Viewing: osd_internal.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
* Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*
* Shared definitions and declarations for osd module
*
* Author: Nikita Danilov <nikita@clusterfs.com>
*/
#ifndef _OSD_INTERNAL_H
#define _OSD_INTERNAL_H
/* struct mutex */
#include <linux/mutex.h>
/* struct rw_semaphore */
#include <linux/rwsem.h>
/* struct dentry */
#include <linux/dcache.h>
/* struct dirent64 */
#include <linux/dirent.h>
#include <lustre_compat/linux/security.h>
#include <linux/statfs.h>
#include <linux/bio.h>
#include <linux/file.h>
#include <linux/mount.h>
#include <ldiskfs/ldiskfs.h>
#include <ldiskfs/ldiskfs_jbd2.h>
#include <lustre_compat.h>
/* LUSTRE_OSD_NAME */
#include <obd.h>
/* class_register_type(), class_unregister_type() */
#include <obd_class.h>
#include <lustre_disk.h>
#include <dt_object.h>
#include <lustre_quota.h>
#include "osd_oi.h"
#include "osd_iam.h"
#include "osd_scrub.h"
#include "osd_quota_fmt.h"
#ifdef HAVE_LINUX_BLK_INTEGRITY_HEADER
#include <linux/blk-integrity.h>
#endif
#ifdef HAVE_BI_BDEV
#define bio_get_dev(bio) ((bio)->bi_bdev)
#define bio_get_disk(bio) (bio_get_dev(bio)->bd_disk)
#define bio_get_queue(bio) bdev_get_queue(bio_get_dev(bio))
#ifndef HAVE_BIO_SET_DEV
# define bio_set_dev(bio, bdev) (bio_get_dev(bio) = (bdev))
#endif
#else
#define bio_get_disk(bio) ((bio)->bi_disk)
#define bio_get_queue(bio) (bio_get_disk(bio)->queue)
#endif
struct inode;
extern struct kmem_cache *dynlock_cachep;
#define OSD_COUNTERS (0)
/* ldiskfs special inode::i_state_flags need to be accessed with
* ldiskfs_{set,clear,test}_inode_state() only */
/* OI scrub should skip this inode. */
#define LDISKFS_STATE_LUSTRE_NOSCRUB 31
#define LDISKFS_STATE_LUSTRE_DESTROY 30
/** Enable thandle usage statistics */
#define OSD_THANDLE_STATS (0)
#define MAX_OBJID_GROUP (FID_SEQ_ECHO + 1)
#define OBJECTS "OBJECTS"
#define ADMIN_USR "admin_quotafile_v2.usr"
#define ADMIN_GRP "admin_quotafile_v2.grp"
/* Statfs space reservation for fragmentation and local objects */
#define OSD_STATFS_RESERVED (1ULL << 23) /* 8MB */
#define OSD_STATFS_RESERVED_SHIFT (7) /* reserve 0.78% of all space */
/* Default extent bytes when declaring write commit */
#define OSD_DEFAULT_EXTENT_BYTES (1U << 20)
#define OBD_BRW_MAPPED OBD_BRW_LOCAL1
struct osd_directory {
struct iam_container od_container;
struct iam_descr od_descr;
};
/*
* Object Index (oi) instance.
*/
struct osd_oi {
/* underlying index object, where fid->id mapping in stored. */
struct inode *oi_inode;
struct osd_directory oi_dir;
};
extern const int osd_dto_credits_noquota[];
/*
* the structure describes what logical blocks have been allocated
* and initialized in a file already. having this one we can do
* parallel lookup for blocks already allocated and improve concurrent
* writes to a file.
*/
struct osd_block_ready_map {
unsigned long start;
unsigned long end;
unsigned long time; /* last time used */
};
/* how many blocks to allocate at once */
#define OSD_BRM_ALLOC_SIZE 4
/* how many areas of allocated blocks to save */
#define OSD_BRM_MAX 4
struct osd_object {
struct dt_object oo_dt;
/**
* Inode for file system object represented by this osd_object. This
* inode is pinned for the whole duration of lu_object life.
*
* Not modified concurrently (either setup early during object
* creation, or assigned by osd_create() under write lock).
*/
struct inode *oo_inode;
/**
* to protect index ops.
*/
/* XXX: union with directory stuff */
struct osd_block_ready_map *oo_brm;
struct htree_lock_head *oo_hl_head;
struct rw_semaphore oo_ext_idx_sem;
struct osd_directory *oo_dir;
/** protects inode attributes. */
spinlock_t oo_guard;
/**
* Following two members *compat_dot* are used to indicate
* the presence of dot and dotdot in the given directory.
* This is required for interop mode (b11826).
*/
__u32 oo_destroyed:1,
oo_pfid_in_lma:1,
oo_compat_dot_created:1,
oo_compat_dotdot_created:1,
oo_prealloc_writes:1,
oo_on_orphan_list:1,
oo_lmv_updated:1;
/* the i_flags in LMA */
__u32 oo_lma_flags;
atomic_t oo_dirent_count;
struct list_head oo_xattr_list;
struct lu_object_header *oo_header;
};
struct osd_obj_seq {
/* protects on-fly initialization */
int oos_subdir_count; /* subdir count for each seq */
struct dentry *oos_root; /* O/<seq> */
struct dentry **oos_dirs; /* O/<seq>/d0-dXX */
u64 oos_seq; /* seq number */
struct list_head oos_seq_list; /* list to seq_list */
};
struct osd_obj_map {
struct dentry *om_root; /* dentry for /O */
rwlock_t om_seq_list_lock; /* lock for seq_list */
struct list_head om_seq_list; /* list head for seq */
int om_subdir_count;
struct mutex om_dir_init_mutex;
};
struct osd_mdobj {
struct dentry *om_root; /* AGENT/<index> */
u64 om_index; /* mdt index */
struct list_head om_list; /* list to omm_list */
};
struct osd_mdobj_map {
struct dentry *omm_remote_parent;
};
int osd_ldiskfs_add_entry(struct osd_thread_info *info, struct osd_device *osd,
handle_t *handle, struct dentry *child,
struct inode *inode, struct htree_lock *hlock);
#define OSD_OTABLE_IT_CACHE_SIZE 64
#define OSD_OTABLE_IT_CACHE_MASK (~(OSD_OTABLE_IT_CACHE_SIZE - 1))
struct osd_inconsistent_item {
/* link into lustre_scrub::os_inconsistent_items,
* protected by lustre_scrub::os_lock. */
struct list_head oii_list;
/* The right FID <=> ino#/gen mapping. */
struct osd_idmap_cache oii_cache;
unsigned int oii_insert:1; /* insert or update mapping. */
};
struct osd_otable_cache {
struct osd_idmap_cache ooc_cache[OSD_OTABLE_IT_CACHE_SIZE];
/* Index for next cache slot to be filled. */
int ooc_producer_idx;
/* Index for next cache slot to be returned by it::next(). */
int ooc_consumer_idx;
/* How many items in ooc_cache. */
__u64 ooc_cached_items;
/* Position for up layer LFSCK iteration pre-loading. */
__u64 ooc_pos_preload;
};
struct osd_otable_it {
struct osd_device *ooi_dev;
struct osd_otable_cache ooi_cache;
struct osd_iit_param ooi_iit_param;
/* The following bits can be updated/checked w/o lock protection.
* If more bits will be introduced in the future and need lock to
* protect, please add comment. */
unsigned long ooi_used_outside:1, /* Some user out of OSD
* uses the iteration. */
ooi_all_cached:1, /* No more entries can be
* filled into cache. */
ooi_user_ready:1, /* The user out of OSD is
* ready to iterate. */
ooi_waiting:1; /* it::next is waiting. */
};
struct osd_obj_orphan {
struct list_head oor_list;
struct lu_env *oor_env; /* to identify "own" records */
__u32 oor_ino;
};
enum osd_t10_type {
OSD_T10_TYPE_UNKNOWN = 0x00,
OSD_T10_TYPE1 = 0x01,
OSD_T10_TYPE2 = 0x02,
OSD_T10_TYPE3 = 0x04,
OSD_T10_TYPE_CRC = 0x08,
OSD_T10_TYPE_IP = 0x10,
OSD_T10_TYPE1_CRC = OSD_T10_TYPE1 | OSD_T10_TYPE_CRC,
OSD_T10_TYPE2_CRC = OSD_T10_TYPE2 | OSD_T10_TYPE_CRC,
OSD_T10_TYPE3_CRC = OSD_T10_TYPE3 | OSD_T10_TYPE_CRC,
OSD_T10_TYPE1_IP = OSD_T10_TYPE1 | OSD_T10_TYPE_IP,
OSD_T10_TYPE2_IP = OSD_T10_TYPE2 | OSD_T10_TYPE_IP,
OSD_T10_TYPE3_IP = OSD_T10_TYPE3 | OSD_T10_TYPE_IP,
};
/*
* osd device.
*/
struct osd_device {
/* super-class */
struct dt_device od_dt_dev;
/* information about underlying file system */
struct vfsmount *od_mnt;
/* object index */
struct osd_oi **od_oi_table;
/* total number of OI containers */
int od_oi_count;
/* FID Capability */
unsigned int od_fl_capa:1,
od_maybe_new:1,
od_igif_inoi:1,
od_check_ff:1,
od_is_ost:1,
od_in_init:1,
od_index_in_idif:1,
/* Other flags */
od_read_cache:1,
od_writethrough_cache:1,
od_nonrotational:1,
od_enable_projid_xattr:1,
od_extents_dense:1;
__u32 od_dirent_journal;
int od_index;
struct proc_dir_entry *od_proc_entry;
struct lprocfs_stats *od_stats;
spinlock_t od_osfs_lock;
int od_fallocate_zero_blocks;
atomic_t od_connects;
struct lu_site od_site;
struct osd_obj_map *od_ost_map;
struct osd_mdobj_map *od_mdt_map;
/* objects with size > od_readcache_max_filesize will be
* served bypassing pagecache unless already cached */
unsigned long long od_readcache_max_filesize;
/* reads >= od_readcache_max_iosize will be
* served bypassing pagecache unless already cached */
unsigned long od_readcache_max_iosize;
/* writes >= od_writethough_max_iosize will be
* served bypassing pagecache unless already cached */
unsigned long od_writethrough_max_iosize;
struct brw_stats od_brw_stats;
atomic_t od_r_in_flight;
atomic_t od_w_in_flight;
struct mutex od_otable_mutex;
struct osd_otable_it *od_otable_it;
struct osd_scrub od_scrub;
struct list_head od_ios_list;
/* service name associated with the osd device */
char od_svname[MAX_OBD_NAME];
char od_mntdev[MAX_OBD_NAME];
guid_t od_uuid;
/* quota slave instance for inode */
struct qsd_instance *od_quota_slave_md;
/* quota slave instance for block */
struct qsd_instance *od_quota_slave_dt;
/* If the ratio of "the total OI mappings count" vs
* "the bad OI mappings count" is lower than the
* osd_device::od_full_scrub_ratio, then trigger
* OI scrub to scan the whole the device. */
__u64 od_full_scrub_ratio;
/* If the speed of found bad OI mappings (per minute)
* exceeds the osd_device::od_full_scrub_threshold_rate,
* then trigger OI scrub to scan the whole device. */
__u64 od_full_scrub_threshold_rate;
/* a list of orphaned agent inodes, protected with od_osfs_lock */
struct list_head od_orphan_list;
struct list_head od_index_backup_list;
struct list_head od_index_restore_list;
spinlock_t od_lock;
struct inode *od_index_backup_inode;
enum lustre_index_backup_policy od_index_backup_policy;
int od_index_backup_stop;
/* T10PI type, zero if not supported */
enum osd_t10_type od_t10_type;
atomic_t od_commit_cb_in_flight;
wait_queue_head_t od_commit_cb_done;
unsigned int __percpu *od_extent_bytes_percpu;
struct workqueue_struct *od_integrityd_wq;
};
static inline struct qsd_instance *osd_def_qsd(struct osd_device *osd)
{
if (osd->od_is_ost)
return osd->od_quota_slave_dt;
else
return osd->od_quota_slave_md;
}
enum osd_full_scrub_ratio {
/* Trigger OI scrub to scan the whole device directly. */
OFSR_DIRECTLY = 0,
/* Because the bad OI mappings count cannot be larger than
* the total OI mappints count, then setting OFSR_NEVER means
* that the whole device scanning cannot be triggered by auto
* detected bad OI mappings during the RPC services. */
OFSR_NEVER = 1,
OFSR_DEFAULT = 10000,
};
#define FULL_SCRUB_THRESHOLD_RATE_DEFAULT 60
/* There are at most 15 uid/gid/projids are affected in a transaction, and
* that's rename case:
* - 3 for source parent uid & gid & projid;
* - 3 for source child uid & gid & projid ('..' entry update when
* child is directory);
* - 3 for target parent uid & gid & projid;
* - 3 for target child uid & gid & projid(if the target child exists);
* - 3 for root uid & gid(last_rcvd, llog, etc);
*
*/
#define OSD_MAX_UGID_CNT 15
enum osd_op_type {
OSD_OT_ATTR_SET = 0,
OSD_OT_PUNCH,
OSD_OT_XATTR_SET,
OSD_OT_CREATE,
OSD_OT_DESTROY,
OSD_OT_REF_ADD,
OSD_OT_REF_DEL,
OSD_OT_WRITE,
OSD_OT_INSERT,
OSD_OT_DELETE,
OSD_OT_QUOTA,
OSD_OT_PREALLOC,
OSD_OT_MAX
};
struct osd_access_lock {
struct list_head tl_list;
struct osd_object *tl_obj;
loff_t tl_start;
loff_t tl_end;
int tl_mode;
bool tl_shared;
bool tl_truncate;
bool tl_fallocate;
};
struct osd_thandle {
struct thandle ot_super;
handle_t *ot_handle;
#ifdef HAVE_S_TXN_CB_MAP
transaction_t *ot_transaction;
struct rb_node ot_node;
struct list_head ot_cblist;
#else
struct ldiskfs_journal_cb_entry ot_jcb;
#endif
struct list_head ot_commit_dcb_list;
struct list_head ot_stop_dcb_list;
unsigned int ot_credits;
/*
* For iterative operation within one transaction,
* for example fallocate, it is a number of credits
* enough for completing at least one iteration.
*/
unsigned int ot_credits_iter;
unsigned int oh_declared_ext;
/* quota IDs related to the transaction */
unsigned short ot_id_cnt;
__u8 ot_id_res[OSD_MAX_UGID_CNT];
__u8 ot_id_types[OSD_MAX_UGID_CNT];
uid_t ot_id_array[OSD_MAX_UGID_CNT];
struct lquota_trans *ot_quota_trans;
unsigned int ot_remove_agents:1;
unsigned int ot_quota_credits_accounted:1;
#if OSD_THANDLE_STATS
/** time when this handle was allocated */
ktime_t oth_alloced;
/** time when this thanle was started */
ktime_t oth_started;
#endif
struct list_head ot_trunc_locks;
/*
* list of declarations, used for large transactions to check
* for duplicates, like llogs
*/
struct list_head ot_declare_list;
};
/**
* Basic transaction credit op
*/
enum dt_txn_op {
DTO_INDEX_INSERT,
DTO_INDEX_DELETE,
DTO_INDEX_UPDATE,
DTO_OBJECT_CREATE,
DTO_OBJECT_DELETE,
DTO_ATTR_SET_BASE,
DTO_XATTR_SET,
DTO_WRITE_BASE,
DTO_WRITE_BLOCK,
DTO_ATTR_SET_CHOWN,
DTO_NR
};
struct osd_obj_declare {
struct list_head old_list;
struct lu_fid old_fid;
enum dt_txn_op old_op;
loff_t old_pos;
};
/*
* osd dev stats
*/
#ifdef CONFIG_PROC_FS
enum {
LPROC_OSD_READ_BYTES = 0,
LPROC_OSD_WRITE_BYTES = 1,
LPROC_OSD_GET_PAGE = 2,
LPROC_OSD_NO_PAGE = 3,
LPROC_OSD_CACHE_ACCESS = 4,
LPROC_OSD_CACHE_HIT = 5,
LPROC_OSD_CACHE_MISS = 6,
#if OSD_THANDLE_STATS
LPROC_OSD_THANDLE_STARTING,
LPROC_OSD_THANDLE_OPEN,
LPROC_OSD_THANDLE_CLOSING,
#endif
LPROC_OSD_TOO_MANY_CREDITS,
LPROC_OSD_LAST,
};
#endif
/**
* Storage representation for fids.
*
* Variable size, first byte contains the length of the whole record.
*/
struct osd_fid_pack {
unsigned char fp_len;
char fp_area[sizeof(struct lu_fid)];
};
struct osd_it_ea_dirent {
struct lu_fid oied_fid;
__u64 oied_ino;
__u64 oied_off;
unsigned short oied_namelen;
unsigned int oied_type;
char oied_name[];
} __attribute__((packed));
/**
* as osd_it_ea_dirent (in memory dirent struct for osd) is greater
* than lu_dirent struct. osd readdir reads less number of dirent than
* required for mdd dir page. so buffer size need to be increased so that
* there would be one ext3 readdir for every mdd readdir page.
*/
#define OSD_IT_EA_BUFSIZE (PAGE_SIZE + PAGE_SIZE/4)
/**
* This is iterator's in-memory data structure in interoperability
* mode (i.e. iterator over ldiskfs style directory)
*/
struct osd_it_ea {
struct osd_object *oie_obj;
/** used in ldiskfs iterator, to stored file pointer */
struct file oie_file;
/** how many entries have been read-cached from storage */
int oie_rd_dirent;
/** current entry is being iterated by caller */
int oie_it_dirent;
/** current processing entry */
struct osd_it_ea_dirent *oie_dirent;
/** buffer to hold entries, size == OSD_IT_EA_BUFSIZE */
void *oie_buf;
struct dentry oie_dentry;
};
/**
* Iterator's in-memory data structure for IAM mode.
*/
struct osd_it_iam {
struct osd_object *oi_obj;
struct iam_path_descr *oi_ipd;
struct iam_iterator oi_it;
};
struct osd_quota_leaf {
struct list_head oql_link;
uint oql_blk;
};
/**
* Iterator's in-memory data structure for quota file.
*/
struct osd_it_quota {
struct osd_object *oiq_obj;
/** tree blocks path to where the entry is stored */
uint oiq_blk[LUSTRE_DQTREEDEPTH + 1];
/** on-disk offset for current key where quota record can be found */
loff_t oiq_offset;
/** identifier for current quota record */
__u64 oiq_id;
/** the record index in the leaf/index block */
uint oiq_index[LUSTRE_DQTREEDEPTH + 1];
/** list of already processed leaf blocks */
struct list_head oiq_list;
};
#define MAX_BLOCKS_PER_PAGE (PAGE_SIZE / 512)
struct osd_iobuf {
wait_queue_head_t dr_wait;
atomic_t dr_numreqs; /* number of reqs being processed */
int dr_max_pages;
int dr_npages;
unsigned int dr_pextents; /* number block extents */
unsigned int dr_lextents; /* number a logical extents */
int dr_error;
int dr_frags;
unsigned int dr_init_at:16, /* the line iobuf was initialized */
dr_elapsed_valid:1, /* we really did count time */
dr_rw:1;
struct niobuf_local **dr_lnbs;
struct lu_buf dr_bl_buf;
struct lu_buf dr_lnb_buf;
sector_t *dr_blocks;
ktime_t dr_start_time;
ktime_t dr_elapsed; /* how long io took */
struct osd_device *dr_dev;
/* Already written blocks of the start page */
unsigned int dr_start_pg_wblks;
struct inode *dr_inode;
};
#define osd_dirty_inode(inode, flag) (inode)->i_sb->s_op->dirty_inode((inode), flag)
#define osd_i_blocks(inode, size) ((size) >> (inode)->i_blkbits)
static inline struct timespec64 osd_inode_time(struct inode *inode,
s64 seconds)
{
struct timespec64 ts = { .tv_sec = seconds };
return ts;
}
/*
* any object can be identified unique way:
* - OSD (filesystem)
* - inode + generation (unique object within a given filesystem)
*
* version increments each insert/delete in a directory
*/
struct osd_lookup_cache_object {
struct osd_device *lco_osd;
u32 lco_ino;
u32 lco_gen;
u32 lco_version;
};
struct osd_lookup_cache_entry {
struct osd_lookup_cache_object lce_obj;
struct lu_fid lce_fid;
short lce_rc;
short lce_namelen;
char lce_name[LDISKFS_NAME_LEN + 1];
};
#define OSD_LOOKUP_CACHE_MAX 3
struct osd_lookup_cache {
struct osd_lookup_cache_entry olc_entry[OSD_LOOKUP_CACHE_MAX];
int olc_cur;
int olc_mount_seq;
};
#define OSD_INS_CACHE_SIZE 8
struct osd_thread_info {
const struct lu_env *oti_env;
/**
* used for index operations.
*/
struct dentry oti_obj_dentry;
struct file oti_file;
struct dentry oti_child_dentry;
/** dentry for Iterator context. */
struct dentry oti_it_dentry;
/* osd_statfs() */
struct kstatfs oti_ksfs;
struct htree_lock *oti_hlock;
struct lu_fid oti_fid;
struct lu_fid oti_fid2;
struct lu_fid oti_fid3;
struct osd_inode_id oti_id;
struct osd_inode_id oti_id2;
struct osd_inode_id oti_id3;
struct ost_id oti_ostid;
/**
* following ipd and it structures are used for osd_index_iam_lookup()
* these are defined separately as we might do index operation
* in open iterator session.
*/
/** pre-allocated buffer used by oti_it_ea, size OSD_IT_EA_BUFSIZE */
void *oti_it_ea_buf;
unsigned int oti_it_ea_buf_used:1;
/* IAM iterator for index operation. */
struct iam_iterator oti_idx_it;
/** union to guarantee that ->oti_ipd[] has proper alignment. */
union {
char oti_name[48];
char oti_it_ipd[DX_IPD_MAX_SIZE];
long long oti_alignment_lieutenant;
};
union {
char oti_idx_ipd[DX_IPD_MAX_SIZE];
long long oti_alignment_lieutenant_colonel;
};
struct osd_idmap_cache oti_cache;
/* dedicated OI cache for insert (which needs inum) */
struct osd_idmap_cache *oti_ins_cache;
int oti_ins_cache_size;
int oti_ins_cache_used;
/* inc by osd_trans_create and dec by osd_trans_stop */
int oti_ins_cache_depth;
int oti_txns;
/** used in osd_fid_set() to put xattr */
struct lu_buf oti_buf;
struct lu_buf oti_big_buf;
/** used in osd_ea_fid_set() to set fid into common ea */
union {
struct lustre_ost_attrs oti_ost_attrs;
struct filter_fid_18_23 oti_ff_old;
struct filter_fid oti_ff;
};
/** 0-copy IO */
struct osd_iobuf oti_iobuf;
/* used to access objects in /O */
struct inode *oti_inode;
#define OSD_FID_REC_SZ 32
char oti_ldp[OSD_FID_REC_SZ];
char oti_ldp2[OSD_FID_REC_SZ];
/* used by quota code */
union {
struct qc_dqblk oti_qdq;
struct if_dqinfo oti_dqinfo;
};
struct lquota_id_info oti_qi;
struct lquota_trans oti_quota_trans;
union lquota_rec oti_quota_rec;
__u64 oti_quota_id;
struct lu_seq_range oti_seq_range;
/* Tracking for transaction credits, to allow debugging and optimizing
* cases where a large number of credits are being allocated for
* single transaction. */
unsigned int oti_credits_before;
unsigned int oti_declare_ops[OSD_OT_MAX];
unsigned int oti_declare_ops_cred[OSD_OT_MAX];
unsigned int oti_declare_ops_used[OSD_OT_MAX];
struct osd_directory oti_iam;
struct folio **oti_dio_folios;
int oti_dio_pages_used;
struct osd_it_ea_dirent *oti_seq_dirent;
struct osd_it_ea_dirent *oti_dir_dirent;
struct inode *oti_lastid_inode;
struct osd_lookup_cache_object oti_cobj; /* cache object id */
struct osd_lookup_cache *oti_lookup_cache;
};
extern int ldiskfs_pdo;
/* autoconf test is in lustre-build-ldiskfs.m4 */
#ifdef HAVE_BVEC_ITER_ALL
#define DECLARE_BVEC_ITER_ALL(iter) struct bvec_iter_all iter
#else
#define DECLARE_BVEC_ITER_ALL(iter) int iter
#endif
#ifndef HAVE_POSIX_ACL_TYPE
static inline int posix_acl_type(const char *name)
{
if (strcmp(name, XATTR_NAME_POSIX_ACL_ACCESS) == 0)
return ACL_TYPE_ACCESS;
if (strcmp(name, XATTR_NAME_POSIX_ACL_DEFAULT) == 0)
return ACL_TYPE_DEFAULT;
return -1;
}
#endif
static inline int __osd_acl_get(struct inode *inode, const char *name,
void *buf, int len)
{
struct posix_acl *acl;
int acl_type, error;
size_t acl_sz;
void *value = NULL;
acl_type = posix_acl_type(name);
if (acl_type < 0)
return -EINVAL;
#ifdef HAVE_IOP_GET_INODE_ACL
acl = get_inode_acl(inode, acl_type);
#else
acl = get_acl(inode, acl_type);
#endif
if (IS_ERR(acl))
return PTR_ERR(acl);
if (!acl)
return -ENODATA;
value = posix_acl_to_xattr(&init_user_ns, acl, &acl_sz, GFP_NOFS);
/* caller just wanted the required acl size */
if (!buf || !len)
GOTO(out, error = acl_sz);
if (IS_ERR_OR_NULL(value))
GOTO(out, error = -ENOMEM);
if (acl_sz > len)
GOTO(out, error = -ERANGE);
error = acl_sz;
memcpy(buf, value, acl_sz);
out:
kfree(value);
posix_acl_release(acl);
return error;
}
static inline int __osd_acl_set(struct dentry *dentry, struct inode *inode,
const char *name, const void *buf,
int buflen)
{
int acl_type;
int error;
struct posix_acl *acl = NULL;
acl_type = posix_acl_type(name);
if (acl_type < 0)
return -EINVAL;
if (buflen) {
acl = posix_acl_from_xattr(&init_user_ns, buf, buflen);
if (IS_ERR(acl))
return PTR_ERR(acl);
}
#ifdef HAVE_MNT_IDMAP_ARG
error = set_posix_acl(&nop_mnt_idmap, dentry, acl_type, acl);
#elif defined HAVE_ACL_WITH_DENTRY
error = set_posix_acl(&init_user_ns, dentry, acl_type, acl);
#elif defined HAVE_SET_POSIX_ACL_USER_NS
error = set_posix_acl(&init_user_ns, inode, acl_type, acl);
#else
error = set_posix_acl(inode, acl_type, acl);
#endif
posix_acl_release(acl);
return error;
}
static inline int __osd_acl_del(struct dentry *dentry, struct inode *inode,
const char *name)
{
int acl_type;
acl_type = posix_acl_type(name);
if (acl_type < 0)
return -EINVAL;
#ifdef HAVE_MNT_IDMAP_ARG
return set_posix_acl(&nop_mnt_idmap, dentry, acl_type, NULL);
#elif defined HAVE_ACL_WITH_DENTRY
return set_posix_acl(&init_user_ns, dentry, acl_type, NULL);
#elif defined HAVE_SET_POSIX_ACL_USER_NS
return set_posix_acl(&init_user_ns, inode, acl_type, NULL);
#else
return set_posix_acl(inode, acl_type, NULL);
#endif
}
static inline int __osd_xattr_get(struct inode *inode, struct dentry *dentry,
const char *name, void *buf, int len)
{
if (inode == NULL)
return -EINVAL;
dentry->d_inode = inode;
dentry->d_sb = inode->i_sb;
if (strcmp(name, XATTR_NAME_ACL_ACCESS) == 0 ||
strcmp(name, XATTR_NAME_ACL_DEFAULT) == 0)
return __osd_acl_get(inode, name, buf, len);
else
return __vfs_getxattr(dentry, inode, name, buf, len);
}
static inline int __osd_xattr_set(struct osd_thread_info *info,
struct inode *inode, const char *name,
const void *buf, int buflen, int fl)
{
struct dentry *dentry = &info->oti_child_dentry;
dquot_initialize(inode);
dentry->d_inode = inode;
dentry->d_sb = inode->i_sb;
if (strcmp(name, XATTR_NAME_ACL_ACCESS) == 0 ||
strcmp(name, XATTR_NAME_ACL_DEFAULT) == 0)
return __osd_acl_set(dentry, inode, name, buf, buflen);
else
return ll_vfs_setxattr(dentry, inode, name, buf, buflen, fl);
}
static inline int __osd_xattr_del(struct inode *inode, struct dentry *dentry,
const char *name)
{
dquot_initialize(inode);
dentry->d_inode = inode;
dentry->d_sb = inode->i_sb;
if (strcmp(name, XATTR_NAME_ACL_ACCESS) == 0 ||
strcmp(name, XATTR_NAME_ACL_DEFAULT) == 0)
return __osd_acl_del(dentry, inode, name);
else
return ll_vfs_removexattr(dentry, inode, name);
}
static inline char *osd_oid_name(char *name, size_t name_size,
const struct lu_fid *fid, u64 id)
{
snprintf(name, name_size,
(fid_seq_is_rsvd(fid_seq(fid)) ||
fid_seq_is_mdt0(fid_seq(fid)) ||
fid_seq_is_idif(fid_seq(fid))) ? "%llu" : "%llx", id);
return name;
}
#ifdef CONFIG_PROC_FS
/* osd_lproc.c */
extern struct lprocfs_vars lprocfs_osd_obd_vars[];
int osd_procfs_init(struct osd_device *osd, const char *name);
void osd_procfs_fini(struct osd_device *osd);
void osd_brw_stats_update(struct osd_device *osd, struct osd_iobuf *iobuf);
#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 52, 0)
int osd_register_proc_index_in_idif(struct osd_device *osd);
#endif
#endif
int osd_statfs(const struct lu_env *env, struct dt_device *dev,
struct obd_statfs *sfs, struct obd_statfs_info *info);
struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
struct osd_inode_id *id, int flags);
struct inode *
osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
struct osd_inode_id *id, struct lu_fid *fid, int flags);
int osd_ea_fid_set(struct osd_thread_info *info, struct inode *inode,
const struct lu_fid *fid, __u32 compat, __u32 incompat);
struct osd_obj_seq *osd_seq_load(struct osd_thread_info *info,
struct osd_device *osd, u64 seq);
int osd_get_lma(struct osd_thread_info *info, struct inode *inode,
struct dentry *dentry, struct lustre_ost_attrs *loa);
void osd_add_oi_cache(struct osd_thread_info *info, struct osd_device *osd,
struct osd_inode_id *id, const struct lu_fid *fid);
int osd_get_idif(struct osd_thread_info *info, struct inode *inode,
struct dentry *dentry, struct lu_fid *fid);
struct osd_it_ea *osd_it_dir_init(const struct lu_env *env,
struct osd_device *dev, struct inode *inode,
u32 attr);
void osd_it_dir_fini(const struct lu_env *env, struct osd_it_ea *oie,
struct inode *inode);
int osd_ldiskfs_it_fill(const struct lu_env *env, const struct dt_it *di);
int osd_obj_map_init(const struct lu_env *env, struct osd_device *osd);
void osd_obj_map_fini(struct osd_device *dev);
int osd_obj_map_lookup(struct osd_thread_info *info, struct osd_device *osd,
const struct lu_fid *fid, struct osd_inode_id *id);
int osd_obj_map_insert(struct osd_thread_info *info, struct osd_device *osd,
const struct lu_fid *fid, const struct osd_inode_id *id,
handle_t *th);
int osd_obj_map_delete(struct osd_thread_info *info, struct osd_device *osd,
const struct lu_fid *fid, handle_t *th);
int osd_obj_map_update(struct osd_thread_info *info, struct osd_device *osd,
const struct lu_fid *fid, const struct osd_inode_id *id,
handle_t *th);
int osd_obj_map_recover(struct osd_thread_info *info, struct osd_device *osd,
struct inode *src_parent, struct dentry *src_child,
const struct lu_fid *fid);
int osd_obj_spec_lookup(struct osd_thread_info *info, struct osd_device *osd,
const struct lu_fid *fid, struct osd_inode_id *id,
enum oi_check_flags flags);
int osd_obj_spec_insert(struct osd_thread_info *info, struct osd_device *osd,
const struct lu_fid *fid, const struct osd_inode_id *id,
handle_t *th, bool locked);
int osd_obj_spec_update(struct osd_thread_info *info, struct osd_device *osd,
const struct lu_fid *fid, const struct osd_inode_id *id,
handle_t *th, bool locked);
int osd_obj_del_entry(struct osd_thread_info *info, struct osd_device *osd,
struct dentry *dird, char *name, int namelen,
handle_t *th);
char *osd_lf_fid2name(const struct lu_fid *fid);
int osd_scrub_start(const struct lu_env *env, struct osd_device *dev,
__u32 flags);
void osd_scrub_stop(struct osd_device *dev);
int osd_scrub_setup(const struct lu_env *env, struct osd_device *dev,
bool restored);
void osd_scrub_cleanup(const struct lu_env *env, struct osd_device *dev);
int osd_scrub_oi_insert(struct osd_device *dev, const struct lu_fid *fid,
struct osd_inode_id *id, int insert);
bool osd_scrub_oi_resurrect(struct lustre_scrub *scrub,
const struct lu_fid *fid);
void osd_scrub_dump(struct seq_file *m, struct osd_device *dev);
struct dentry *osd_lookup_noperm_unlocked(struct osd_device *dev,
struct qstr *qstr,
struct dentry *base);
struct dentry *osd_lookup_noperm(struct osd_device *dev, struct qstr *qstr,
struct dentry *base);
int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
u64 seq, struct lu_seq_range *range);
int osd_delete_from_remote_parent(const struct lu_env *env,
struct osd_device *osd,
struct osd_object *obj,
struct osd_thandle *oh, bool destroy);
int osd_add_to_remote_parent(const struct lu_env *env, struct osd_device *osd,
struct osd_object *obj, struct osd_thandle *oh);
int osd_lookup_in_remote_parent(struct osd_thread_info *oti,
struct osd_device *osd,
const struct lu_fid *fid,
struct osd_inode_id *id);
int osd_ost_seq_exists(struct osd_thread_info *info, struct osd_device *osd,
__u64 seq);
int osd_scrub_refresh_mapping(struct osd_thread_info *info,
struct osd_device *dev,
const struct lu_fid *fid,
const struct osd_inode_id *id,
int ops, bool force,
enum oi_check_flags flags, bool *exist);
struct file *osd_get_filp_for_inode(struct osd_thread_info *oti,
struct inode *inode);
/* osd_quota_fmt.c */
int walk_tree_dqentry(const struct lu_env *env, struct osd_object *obj,
int type, uint blk, int depth, uint index,
struct osd_it_quota *it);
int walk_block_dqentry(const struct lu_env *env, struct osd_object *obj,
int type, uint blk, uint index,
struct osd_it_quota *it);
loff_t find_tree_dqentry(const struct lu_env *env,
struct osd_object *obj, int type,
qid_t dqid, uint blk, int depth,
struct osd_it_quota *it);
/* osd_quota.c */
int osd_declare_qid(const struct lu_env *env, struct osd_thandle *oh,
struct lquota_id_info *qi, struct osd_object *obj,
bool enforce, enum osd_quota_local_flags *local_flags);
int osd_declare_inode_qid(const struct lu_env *env, qid_t uid, qid_t gid,
__u32 projid, long long space, struct osd_thandle *oh,
struct osd_object *obj,
enum osd_quota_local_flags *local_flags,
enum osd_qid_declare_flags);
const struct dt_rec *osd_quota_pack(struct osd_object *obj,
const struct dt_rec *rec,
union lquota_rec *quota_rec);
void osd_quota_unpack(struct osd_object *obj, const struct dt_rec *rec);
static inline u32 i_projid_read(struct inode *inode)
{
return (u32)from_kprojid(&init_user_ns, LDISKFS_I(inode)->i_projid);
}
static inline void i_projid_write(struct inode *inode, u32 projid)
{
kprojid_t kprojid;
kprojid = make_kprojid(&init_user_ns, (projid_t)projid);
LDISKFS_I(inode)->i_projid = kprojid;
}
#ifdef HAVE_LDISKFS_IGET_WITH_FLAGS
# define osd_ldiskfs_iget(sb, inum, flags) \
ldiskfs_iget((sb), (inum), LDISKFS_IGET_HANDLE | flags)
#else
# define osd_ldiskfs_iget(sb, inum, flags) ldiskfs_iget((sb), (inum))
# define LDISKFS_IGET_SPECIAL 0
#endif
#ifndef HAVE_LDISKFS_IGET_EA_INODE
# define LDISKFS_IGET_NO_CHECKS 0
#endif
#ifdef HAVE_LDISKFS_INFO_JINODE
# define osd_attach_jinode(inode) ldiskfs_inode_attach_jinode(inode)
#else /* HAVE_LDISKFS_INFO_JINODE */
# define osd_attach_jinode(inode) 0
#endif /* HAVE_LDISKFS_INFO_JINODE */
#ifndef HAVE_JBD2_JOURNAL_GET_MAX_TXN_BUFS
#define jbd2_journal_get_max_txn_bufs(jrnl) \
(jrnl->j_max_transaction_buffers)
#endif
# define osd_journal_start_sb(sb, type, nblock) \
ldiskfs_journal_start_sb(sb, type, nblock)
#ifdef HAVE_LDISKFS_JOURNAL_ENSURE_CREDITS
# define osd_journal_start_with_revoke(sb, type, nblock, revoke) \
ldiskfs_journal_start_with_revoke((sb)->s_root->d_inode, type, \
nblock, revoke)
#else
# define osd_journal_start_with_revoke(sb, type, nblock, revoke) \
ldiskfs_journal_start_sb(sb, type, nblock)
#endif
static inline struct buffer_head *osd_ldiskfs_append(handle_t *handle,
struct inode *inode,
ldiskfs_lblk_t *nblock)
{
int rc;
rc = osd_attach_jinode(inode);
if (rc)
return ERR_PTR(rc);
return ldiskfs_append(handle, inode, nblock);
}
# ifdef HAVE___LDISKFS_FIND_ENTRY
# define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
(__ldiskfs_find_entry(dir, name, de, inlined, lock) ?: \
ERR_PTR(-ENOENT))
# else
# define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
(ldiskfs_find_entry_locked(dir, name, de, inlined, lock) ?: \
ERR_PTR(-ENOENT))
# endif
# define osd_journal_start(inode, type, nblocks) \
ldiskfs_journal_start(inode, type, nblocks)
# define osd_transaction_size(dev) \
(jbd2_journal_get_max_txn_bufs(osd_journal(dev)) / 2)
#ifndef HAVE___LDISKFS_FIND_ENTRY
# define __ldiskfs_add_entry(handle, child, inode, hlock) \
ldiskfs_add_entry_locked(handle, child, inode, hlock)
#endif
/*
* Invariants, assertions.
*/
/*
* XXX: do not enable this, until invariant checking code is made thread safe
* in the face of pdirops locking.
*/
#define OSD_INVARIANT_CHECKS (0)
#if OSD_INVARIANT_CHECKS
static inline int osd_invariant(const struct osd_object *obj)
{
return obj != NULL &&
ergo(obj->oo_inode != NULL,
obj->oo_inode->i_sb == osd_sb(osd_obj2dev(obj)) &&
atomic_read(&obj->oo_inode->i_count) > 0) &&
ergo(obj->oo_dir != NULL &&
obj->oo_dir->od_conationer.ic_object != NULL,
obj->oo_dir->od_conationer.ic_object == obj->oo_inode);
}
#else
#define osd_invariant(obj) (1)
#endif
#define OSD_MAX_CACHE_SIZE OBD_OBJECT_EOF
#define OSD_READCACHE_MAX_IO_MB 8
#define OSD_WRITECACHE_MAX_IO_MB 8
extern const struct dt_index_operations osd_otable_ops;
static inline int osd_oi_fid2idx(struct osd_device *dev,
const struct lu_fid *fid)
{
return fid->f_seq & (dev->od_oi_count - 1);
}
static inline struct osd_oi *osd_fid2oi(struct osd_device *osd,
const struct lu_fid *fid)
{
LASSERTF(!fid_is_idif(fid), DFID"\n", PFID(fid));
LASSERTF(!fid_is_last_id(fid), DFID"\n", PFID(fid));
LASSERTF(osd->od_oi_table != NULL && osd->od_oi_count >= 1,
DFID"\n", PFID(fid));
/* It can work even od_oi_count equals to 1 although it's unexpected,
* the only reason we set it to 1 is for performance measurement */
return osd->od_oi_table[osd_oi_fid2idx(osd, fid)];
}
extern const struct lu_device_operations osd_lu_ops;
static inline int lu_device_is_osd(const struct lu_device *d)
{
return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &osd_lu_ops);
}
static inline struct osd_device *osd_dt_dev(const struct dt_device *d)
{
LASSERT(lu_device_is_osd(&d->dd_lu_dev));
return container_of(d, struct osd_device, od_dt_dev);
}
static inline struct osd_device *osd_dev(const struct lu_device *d)
{
LASSERT(lu_device_is_osd(d));
return osd_dt_dev(container_of(d, struct dt_device, dd_lu_dev));
}
static inline struct osd_device *osd_obj2dev(const struct osd_object *o)
{
return osd_dev(o->oo_dt.do_lu.lo_dev);
}
static inline struct super_block *osd_sb(const struct osd_device *dev)
{
if (!dev->od_mnt)
return NULL;
return dev->od_mnt->mnt_sb;
}
static inline const char *osd_sb2name(const struct super_block *sb)
{
/* this is LDISKFS_SB(sb), but preserves "const" */
const struct ldiskfs_sb_info *sbi = sb->s_fs_info;
return sbi->s_es->s_volume_name;
}
static inline const char *osd_dev2name(const struct osd_device *dev)
{
return osd_sb2name(osd_sb(dev));
}
static inline const char *osd_ino2name(const struct inode *inode)
{
return osd_sb2name(inode->i_sb);
}
/**
* Put the osd object once done with it.
*
* \param obj osd object that needs to be put
*/
static inline void osd_object_put(const struct lu_env *env,
struct osd_object *obj)
{
dt_object_put(env, &obj->oo_dt);
}
static inline int osd_object_is_root(const struct osd_object *obj)
{
return obj->oo_inode && is_root_inode(obj->oo_inode);
}
static inline struct osd_object *osd_obj(const struct lu_object *o)
{
LASSERT(lu_device_is_osd(o->lo_dev));
return container_of(o, struct osd_object, oo_dt.do_lu);
}
static inline struct osd_object *osd_dt_obj(const struct dt_object *d)
{
return osd_obj(&d->do_lu);
}
static inline struct lu_device *osd2lu_dev(struct osd_device *osd)
{
return &osd->od_dt_dev.dd_lu_dev;
}
static inline journal_t *osd_journal(const struct osd_device *dev)
{
return LDISKFS_SB(osd_sb(dev))->s_journal;
}
static inline struct seq_server_site *osd_seq_site(struct osd_device *osd)
{
return osd->od_dt_dev.dd_lu_dev.ld_site->ld_seq_site;
}
static inline char *osd_name(struct osd_device *osd)
{
return osd->od_svname;
}
static inline bool osd_is_ea_inode(struct inode *inode)
{
return !!(LDISKFS_I(inode)->i_flags & LDISKFS_EA_INODE_FL);
}
extern const struct dt_body_operations osd_body_ops;
extern struct lu_context_key osd_key;
static inline struct osd_thread_info *osd_oti_get(const struct lu_env *env)
{
return lu_context_key_get(&env->le_ctx, &osd_key);
}
extern const struct dt_body_operations osd_body_ops_new;
/**
* IAM Iterator
*/
static inline
struct iam_path_descr *osd_it_ipd_get(const struct lu_env *env,
const struct iam_container *bag)
{
return bag->ic_descr->id_ops->id_ipd_alloc(bag,
osd_oti_get(env)->oti_it_ipd);
}
static inline
struct iam_path_descr *osd_idx_ipd_get(const struct lu_env *env,
const struct iam_container *bag)
{
return bag->ic_descr->id_ops->id_ipd_alloc(bag,
osd_oti_get(env)->oti_idx_ipd);
}
static inline void osd_ipd_put(const struct lu_env *env,
const struct iam_container *bag,
struct iam_path_descr *ipd)
{
bag->ic_descr->id_ops->id_ipd_free(ipd);
}
int osd_calc_bkmap_credits(struct super_block *sb, struct inode *inode,
const loff_t size, const loff_t pos,
const int blocks);
int osd_ldiskfs_read(struct inode *inode, void *buf, int size, loff_t *offs);
int osd_ldiskfs_write(struct osd_device *osd, struct inode *inode, void *buf,
int bufsize, int write_NUL, loff_t *offs,
handle_t *handle);
static inline
struct dentry *osd_child_dentry_by_inode(const struct lu_env *env,
struct inode *inode,
const char *name, const int namelen)
{
struct osd_thread_info *info = osd_oti_get(env);
struct dentry *child_dentry = &info->oti_child_dentry;
struct dentry *obj_dentry = &info->oti_obj_dentry;
obj_dentry->d_inode = inode;
obj_dentry->d_sb = inode->i_sb;
obj_dentry->__d_name.hash = 0;
child_dentry->__d_name.hash = 0;
child_dentry->d_parent = obj_dentry;
child_dentry->__d_name.name = name;
child_dentry->__d_name.len = namelen;
return child_dentry;
}
extern int osd_trans_declare_op2rb[];
extern int ldiskfs_track_declares_assert;
void osd_trans_dump_creds(const struct lu_env *env, struct thandle *th);
static inline void osd_trans_declare_op(const struct lu_env *env,
struct osd_thandle *oh,
enum osd_op_type op, int credits)
{
struct osd_thread_info *oti = osd_oti_get(env);
LASSERT(oh->ot_handle == NULL);
if (unlikely(op >= OSD_OT_MAX)) {
if (unlikely(ldiskfs_track_declares_assert)) {
LASSERT(op < OSD_OT_MAX);
} else {
CWARN("%s: Invalid operation index %d\n",
osd_name(osd_dt_dev(oh->ot_super.th_dev)), op);
dump_stack();
}
} else {
oti->oti_declare_ops[op]++;
oti->oti_declare_ops_cred[op] += credits;
}
oh->ot_credits += credits;
}
/* linux: v5.4-rc3-21-g933f1c1e0b75 renamed h_buffer_credits */
#ifdef HAVE_JOURNAL_TOTAL_CREDITS
#define h_buffer_credits h_total_credits
#endif
static inline void osd_trans_exec_op(const struct lu_env *env,
struct thandle *th,
enum osd_op_type op)
{
struct osd_thread_info *oti = osd_oti_get(env);
struct osd_thandle *oh = container_of(th, struct osd_thandle,
ot_super);
unsigned int rb, left;
LASSERT(oh->ot_handle != NULL);
if (unlikely(op >= OSD_OT_MAX)) {
if (unlikely(ldiskfs_track_declares_assert))
LASSERT(op < OSD_OT_MAX);
else {
CWARN("%s: opcode %u: invalid value >= %u\n",
osd_name(osd_dt_dev(oh->ot_super.th_dev)),
op, OSD_OT_MAX);
dump_stack();
return;
}
}
/* find rollback (or reverse) operation for the given one
* such an operation doesn't require additional credits
* as the same set of blocks are modified */
rb = osd_trans_declare_op2rb[op];
/* check whether credits for this operation were reserved at all */
if (unlikely(oti->oti_declare_ops_cred[op] == 0 &&
oti->oti_declare_ops_cred[rb] == 0)) {
/* the API is not perfect yet: CREATE does REF_ADD internally
* while DESTROY does not. To rollback CREATE the callers
* needs to call REF_DEL+DESTROY which is hard to detect using
* a simple table of rollback operations */
if (op == OSD_OT_REF_DEL &&
oti->oti_declare_ops_cred[OSD_OT_CREATE] > 0)
goto proceed;
if (op == OSD_OT_REF_ADD &&
oti->oti_declare_ops_cred[OSD_OT_DESTROY] > 0)
goto proceed;
CWARN("%s: opcode %u: credits = 0, rollback = %u\n",
osd_name(osd_dt_dev(oh->ot_super.th_dev)), op, rb);
osd_trans_dump_creds(env, th);
LASSERT(!ldiskfs_track_declares_assert);
}
proceed:
/* remember how many credits we have unused before the operation */
oti->oti_credits_before = oh->ot_handle->h_buffer_credits;
left = oti->oti_declare_ops_cred[op] - oti->oti_declare_ops_used[op];
if (unlikely(oti->oti_credits_before < left)) {
CWARN("%s: opcode %u: before %u < left %u, rollback = %u\n",
osd_name(osd_dt_dev(oh->ot_super.th_dev)), op,
oti->oti_credits_before, left, rb);
osd_trans_dump_creds(env, th);
/* on a very small fs (testing?) it's possible that
* the transaction can't fit 1/4 of journal, so we
* just request less credits (see osd_trans_start()).
* ignore the same case here */
rb = osd_transaction_size(osd_dt_dev(th->th_dev));
if (unlikely(oh->ot_credits < rb))
LASSERT(!ldiskfs_track_declares_assert);
}
}
static inline void osd_trans_exec_check(const struct lu_env *env,
struct thandle *th,
enum osd_op_type op)
{
struct osd_thread_info *oti = osd_oti_get(env);
struct osd_thandle *oh = container_of(th, struct osd_thandle,
ot_super);
int used, over, quota;
/* how many credits have been used by the operation */
used = oti->oti_credits_before - oh->ot_handle->h_buffer_credits;
if (unlikely(used < 0)) {
/* if some block was allocated and released in the same
* transaction, then it won't be a part of the transaction
* and delta can be negative */
return;
}
if (used == 0) {
/* rollback operations (e.g. when we destroy just created
* object) should not consume any credits. there is no point
* to confuse the checks below */
return;
}
oti->oti_declare_ops_used[op] += used;
if (oti->oti_declare_ops_used[op] <= oti->oti_declare_ops_cred[op])
return;
/* we account quota for a whole transaction and any operation can
* consume corresponding credits */
over = oti->oti_declare_ops_used[op] -
oti->oti_declare_ops_cred[op];
quota = oti->oti_declare_ops_cred[OSD_OT_QUOTA] -
oti->oti_declare_ops_used[OSD_OT_QUOTA];
if (over <= quota) {
/* probably that credits were consumed by
* quota indirectly (in the depths of ldiskfs) */
oti->oti_declare_ops_used[OSD_OT_QUOTA] += over;
oti->oti_declare_ops_used[op] -= over;
} else {
CWARN("%s: opcode %d: used %u, used now %u, reserved %u\n",
osd_name(osd_dt_dev(oh->ot_super.th_dev)), op,
oti->oti_declare_ops_used[op], used,
oti->oti_declare_ops_cred[op]);
osd_trans_dump_creds(env, th);
if (unlikely(ldiskfs_track_declares_assert))
LBUG();
}
}
/**
* Helper function to pack the fid, ldiskfs stores fid in packed format.
*/
static inline
void osd_fid_pack(struct osd_fid_pack *pack, const struct dt_rec *fid,
struct lu_fid *befider)
{
fid_cpu_to_be(befider, (struct lu_fid *)fid);
memcpy(pack->fp_area, befider, sizeof(*befider));
pack->fp_len = sizeof(*befider) + 1;
}
static inline
int osd_fid_unpack(struct lu_fid *fid, const struct osd_fid_pack *pack)
{
int result = 0;
/* More then one fid can be stored but now copy the first one */
switch (pack->fp_len > sizeof(*fid) && pack->fp_len % sizeof(*fid)) {
case 1:
memcpy(fid, pack->fp_area, sizeof(*fid));
fid_be_to_cpu(fid, fid);
break;
default:
CERROR("unexpected packed fid size: %d\n", pack->fp_len);
result = -EIO;
}
return result;
}
/**
* Quota/Accounting handling
*/
extern const struct dt_index_operations osd_acct_index_ops;
int osd_acct_obj_lookup(struct osd_thread_info *info, struct osd_device *osd,
const struct lu_fid *fid, struct osd_inode_id *id);
/* copy from fs/ext4/dir.c */
static inline int is_32bit_api(void)
{
#ifdef CONFIG_COMPAT
return in_compat_syscall();
#else
return (BITS_PER_LONG == 32);
#endif
}
static inline loff_t ldiskfs_get_htree_eof(struct file *filp)
{
if ((filp->f_mode & FMODE_32BITHASH) ||
(!(filp->f_mode & FMODE_64BITHASH) && is_32bit_api()))
return LDISKFS_HTREE_EOF_32BIT;
else
return LDISKFS_HTREE_EOF_64BIT;
}
static inline int fid_is_internal(const struct lu_fid *fid)
{
return (!fid_is_namespace_visible(fid) && !fid_is_idif(fid));
}
static inline bool is_remote_parent_ino(struct osd_device *o, unsigned long ino)
{
if (o->od_is_ost)
return false;
LASSERT(o->od_mdt_map != NULL);
return ino == o->od_mdt_map->omm_remote_parent->d_inode->i_ino;
}
/**
* ext4_bread/ldiskfs_bread has either 5 or 4 parameters. The error
* return code has been removed and integrated into the pointer in the
* kernel 3.18.
*/
static inline struct buffer_head *__ldiskfs_bread(handle_t *handle,
struct inode *inode,
ldiskfs_lblk_t block,
int create)
{
int rc = 0;
struct buffer_head *bh;
if (create) {
rc = osd_attach_jinode(inode);
if (rc)
return ERR_PTR(rc);
}
#ifdef HAVE_EXT4_BREAD_4ARGS
bh = ldiskfs_bread(handle, inode, block, create);
#else
bh = ldiskfs_bread(handle, inode, block, create, &rc);
if (bh == NULL && rc != 0)
bh = ERR_PTR(rc);
#endif
return bh;
}
#ifdef HAVE_EXT4_JOURNAL_GET_WRITE_ACCESS_4ARGS
# define osd_ldiskfs_journal_get_write_access(handle, sb, bh, flags) \
ldiskfs_journal_get_write_access((handle), (sb), (bh), (flags))
#else
# define LDISKFS_JTR_NONE 0
# define osd_ldiskfs_journal_get_write_access(handle, sb, bh, flags) \
ldiskfs_journal_get_write_access((handle), (bh))
#endif /* HAVE_EXT4_JOURNAL_GET_WRITE_ACCESS_4ARGS */
#ifdef HAVE_EXT4_JOURNAL_GET_CREATE_ACCESS_4ARGS
# define osd_ldiskfs_journal_get_create_access(handle, sb, bh) \
ldiskfs_journal_get_create_access((handle), (sb), (bh), \
LDISKFS_JTR_NONE)
#else
# define osd_ldiskfs_journal_get_create_access(handle, sb, bh) \
ldiskfs_journal_get_create_access((handle), (bh))
#endif /* HAVE_EXT4_JOURNAL_GET_CREATE_ACCESS_4ARGS */
#ifdef HAVE_EXT4_INC_DEC_COUNT_2ARGS
#define osd_ldiskfs_inc_count(h, inode) ldiskfs_inc_count((h), (inode))
#define osd_ldiskfs_dec_count(h, inode) ldiskfs_dec_count((h), (inode))
#else
#define osd_ldiskfs_inc_count(h, inode) ldiskfs_inc_count((inode))
#define osd_ldiskfs_dec_count(h, inode) ldiskfs_dec_count((inode))
#endif /* HAVE_EXT4_INC_DEC_COUNT_2ARGS */
void osd_bio_fini(struct bio *bio);
void osd_fini_iobuf(struct osd_device *d, struct osd_iobuf *iobuf);
static inline int
osd_index_register(struct osd_device *osd, const struct lu_fid *fid,
__u32 keysize, __u32 recsize)
{
return lustre_index_register(&osd->od_dt_dev, osd_name(osd),
&osd->od_index_backup_list, &osd->od_lock,
&osd->od_index_backup_stop,
fid, keysize, recsize);
}
static inline void
osd_index_backup(const struct lu_env *env, struct osd_device *osd, bool backup)
{
struct osd_thread_info *info = osd_oti_get(env);
struct lu_fid *fid = &info->oti_fid3;
struct osd_inode_id *id = &info->oti_id3;
lu_local_obj_fid(fid, INDEX_BACKUP_OID);
osd_id_gen(id, osd->od_index_backup_inode->i_ino,
osd->od_index_backup_inode->i_generation);
osd_add_oi_cache(info, osd, id, fid);
lustre_index_backup(env, &osd->od_dt_dev, osd_name(osd),
&osd->od_index_backup_list, &osd->od_lock,
&osd->od_index_backup_stop, backup);
}
#ifdef LDISKFS_HAS_INCOMPAT_FEATURE
# ifdef LDISKFS_FEATURE_INCOMPAT_EXTENTS
# define ldiskfs_has_feature_extents(sb) \
LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EXTENTS)
# endif
# ifdef LDISKFS_FEATURE_INCOMPAT_EA_INODE
# define ldiskfs_has_feature_ea_inode(sb) \
LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE)
# endif
# ifdef LDISKFS_FEATURE_INCOMPAT_DIRDATA
# define ldiskfs_has_feature_dirdata(sb) \
LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_DIRDATA)
# endif
# ifdef LDISKFS_FEATURE_INCOMPAT_LARGEDIR
# define ldiskfs_has_feature_largedir(sb) \
LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_LARGEDIR)
# define ldiskfs_set_feature_largedir(sb) \
LDISKFS_SET_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_LARGEDIR)
# endif
# ifdef LDISKFS_FEATURE_COMPAT_HAS_JOURNAL
# define ldiskfs_has_feature_journal(sb) \
LDISKFS_HAS_COMPAT_FEATURE(sb, LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)
# endif
# ifdef LDISKFS_FEATURE_RO_COMPAT_QUOTA
# define ldiskfs_has_feature_quota(sb) \
LDISKFS_HAS_RO_COMPAT_FEATURE(sb, LDISKFS_FEATURE_RO_COMPAT_QUOTA)
# endif
# ifdef LDISKFS_FEATURE_RO_COMPAT_PROJECT
# define ldiskfs_has_feature_project(sb) \
LDISKFS_HAS_RO_COMPAT_FEATURE(sb, LDISKFS_FEATURE_RO_COMPAT_PROJECT)
# endif
# ifdef LDISKFS_FEATURE_COMPAT_FAST_COMMIT
# define ldiskfs_has_feature_fast_commit(sb) \
LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_COMPAT_FAST_COMMIT)
# endif
#endif
#ifndef ldiskfs_has_feature_fast_commit
#define ldiskfs_has_feature_fast_commit(sb) false
#endif
int osd_trunc_lock(struct osd_object *obj, struct osd_thandle *oh,
bool shared);
void osd_trunc_unlock_all(const struct lu_env *env, struct list_head *list);
int osd_process_truncates(const struct lu_env *env, struct list_head *list);
void osd_execute_truncate(struct osd_object *obj);
/*
* Maximum size of xattr attributes for FEATURE_INCOMPAT_EA_INODE 1Mb
* This limit is arbitrary, but is reasonable for the xattr API.
*/
#define LDISKFS_XATTR_MAX_LARGE_EA_SIZE (1024 * 1024)
struct osd_bio_private {
struct work_struct obp_work;
struct bvec_iter obp_integrity_iter;
struct bio *obp_bio;
struct osd_iobuf *obp_iobuf;
void *obp_integrity_buf;
/* Start page index in the obp_iobuf for the bio */
int obp_start_page_idx;
};
extern struct kmem_cache *biop_cachep;
int osd_bio_integrity_handle(struct osd_device *osd, struct bio *bio,
struct osd_iobuf *iobuf);
void osd_bio_integrity_verify_fn(struct work_struct *work);
#ifdef HAVE_BIO_BI_PHYS_SEGMENTS
#define osd_bio_nr_segs(bio) ((bio)->bi_phys_segments)
#else
#define osd_bio_nr_segs(bio) bio_segments((bio))
#endif /* HAVE_BIO_BI_PHYS_SEGMENTS */
#if IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY)
static inline unsigned short blk_integrity_interval(struct blk_integrity *bi)
{
return bi->interval_exp ? 1 << bi->interval_exp : 0;
}
static inline const char *blk_integrity_name(struct blk_integrity *bi)
{
#ifdef HAVE_BLK_INTEGRITY_NOVERIFY
return blk_integrity_profile_name(bi);
#else
return bi->profile->name;
#endif
}
static inline unsigned int bip_size(struct bio_integrity_payload *bip)
{
return bip->bip_iter.bi_size;
}
#else /* !CONFIG_BLK_DEV_INTEGRITY */
static inline unsigned short blk_integrity_interval(struct blk_integrity *bi)
{
return 0;
}
static inline const char *blk_integrity_name(struct blk_integrity *bi)
{
/* gcc8 dislikes when strcmp() is called against NULL */
return "";
}
static inline void bip_set_seed(struct bio_integrity_payload *bip,
sector_t seed)
{
}
#endif /* !CONFIG_BLK_DEV_INTEGRITY */
#ifdef HAVE_BLK_INTEGRITY_NOVERIFY
#define INTEGRITY_READ(flag) (!(BLK_INTEGRITY_NOVERIFY & (flag)))
#define INTEGRITY_WRITE(flag) (!(BLK_INTEGRITY_NOGENERATE & (flag)))
#else /* !HAVE_BLK_INTEGRITY_NOVERIFY */
#ifndef INTEGRITY_FLAG_READ
#define INTEGRITY_FLAG_READ BLK_INTEGRITY_VERIFY
#endif
#ifndef INTEGRITY_FLAG_WRITE
#define INTEGRITY_FLAG_WRITE BLK_INTEGRITY_GENERATE
#endif
#define INTEGRITY_READ(flag) (INTEGRITY_FLAG_READ & (flag))
#define INTEGRITY_WRITE(flag) (INTEGRITY_FLAG_WRITE & (flag))
#endif /* HAVE_BLK_INTEGRITY_NOVERIFY */
static inline bool bdev_integrity_enabled(struct block_device *bdev, int rw)
{
#if IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY)
struct blk_integrity *bi = bdev_get_integrity(bdev);
if (bi == NULL)
return false;
#ifdef HAVE_BLK_INTEGRITY_NOVERIFY
if (rw == 0 && INTEGRITY_READ(bi->flags))
return true;
if (rw == 1 && INTEGRITY_WRITE(bi->flags))
return true;
#else
if (rw == 0 && bi->profile->verify_fn != NULL &&
INTEGRITY_READ(bi->flags))
return true;
if (rw == 1 && bi->profile->generate_fn != NULL &&
INTEGRITY_WRITE(bi->flags))
return true;
#endif /* !HAVE_BLK_INTEGRITY_NOVERIFY */
#endif /* !CONFIG_BLK_DEV_INTEGRITY */
return false;
}
bool osd_tx_was_declared(const struct lu_env *env, struct osd_thandle *oth,
struct dt_object *dt, enum dt_txn_op op, loff_t p);
#ifdef HAVE_DQUOT_TRANSFER_WITH_USER_NS
#define osd_dquot_transfer(ns, i, a) dquot_transfer((ns), (i), (a))
#else
#define osd_dquot_transfer(ns, i, a) dquot_transfer((i), (a))
#endif
#ifdef HAVE_FILLDIR_USE_CTX_RETURN_BOOL
#define WRAP_FILLDIR_FN(prefix, fill_fn) \
static bool fill_fn(struct dir_context *buf, const char *name, int namelen, \
loff_t offset, u64 ino, unsigned int d_type) \
{ \
return !prefix##fill_fn(buf, name, namelen, offset, ino, d_type); \
}
#else
#define WRAP_FILLDIR_FN(prefix, fill_fn) \
static int fill_fn(struct dir_context *buf, const char *name, int namelen, \
loff_t offset, u64 ino, unsigned int d_type) \
{ \
return prefix##fill_fn(buf, name, namelen, offset, ino, d_type); \
}
#endif
#define LDISKFS_OSD_USER_MODIFIABLE LUSTRE_FL_USER_MODIFIABLE
#ifdef HAVE_INVALIDATE_FOLIO
#define osd_jbd_invalidate_page(journal, page, offset, len) \
jbd2_journal_invalidate_folio(journal, page_folio(page), offset, len)
#else
#define osd_jbd_invalidate_page(journal, page, offset, len) \
jbd2_journal_invalidatepage(journal, page_folio(page), offset, len)
#endif
#endif /* _OSD_INTERNAL_H */
