FM / ceph

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/ceph/

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/ceph

Name	Size	Mode	Actions
auth.h	6750	0644	edit dl rm
buffer.h	833	0644	edit dl rm
ceph_debug.h	907	0644	edit dl rm
ceph_features.h	8887	0644	edit dl rm
ceph_frag.h	2015	0644	edit dl rm
ceph_fs.h	28384	0644	edit dl rm
ceph_hash.h	472	0644	edit dl rm
cls_lock_client.h	1759	0644	edit dl rm
debugfs.h	362	0644	edit dl rm
decode.h	10172	0644	edit dl rm
libceph.h	10432	0644	edit dl rm
mdsmap.h	1900	0644	edit dl rm
messenger.h	18489	0644	edit dl rm
mon_client.h	3915	0644	edit dl rm
msgpool.h	811	0644	edit dl rm
msgr.h	7333	0644	edit dl rm
osdmap.h	9274	0644	edit dl rm
osd_client.h	15950	0644	edit dl rm
pagelist.h	1971	0644	edit dl rm
rados.h	19214	0644	edit dl rm
string_table.h	1327	0644	edit dl rm
striper.h	1781	0644	edit dl rm
types.h	558	0644	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/linux/ceph/striper.h (1781B)

/* 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

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