ACIL FM

Nama	Ukuran	Aksi
auth.h	6.59 MB	View DL Edit
buffer.h	833 B	View DL Edit
ceph_debug.h	907 B	View DL Edit
ceph_features.h	8.68 MB	View DL Edit
ceph_frag.h	1.97 MB	View DL Edit
ceph_fs.h	27.75 MB	View DL Edit
ceph_hash.h	472 B	View DL Edit
cls_lock_client.h	1.72 MB	View DL Edit
debugfs.h	362 B	View DL Edit
decode.h	9.93 MB	View DL Edit
libceph.h	10.28 MB	View DL Edit
mdsmap.h	1.78 MB	View DL Edit
messenger.h	18.07 MB	View DL Edit
mon_client.h	3.82 MB	View DL Edit
msgpool.h	811 B	View DL Edit
msgr.h	7.16 MB	View DL Edit
osdmap.h	9.06 MB	View DL Edit
osd_client.h	15.55 MB	View DL Edit
pagelist.h	1.92 MB	View DL Edit
rados.h	18.76 MB	View DL Edit
string_table.h	1.3 MB	View DL Edit
striper.h	1.74 MB	View DL Edit
types.h	558 B	View DL Edit

Edit file: /usr/src/kernels/5.14.0-427.31.1.el9_4.x86_64/include/linux/ceph/mdsmap.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _FS_CEPH_MDSMAP_H
#define _FS_CEPH_MDSMAP_H

#include <linux/bug.h>
#include <linux/ceph/types.h>

/*
 * mds map - describe servers in the mds cluster.
 *
 * we limit fields to those the client actually xcares about
 */
struct ceph_mds_info {
	u64 global_id;
	struct ceph_entity_addr addr;
	s32 state;
	int num_export_targets;
	bool laggy;
	u32 *export_targets;
};

struct ceph_mdsmap {
	u32 m_epoch, m_client_epoch, m_last_failure;
	u32 m_root;
	u32 m_session_timeout;          /* seconds */
	u32 m_session_autoclose;        /* seconds */
	u64 m_max_file_size;
	u64 m_max_xattr_size;		/* maximum size for xattrs blob */
	u32 m_max_mds;			/* expected up:active mds number */
	u32 m_num_active_mds;		/* actual up:active mds number */
	u32 possible_max_rank;		/* possible max rank index */
	struct ceph_mds_info *m_info;

/* which object pools file data can be stored in */
	int m_num_data_pg_pools;
	u64 *m_data_pg_pools;
	u64 m_cas_pg_pool;

bool m_enabled;
	bool m_damaged;
	int m_num_laggy;
};

static inline struct ceph_entity_addr *
ceph_mdsmap_get_addr(struct ceph_mdsmap *m, int w)
{
	if (w >= m->possible_max_rank)
		return NULL;
	return &m->m_info[w].addr;
}

static inline int ceph_mdsmap_get_state(struct ceph_mdsmap *m, int w)
{
	BUG_ON(w < 0);
	if (w >= m->possible_max_rank)
		return CEPH_MDS_STATE_DNE;
	return m->m_info[w].state;
}

static inline bool ceph_mdsmap_is_laggy(struct ceph_mdsmap *m, int w)
{
	if (w >= 0 && w < m->possible_max_rank)
		return m->m_info[w].laggy;
	return false;
}

extern int ceph_mdsmap_get_random_mds(struct ceph_mdsmap *m);
struct ceph_mdsmap *ceph_mdsmap_decode(void **p, void *end, bool msgr2);
extern void ceph_mdsmap_destroy(struct ceph_mdsmap *m);
extern bool ceph_mdsmap_is_cluster_available(struct ceph_mdsmap *m);

#endif

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