extent_buffer Struct Reference

#include <extent_io.h>

Data Fields
u64	start
unsigned long	len
unsigned long	map_start
unsigned long	map_len
unsigned long	bflags
struct extent_io_tree *	tree
spinlock_t	refs_lock
atomic_t	refs
atomic_t	io_pages
int	read_mirror
struct list_head	leak_list
struct rcu_head	rcu_head
pid_t	lock_owner
atomic_t	write_locks
atomic_t	read_locks
atomic_t	blocking_writers
atomic_t	blocking_readers
atomic_t	spinning_readers
atomic_t	spinning_writers
int	lock_nested
rwlock_t	lock
wait_queue_head_t	write_lock_wq
wait_queue_head_t	read_lock_wq
wait_queue_head_t	lock_wq
struct page *	inline_pages [INLINE_EXTENT_BUFFER_PAGES]
struct page **	pages

Detailed Description

Definition at line 127 of file extent_io.h.

Field Documentation

unsigned long bflags

Definition at line 132 of file extent_io.h.

atomic_t blocking_readers

Definition at line 146 of file extent_io.h.

atomic_t blocking_writers

Definition at line 145 of file extent_io.h.

struct page* inline_pages[INLINE_EXTENT_BUFFER_PAGES]

Definition at line 164 of file extent_io.h.

atomic_t io_pages

Definition at line 136 of file extent_io.h.

struct list_head leak_list

Definition at line 138 of file extent_io.h.

unsigned long len

Definition at line 129 of file extent_io.h.

rwlock_t lock

Definition at line 152 of file extent_io.h.

int lock_nested

Definition at line 149 of file extent_io.h.

pid_t lock_owner

Definition at line 140 of file extent_io.h.

wait_queue_head_t lock_wq

Definition at line 163 of file extent_io.h.

unsigned long map_len

Definition at line 131 of file extent_io.h.

unsigned long map_start

Definition at line 130 of file extent_io.h.

struct page** pages

Definition at line 165 of file extent_io.h.

struct rcu_head rcu_head

Definition at line 139 of file extent_io.h.

wait_queue_head_t read_lock_wq

Definition at line 162 of file extent_io.h.

atomic_t read_locks

Definition at line 144 of file extent_io.h.

int read_mirror

Definition at line 137 of file extent_io.h.

atomic_t refs

Definition at line 135 of file extent_io.h.

spinlock_t refs_lock

Definition at line 134 of file extent_io.h.

atomic_t spinning_readers

Definition at line 147 of file extent_io.h.

atomic_t spinning_writers

Definition at line 148 of file extent_io.h.

u64 start

Definition at line 128 of file extent_io.h.

struct extent_io_tree* tree

Definition at line 133 of file extent_io.h.

wait_queue_head_t write_lock_wq

Definition at line 157 of file extent_io.h.

atomic_t write_locks

Definition at line 143 of file extent_io.h.

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The documentation for this struct was generated from the following file:

• fs/btrfs/extent_io.h