jbd2_handle_buffer_credits identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

include/linux/jbd2.h, line 1815 (as a function)

Referenced in 5 files:

Smatch caller information:

fs/jbd2/transaction.c jbd2_journal_dirty_metadata() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
PARAM_VALUE	0	handle->h_transaction	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
DATA_SOURCE	0	handle	$0
STR_LEN	0	handle	(-1)-1
STR_LEN	0	handle	(-1)-1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&jh->b_state_lock
TYPE_LOCK		(struct journal_head)->b_state_lock

fs/ext4/xattr.c ext4_xattr_set_handle() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
BUF_SIZE	0	handle	(-1),1-s32max
BUF_SIZE	0	handle	(-1),1-s32max
DATA_SOURCE	0	handle	$0
STR_LEN	0	handle	(-1)-1
STR_LEN	0	handle	(-1)-1
RX_PATH
TASK_NOT_RUNNING

fs/ocfs2/alloc.c ocfs2_extend_rotate_transaction() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
CAPPED_DATA	0	handle	1
DATA_SOURCE	0	handle	$0
STR_LEN	0	handle	(-1)-0
STR_LEN	0	handle	(-1)-0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

fs/ocfs2/alloc.c ocfs2_extend_rotate_transaction() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
CAPPED_DATA	0	handle	1
DATA_SOURCE	0	handle	$0
STR_LEN	0	handle	(-1)-0
STR_LEN	0	handle	(-1)-0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

fs/ocfs2/alloc.c ocfs2_merge_rec_left() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
DATA_SOURCE	0	handle	$1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&tl_inode->i_rwsem

fs/ocfs2/alloc.c ocfs2_merge_rec_left() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
PARAM_VALUE	0	handle->h_transaction	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
CAPPED_DATA	0	handle	1
CAPPED_DATA	0	handle->h_transaction	1
DATA_SOURCE	0	handle	$1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&tl_inode->i_rwsem

fs/ocfs2/alloc.c ocfs2_merge_rec_right() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
DATA_SOURCE	0	handle	$1
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&tl_inode->i_rwsem

fs/ocfs2/alloc.c ocfs2_rotate_tree_left() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
CAPPED_DATA	0	handle	1
DATA_SOURCE	0	handle	$0
STR_LEN	0	handle	(-1)-0
STR_LEN	0	handle	(-1)-0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tl_inode->i_rwsem

fs/ocfs2/alloc.c ocfs2_rotate_tree_right() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
PARAM_VALUE	0	handle->h_transaction	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
CAPPED_DATA	0	handle	1
CAPPED_DATA	0	handle->h_transaction	1
DATA_SOURCE	0	handle	$0
STR_LEN	0	handle	(-1)-0
STR_LEN	0	handle	(-1)-0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

fs/ocfs2/alloc.c ocfs2_truncate_rec() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
CAPPED_DATA	0	handle	1
DATA_SOURCE	0	handle	$0
STR_LEN	0	handle	(-1)-0
STR_LEN	0	handle	(-1)-0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tl_inode->i_rwsem

fs/ocfs2/alloc.c ocfs2_truncate_rec() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
CAPPED_DATA	0	handle	1
DATA_SOURCE	0	handle	$0
STR_LEN	0	handle	(-1)-0
STR_LEN	0	handle	(-1)-0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tl_inode->i_rwsem

fs/ocfs2/alloc.c ocfs2_try_to_merge_extent() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
DATA_SOURCE	0	handle	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&tl_inode->i_rwsem

fs/ocfs2/alloc.c ocfs2_try_to_merge_extent() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle->h_journal	0,4096-ptr_max
PARAM_VALUE	0	handle->h_reserved	0
PARAM_VALUE	0	handle->h_transaction	0,4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
DATA_SOURCE	0	handle	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&tl_inode->i_rwsem

fs/ocfs2/alloc.c ocfs2_try_to_merge_extent() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
PARAM_VALUE	0	handle->h_transaction->t_journal	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
CAPPED_DATA	0	handle	1
DATA_SOURCE	0	handle	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&tl_inode->i_rwsem

fs/ocfs2/alloc.c ocfs2_try_to_merge_extent() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle->h_journal	0,4096-ptr_max
PARAM_VALUE	0	handle->h_reserved	0
PARAM_VALUE	0	handle->h_transaction	0,4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
DATA_SOURCE	0	handle	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&tl_inode->i_rwsem

fs/ocfs2/journal.c ocfs2_allocate_extend_trans() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
BUF_SIZE	0	handle	(-1),1-s32max
BUF_SIZE	0	handle	(-1),1-s32max
DATA_SOURCE	0	handle	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&inode->i_rwsem

fs/ocfs2/journal.c ocfs2_assure_trans_credits() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
PARAM_VALUE	0	handle->h_transaction	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
DATA_SOURCE	0	handle	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		&oi->ip_alloc_sem
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct ocfs2_inode_info)->ip_alloc_sem

fs/ocfs2/journal.c ocfs2_extend_trans() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	1-u64max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
DATA_SOURCE	0	handle	$0
STR_LEN	0	handle	(-1)-0
STR_LEN	0	handle	(-1)-0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&alloc_inode->i_rwsem
HALF_LOCKED2		&oi->ip_alloc_sem

fs/ocfs2/journal.c ocfs2_journal_dirty() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
PARAM_VALUE	0	handle->h_transaction	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
CAPPED_DATA	0	handle	1
DATA_SOURCE	0	handle	$0
STR_LEN	0	handle	(-1)-0
STR_LEN	0	handle	(-1)-0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&(inode->i_sb)->s_fs_info->nfs_sync_rwlock
HALF_LOCKED2		&alloc_inode->i_rwsem
HALF_LOCKED2		&bm_inode->i_rwsem
HALF_LOCKED2		&data_alloc_inode->i_rwsem
HALF_LOCKED2		&dquot->dq_lock
HALF_LOCKED2		&dx_alloc_inode->i_rwsem
HALF_LOCKED2		&inode->i_rwsem
HALF_LOCKED2		&inode_alloc_inode->i_rwsem
HALF_LOCKED2		&local_alloc_inode->i_rwsem
HALF_LOCKED2		&main_bm_inode->i_rwsem
HALF_LOCKED2		&new_inode->i_rwsem
HALF_LOCKED2		&oi->ip_alloc_sem
HALF_LOCKED2		&oinfo->dqi_gqinode->i_rwsem
HALF_LOCKED2		&orphan_dir_inode->i_rwsem
HALF_LOCKED2		&t_inode->i_rwsem
HALF_LOCKED2		&tl_inode->i_rwsem

fs/ext4/ext4_jbd2.c __ext4_handle_dirty_metadata() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
PARAM_VALUE	0	handle->h_transaction	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
DATA_SOURCE	0	handle	$2
STR_LEN	0	handle	(-1)-24,26-27,29,31-32,63,99,115,254
STR_LEN	0	handle	(-1)-24,26-27,29,31-32,63,99,115,254
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&elr->lr_super->s_umount
HALF_LOCKED2		&grp->alloc_sem

fs/ext4/ext4_jbd2.c __ext4_handle_dirty_metadata() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
PARAM_VALUE	0	handle->h_transaction	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
DATA_SOURCE	0	handle	$2
STR_LEN	0	handle	(-1)-1
STR_LEN	0	handle	(-1)-1
RX_PATH
TASK_NOT_RUNNING

fs/ext4/ext4_jbd2.c __ext4_journal_ensure_credits() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
PARAM_VALUE	0	handle->h_transaction	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
DATA_SOURCE	0	handle	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

fs/ext4/ext4_jbd2.c __ext4_journal_ensure_credits() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
PARAM_VALUE	0	handle->h_transaction	4096-ptr_max
BUF_SIZE	0	handle	(-1)-s32max
BUF_SIZE	0	handle	(-1)-s32max
DATA_SOURCE	0	handle	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

fs/ext4/ext4_jbd2.c __ext4_journal_start_reserved() -> jbd2_handle_buffer_credits()

Type	Parameter	Key	Value
PARAM_VALUE	0	handle	4096-ptr_max
PARAM_VALUE	0	handle->h_journal	4096-ptr_max
DATA_SOURCE	0	handle	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&pool->lock