Something went wrong. Try again.
(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LINUX_CEPH_STRIPER_H#define _LINUX_CEPH_STRIPER_H
#include <linux/list.h>#include <linux/types.h>
struct ceph_file_layout;
void ceph_calc_file_object_mapping(struct ceph_file_layout *l, u64 off, u64 len, u64 *objno, u64 *objoff, u32 *xlen);
struct ceph_object_extent { struct list_head oe_item; u64 oe_objno; u64 oe_off; u64 oe_len;};
static inline void ceph_object_extent_init(struct ceph_object_extent *ex){ INIT_LIST_HEAD(&ex->oe_item);}
/* * Called for each mapped stripe unit. * * @bytes: number of bytes mapped, i.e. the minimum of the full length * requested (file extent length) or the remainder of the stripe * unit within an object */typedef void (*ceph_object_extent_fn_t)(struct ceph_object_extent *ex, u32 bytes, void *arg);
int ceph_file_to_extents(struct ceph_file_layout *l, u64 off, u64 len, struct list_head *object_extents, struct ceph_object_extent *alloc_fn(void *arg), void *alloc_arg, ceph_object_extent_fn_t action_fn, void *action_arg);int ceph_iterate_extents(struct ceph_file_layout *l, u64 off, u64 len, struct list_head *object_extents, ceph_object_extent_fn_t action_fn, void *action_arg);
struct ceph_file_extent { u64 fe_off; u64 fe_len;};
static inline u64 ceph_file_extents_bytes(struct ceph_file_extent *file_extents, u32 num_file_extents){ u64 bytes = 0; u32 i;
for (i = 0; i < num_file_extents; i++) bytes += file_extents[i].fe_len;
return bytes;}
int ceph_extent_to_file(struct ceph_file_layout *l, u64 objno, u64 objoff, u64 objlen, struct ceph_file_extent **file_extents, u32 *num_file_extents);
u64 ceph_get_num_objects(struct ceph_file_layout *l, u64 size);
#endif