max
USER_DATA 0 sb->s_bdev_file->f_mode 0,64-u32max
USER_DATA 0 sb->s_flags 0-2147552256[c]
USER_DATA 0 sb->s_root->__d_name.hash 0-u32max[c]
USER_DATA 0 sb->s_root->d_parent->__d_name.hash 0-u32max[c]
USER_DATA 0 sb->s_root->d_sb->s_flags 0-u64max[c]
USER_DATA 0 *sb->s_root->__d_name.name 0-255
USER_DATA 0 *sb->s_root->d_parent->__d_name.name 0-255
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize_bits
NO_OVERFLOW_SIMPLE 0 sb->s_dio_done_wq->rescuer->task->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE 0 sb->s_root->d_inode->i_blkbits
NO_OVERFLOW_SIMPLE 0 sb->s_root->d_inode->i_size
USER_PTR 0 sb->s_root->__d_name.name
USER_PTR 0 sb->s_root->d_parent->__d_name.name
HALF_LOCKED2 0 &sb->s_umount

fs/quota/dquot.c dquot_set_dqinfo() -> (struct dquot_operations)->write_info()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->dq_op 4096-ptr_max
PARAM_VALUE 0 sb->s_qcop 4096-ptr_max
PARAM_VALUE 0 sb->s_qcop->set_dqblk 4883808601749348352,4972298914066780160,5002391682725584896
PARAM_VALUE 0 sb->s_qcop->set_info 4911963300299485184,5546188274882789376
PARAM_VALUE 0 sb->s_umount.dep_map->name 0-255
PARAM_VALUE 0 sb->s_umount.first_waiter->handoff_set 0-1
PARAM_VALUE 0 sb->s_umount.first_waiter->list.next 2212933610777083904,2624917664208203776
PARAM_VALUE 0 sb->s_umount.first_waiter->list.prev 2212933610777083904,2624917664208203776
PARAM_VALUE 0 sb->s_umount.first_waiter->type 0-1
PARAM_VALUE 1 type 0-2
CAPPED_DATA 1 type 1
DATA_SOURCE 0 sb $0
DATA_SOURCE 1 type $1
CONTAINER 0 -48-72+0 $(-1)
NOSPEC 1 type
NOSPEC 1 type
USER_DATA 1 type 0-2[c]
HALF_LOCKED2 0 &sb->s_umount

fs/quota/dquot.c dquot_writeback_dquots() -> (struct dquot_operations)->write_info()

Type Parameter Key Value
PARAM_VALUE 0 sb 4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_automount 0,2908707185815040000,3401111987815645184,6746145930460459008,7190988915944083456,7386785427940065280,8018779550845526016
PARAM_VALUE 0 sb->__s_d_op->d_compare 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_delete 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_dname 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_hash 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_init 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_iput 0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE 0 sb->__s_d_op->d_manage 0,1859587847549206528
PARAM_VALUE 0 sb->__s_d_op->d_prune 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_real 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_release 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_revalidate 0,4096-ptr_max
PARAM_VALUE 0 sb->__s_d_op->d_unalias_trylock 0,6635409759016140800
PARAM_VALUE 0 sb->__s_d_op->d_unalias_unlock 0,6336447517789900800
PARAM_VALUE 0 sb->__s_d_op->d_weak_revalidate 0,4096-ptr_max
PARAM_VALUE 0 sb->dq_op 4096-ptr_max
PARAM_VALUE 0 sb->dq_op->get_projid 0,7338024449714536448,7628531135466618880
PARAM_VALUE 0 sb->s_bdev->bd_mapping->invalidate_lock.first_waiter->handoff_set 0-1
PARAM_VALUE 0 sb->s_bdev->bd_mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_bdev_file->f_mapping->host->i_mapping->invalidate_lock.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_bdev_file->f_mapping->host->i_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 sb->s_bdev_file->f_mapping->host->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_bdi->wb_switch_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 sb->s_bdi->wb_switch_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_cop->empty_dir 0,86,661756434209751040,4392966320616476672,5234023279986843648,8614756098313990144
PARAM_VALUE 0 sb->s_cop->get_context 0,706,17350455714160640,4513809449498124288,5149251875611672576,7067778626864828416
PARAM_VALUE 0 sb->s_cop->get_devices 0,5687811845560967168
PARAM_VALUE 0 sb->s_cop->get_dummy_policy 0,5548184023414632448,6265693363421687808,7944682147525111808
PARAM_VALUE 0 sb->s_cop->has_stable_inodes 0,3981700036256542720,5332792210826772480
PARAM_VALUE 0 sb->s_cop->inode_info_offs 1632,1640,1720,1808,1816,2632,2640,2648,2704,2712
PARAM_VALUE 0 sb->s_cop->legacy_key_prefix 0,924751349837991936,5264834109705359360,8765449967581011968
PARAM_VALUE 0 sb->s_cop->set_context 0,67,317457138841939968,3250154607523569664,5979066299606671360,6756104566897242112
PARAM_VALUE 0 sb->s_export_op->block_ops 0,5961889059343175680
PARAM_VALUE 0 sb->s_export_op->commit_metadata 0,240803493533007872,5538665924712296448,6872150948047065088
PARAM_VALUE 0 sb->s_export_op->flags 0,127
PARAM_VALUE 0 sb->s_export_op->get_name 0,3053585434600701952,4446407003036676096,4451526262822047744,5730886654511411200
PARAM_VALUE 0 sb->s_export_op->open 0,631201664538705920,4233052046380007424
PARAM_VALUE 0 sb->s_export_op->permission 0,4382650131406278656,6192445826193477632
PARAM_VALUE 0 sb->s_op->alloc_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->destroy_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->dirty_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->drop_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->evict_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->free_cached_objects 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->free_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->freeze_fs 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->freeze_super 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->get_dquots 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->nr_cached_objects 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->put_super 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->quota_read 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->quota_write 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->remove_bdev 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->report_error 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->show_devname 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->show_options 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->show_path 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->show_stats 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->shutdown 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->statfs 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->sync_fs 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->thaw_super 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->umount_begin 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->unfreeze_fs 0,4096-ptr_max
PARAM_VALUE 0 sb->s_op->write_inode 0,4096-ptr_max
PARAM_VALUE 0 sb->s_qcop->quota_disable 0,637464591504867328,4066745432278487040
PARAM_VALUE 0 sb->s_qcop->quota_enable 0,597331821921447936,2941034304064159744
PARAM_VALUE 0 sb->s_qcop->quota_off 0,235525967617187840,378378731525734400,4214951161165094912,7289446986913722368
PARAM_VALUE 0 sb->s_qcop->quota_on 0,4096-ptr_max
PARAM_VALUE 0 sb->s_qcop->quota_sync 0,1130962422595588096,2593409015288025088,7799822221866086400
PARAM_VALUE 0 sb->s_qcop->set_info 0,4096-ptr_max
PARAM_VALUE 0 sb->s_root->d_inode->i_rwsem.first_waiter->handoff_set 0-1
PARAM_VALUE 0 sb->s_root->d_inode->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_shrink->debugfs_entry->d_parent->d_inode->i_rwsem.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_umount.first_waiter->handoff_set 0-1
PARAM_VALUE 0 sb->s_umount.first_waiter->type 0-1
PARAM_VALUE 0 sb->s_vop->begin_enable_verity 3347785137392660480,4504743579353014272,9111006403386490880
PARAM_VALUE 0 sb->s_vop->end_enable_verity 1750709696857870336,8608593979167166464,8809274236534411264
PARAM_VALUE 0 sb->s_vop->get_verity_descriptor 2424442146745896960,4802014347016474624,6048233524557684736
PARAM_VALUE 0 sb->s_vop->read_merkle_tree_page 1021715590784540672,2125625854056194048,6352085838395670528
PARAM_VALUE 0 sb->s_vop->readahead_merkle_tree 0,3982924104221462528,6713350451579838464
PARAM_VALUE 0 sb->s_vop->write_merkle_tree_block 4874731033741524992,6108757370651340800,8268657141613019136
PARAM_VALUE 1 type 0-2
BUF_SIZE 0 sb s32min,(-10),(-1)-s32max
BUF_SIZE 0 sb s32min,(-10),(-1)-s32max
BUF_SIZE 0 sb->dq_op (-1),88
BUF_SIZE 0 sb->s_export_op (-1),80
BUF_SIZE 0 sb->s_fs_info (-1),376,4416
BUF_SIZE 0 sb->s_op (-1),216
BUF_SIZE 0 sb->s_qcop (-1),88
BUF_SIZE 0 sb->s_root (-1)-s32max
BUF_SIZE 0 sb->s_type (-1),232
BUF_SIZE 0 sb->s_xattr (-1),16,32
DATA_SOURCE 0 sb $0
FUZZY_MAX 1 type 2
STR_LEN 0 sb (-1),8
STR_LEN 0 sb (-1),8
STR_LEN 0 sb->s_id (-1),31
CONTAINER 0 -48-72+0 $(-1)
HARD_MAX 1 type 2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
USER_DATA 0 sb->s_bdev_file->f_flags 0,32768-u32max
USER_DATA 0 sb->s_bdev_file->f_mode 0,64-u32max
USER_DATA 0 sb->s_flags 0-u64max[c]
USER_DATA 0 sb->s_root->__d_name.hash 0-u32max[c]
USER_DATA 0 sb->s_root->d_parent->__d_name.hash 0-u32max[c]
USER_DATA 0 sb->s_root->d_sb->s_flags 0-u64max[c]
USER_DATA 0 *sb->s_root->__d_name.name 0-255
USER_DATA 0 *sb->s_root->d_parent->__d_name.name 0-255
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize
NO_OVERFLOW_SIMPLE 0 sb->s_blocksize_bits
NO_OVERFLOW_SIMPLE 0 sb->s_dio_done_wq->rescuer->task->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE 0 sb->s_root->d_inode->i_blkbits
NO_OVERFLOW_SIMPLE 0 sb->s_root->d_inode->i_size
USER_PTR 0 sb->s_root->__d_name.name
USER_PTR 0 sb->s_root->d_parent->__d_name.name
HALF_LOCKED2 &sbi->cp_rwsem.internal_rwsem
HALF_LOCKED2 &sbi->quota_sem.internal_rwsem
HALF_LOCKED2 0 &sb->s_umount