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Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

fs/btrfs/volumes.c btrfs_dev_stat_inc_and_print() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 0
BUF_SIZE 0 dev (-1)-s32max
BUF_SIZE 0 dev (-1)-s32max
DATA_SOURCE 0 dev $0
STR_LEN 0 dev (-1),8,11-12,14,17,19-20,23,26-27,29,31-32
STR_LEN 0 dev (-1),8,11-12,14,17,19-20,23,26-27,29,31-32
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read
HALF_LOCKED2 &fs_info->tree_log_mutex
HALF_LOCKED2 &info->fs_devices->device_list_mutex

fs/btrfs/volumes.c btrfs_dev_stat_inc_and_print() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 1
BUF_SIZE 0 dev (-1)-s32max
BUF_SIZE 0 dev (-1)-s32max
DATA_SOURCE 0 dev $0
STR_LEN 0 dev (-1),8,11-12,14,17,19-20,23,26-27,29,31-32
STR_LEN 0 dev (-1),8,11-12,14,17,19-20,23,26-27,29,31-32
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read
HALF_LOCKED2 &fs_info->tree_log_mutex
HALF_LOCKED2 &info->fs_devices->device_list_mutex

fs/btrfs/volumes.c btrfs_dev_stat_inc_and_print() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 2
BUF_SIZE 0 dev (-1)-s32max
BUF_SIZE 0 dev (-1)-s32max
DATA_SOURCE 0 dev $0
STR_LEN 0 dev (-1),8,11-12,14,17,19-20,23,26-27,29,31-32
STR_LEN 0 dev (-1),8,11-12,14,17,19-20,23,26-27,29,31-32
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read
HALF_LOCKED2 &fs_info->tree_log_mutex
HALF_LOCKED2 &info->fs_devices->device_list_mutex

fs/btrfs/volumes.c btrfs_dev_stat_inc_and_print() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 3
BUF_SIZE 0 dev (-1)-s32max
BUF_SIZE 0 dev (-1)-s32max
DATA_SOURCE 0 dev $0
STR_LEN 0 dev (-1),8,11-12,14,17,19-20,23,26-27,29,31-32
STR_LEN 0 dev (-1),8,11-12,14,17,19-20,23,26-27,29,31-32
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read
HALF_LOCKED2 &fs_info->tree_log_mutex
HALF_LOCKED2 &info->fs_devices->device_list_mutex

fs/btrfs/volumes.c btrfs_dev_stat_inc_and_print() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 4
BUF_SIZE 0 dev (-1)-s32max
BUF_SIZE 0 dev (-1)-s32max
DATA_SOURCE 0 dev $0
STR_LEN 0 dev (-1),8,11-12,14,17,19-20,23,26-27,29,31-32
STR_LEN 0 dev (-1),8,11-12,14,17,19-20,23,26-27,29,31-32
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read
HALF_LOCKED2 &fs_info->tree_log_mutex
HALF_LOCKED2 &info->fs_devices->device_list_mutex

fs/btrfs/volumes.c btrfs_dev_stat_print_on_load() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 0-4
DATA_SOURCE 0 dev $0
FUZZY_MAX 1 index 4
HARD_MAX 1 index 4
LOCK2 &fs_devices->device_list_mutex
TYPE_LOCK (struct btrfs_fs_devices)->device_list_mutex

fs/btrfs/volumes.c btrfs_dev_stat_print_on_load() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 0
DATA_SOURCE 0 dev $0
LOCK2 &fs_devices->device_list_mutex
LOCK2 rcu_read
TYPE_LOCK (struct btrfs_fs_devices)->device_list_mutex

fs/btrfs/volumes.c btrfs_dev_stat_print_on_load() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 1
DATA_SOURCE 0 dev $0
LOCK2 &fs_devices->device_list_mutex
LOCK2 rcu_read
TYPE_LOCK (struct btrfs_fs_devices)->device_list_mutex

fs/btrfs/volumes.c btrfs_dev_stat_print_on_load() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 2
DATA_SOURCE 0 dev $0
LOCK2 &fs_devices->device_list_mutex
LOCK2 rcu_read
TYPE_LOCK (struct btrfs_fs_devices)->device_list_mutex

fs/btrfs/volumes.c btrfs_dev_stat_print_on_load() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 3
DATA_SOURCE 0 dev $0
LOCK2 &fs_devices->device_list_mutex
LOCK2 rcu_read
TYPE_LOCK (struct btrfs_fs_devices)->device_list_mutex

fs/btrfs/volumes.c btrfs_dev_stat_print_on_load() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 4
DATA_SOURCE 0 dev $0
LOCK2 &fs_devices->device_list_mutex
LOCK2 rcu_read
TYPE_LOCK (struct btrfs_fs_devices)->device_list_mutex

fs/btrfs/volumes.c btrfs_get_dev_stats() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 0-4
CAPPED_DATA 1 index 1
DATA_SOURCE 0 dev r btrfs_find_device
FUZZY_MAX 1 index 4
HARD_MAX 1 index 4

fs/btrfs/volumes.c update_dev_stat_item() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 0-4
DATA_SOURCE 0 dev $1
FUZZY_MAX 1 index 4
HARD_MAX 1 index 4
RX_PATH
TASK_NOT_RUNNING
LOCK2 &fs_devices->device_list_mutex
HALF_LOCKED2 &cow->lock
HALF_LOCKED2 &fs_info->reloc_mutex
TYPE_LOCK (struct btrfs_fs_devices)->device_list_mutex

fs/btrfs/sysfs.c btrfs_devinfo_error_stats_show() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 0
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

fs/btrfs/sysfs.c btrfs_devinfo_error_stats_show() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 1
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

fs/btrfs/sysfs.c btrfs_devinfo_error_stats_show() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 2
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

fs/btrfs/sysfs.c btrfs_devinfo_error_stats_show() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 3
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex

fs/btrfs/sysfs.c btrfs_devinfo_error_stats_show() -> btrfs_dev_stat_read()

Type Parameter Key Value
PARAM_VALUE 0 dev 4096-ptr_max
PARAM_VALUE 1 index 4
RX_PATH
TASK_NOT_RUNNING
LOCK2 &of->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex