* be used to mark the object status,
* for example migrating or dead. */
__u32 lmv_layout_version; /* Used for directory restriping */
- __u32 lmv_padding;
- struct lu_fid lmv_master_fid; /* The FID of the master object, which
- * is the namespace-visible dir FID */
+ __u32 lmv_padding1;
+ __u64 lmv_padding2;
+ __u64 lmv_padding3;
char lmv_pool_name[LOV_MAXPOOLNAME]; /* pool name */
struct lu_fid lmv_stripe_fids[0]; /* FIDs for each stripe */
};
__u32 lsm_md_layout_version;
__u32 lsm_md_default_count;
__u32 lsm_md_default_index;
- struct lu_fid lsm_md_master_fid;
char lsm_md_pool_name[LOV_MAXPOOLNAME];
struct lmv_oinfo lsm_md_oinfo[0];
};
int lmv_alloc_memmd(struct lmv_stripe_md **lsmp, int stripe_count);
void lmv_free_memmd(struct lmv_stripe_md *lsm);
-static inline void lmv1_cpu_to_le(struct lmv_mds_md_v1 *lmv_dst,
- const struct lmv_mds_md_v1 *lmv_src)
-{
- int i;
-
- lmv_dst->lmv_magic = cpu_to_le32(lmv_src->lmv_magic);
- lmv_dst->lmv_stripe_count = cpu_to_le32(lmv_src->lmv_stripe_count);
- lmv_dst->lmv_master_mdt_index =
- cpu_to_le32(lmv_src->lmv_master_mdt_index);
- lmv_dst->lmv_hash_type = cpu_to_le32(lmv_src->lmv_hash_type);
- lmv_dst->lmv_layout_version = cpu_to_le32(lmv_src->lmv_layout_version);
- for (i = 0; i < lmv_src->lmv_stripe_count; i++)
- fid_cpu_to_le(&lmv_dst->lmv_stripe_fids[i],
- &lmv_src->lmv_stripe_fids[i]);
-}
+int lmvea_load_shards(const struct lu_env *env, struct dt_object *obj,
+ struct lu_dirent *ent, struct lu_buf *buf,
+ bool resize);
static inline void lmv1_le_to_cpu(struct lmv_mds_md_v1 *lmv_dst,
const struct lmv_mds_md_v1 *lmv_src)
&lmv_src->lmv_stripe_fids[i]);
}
-static inline void lmv_cpu_to_le(union lmv_mds_md *lmv_dst,
- const union lmv_mds_md *lmv_src)
-{
- switch (lmv_src->lmv_magic) {
- case LMV_MAGIC_V1:
- lmv1_cpu_to_le(&lmv_dst->lmv_md_v1, &lmv_src->lmv_md_v1);
- break;
- default:
- break;
- }
-}
-
static inline void lmv_le_to_cpu(union lmv_mds_md *lmv_dst,
const union lmv_mds_md *lmv_src)
{
struct dt_object *dir = lfsck->li_obj_dir;
const struct dt_it_ops *iops = &dir->do_index_ops->dio_it;
struct dt_it *di = lfsck->li_di_dir;
- struct lu_dirent *ent = &info->lti_ent;
+ struct lu_dirent *ent =
+ (struct lu_dirent *)info->lti_key;
struct lu_fid *fid = &info->lti_fid;
struct lfsck_bookmark *bk = &lfsck->li_bookmark_ram;
struct ptlrpc_thread *thread = &lfsck->li_thread;
char lti_lma_old[LMA_OLD_SIZE];
};
struct dt_object_format lti_dof;
- /* lti_ent and lti_key must be conjoint,
- * then lti_ent::lde_name will be lti_key. */
- struct lu_dirent lti_ent;
- char lti_key[NAME_MAX + 16];
+ /* There will be '\0' at the end of the name. */
+ char lti_key[sizeof(struct lu_dirent) + NAME_MAX + 1];
char lti_tmpbuf[LFSCK_TMPBUF_LEN];
struct lfsck_request lti_lr;
struct lfsck_async_interpret_args lti_laia;
struct lmv_stripe_md *old_lsm = lli->lli_lsm_md;
int idx;
- CERROR("%s: lmv layout mismatch "DFID"(%p)/"DFID"(%p)"
+ CERROR("%s: inode "DFID"(%p)'s lmv layout mismatch (%p)/(%p)"
"magic:0x%x/0x%x stripe count: %d/%d master_mdt: %d/%d"
"hash_type:0x%x/0x%x layout: 0x%x/0x%x pool:%s/%s\n",
- ll_get_fsname(inode->i_sb, NULL, 0),
- PFID(&lsm->lsm_md_master_fid), lsm,
- PFID(&old_lsm->lsm_md_master_fid), old_lsm,
+ ll_get_fsname(inode->i_sb, NULL, 0), PFID(&lli->lli_fid),
+ inode, lsm, old_lsm,
lsm->lsm_md_magic, old_lsm->lsm_md_magic,
lsm->lsm_md_stripe_count,
old_lsm->lsm_md_stripe_count,
else
lsm->lsm_md_hash_type = le32_to_cpu(lmm1->lmv_hash_type);
lsm->lsm_md_layout_version = le32_to_cpu(lmm1->lmv_layout_version);
- fid_le_to_cpu(&lsm->lsm_md_master_fid, &lmm1->lmv_master_fid);
cplen = strlcpy(lsm->lsm_md_pool_name, lmm1->lmv_pool_name,
sizeof(lsm->lsm_md_pool_name));
- if (!fid_is_sane(&lsm->lsm_md_master_fid))
- RETURN(-EPROTO);
-
if (cplen >= sizeof(lsm->lsm_md_pool_name))
RETURN(-E2BIG);
spinlock_t lod_connects_lock;
int lod_connects;
unsigned int lod_recovery_completed:1,
- lod_initialized:1;
+ lod_initialized:1,
+ lod_lmv_failout:1;
/* lov settings descriptor storing static information */
struct lov_desc lod_desc;
void lod_procfs_fini(struct lod_device *lod);
/* lod_object.c */
+int lod_load_lmv_shards(const struct lu_env *env, struct lod_object *lo,
+ struct lu_buf *buf, bool resize);
int lod_object_set_pool(struct lod_object *o, char *pool);
int lod_declare_striped_object(const struct lu_env *env, struct dt_object *dt,
struct lu_attr *attr,
/*
* lustre/lod/lod_lov.c
*
- * Author: Alex Zhuravlev <alexey.zhuravlev@intel.com>
+ * Author: Alex Zhuravlev <alexey.zhuravlev@intel.com>
*/
#define DEBUG_SUBSYSTEM S_MDS
#include <obd_class.h>
#include <lustre_lfsck.h>
+#include <lustre_lmv.h>
#include "lod_internal.h"
int lod_load_striping_locked(const struct lu_env *env, struct lod_object *lo)
{
struct lod_thread_info *info = lod_env_info(env);
+ struct lu_buf *buf = &info->lti_buf;
struct dt_object *next = dt_object_child(&lo->ldo_obj);
int rc = 0;
ENTRY;
* there is LOV EA (striping information) in this object
* let's parse it and create in-core objects for the stripes
*/
- info->lti_buf.lb_buf = info->lti_ea_store;
- info->lti_buf.lb_len = info->lti_ea_store_size;
- rc = lod_parse_striping(env, lo, &info->lti_buf);
+ buf->lb_buf = info->lti_ea_store;
+ buf->lb_len = info->lti_ea_store_size;
+ rc = lod_parse_striping(env, lo, buf);
} else if (S_ISDIR(lu_object_attr(lod2lu_obj(lo)))) {
rc = lod_get_lmv_ea(env, lo);
- if (rc <= 0)
- GOTO(out, rc);
+ if (rc < sizeof(struct lmv_mds_md_v1))
+ GOTO(out, rc = rc > 0 ? -EINVAL : rc);
+
+ buf->lb_buf = info->lti_ea_store;
+ buf->lb_len = info->lti_ea_store_size;
+ if (rc == sizeof(struct lmv_mds_md_v1)) {
+ rc = lod_load_lmv_shards(env, lo, buf, true);
+ if (buf->lb_buf != info->lti_ea_store) {
+ OBD_FREE_LARGE(info->lti_ea_store,
+ info->lti_ea_store_size);
+ info->lti_ea_store = buf->lb_buf;
+ info->lti_ea_store_size = buf->lb_len;
+ }
+
+ if (rc < 0)
+ GOTO(out, rc);
+ }
+
/*
* there is LOV EA (striping information) in this object
* let's parse it and create in-core objects for the stripes
*/
- info->lti_buf.lb_buf = info->lti_ea_store;
- info->lti_buf.lb_len = info->lti_ea_store_size;
- rc = lod_parse_dir_striping(env, lo, &info->lti_buf);
+ rc = lod_parse_dir_striping(env, lo, buf);
}
out:
RETURN(rc);
};
/**
+ * Append the FID for each shard of the striped directory after the
+ * given LMV EA header.
+ *
+ * To simplify striped directory and the consistency verification,
+ * we only store the LMV EA header on disk, for both master object
+ * and slave objects. When someone wants to know the whole LMV EA,
+ * such as client readdir(), we can build the entrie LMV EA on the
+ * MDT side (in RAM) via iterating the sub-directory entries that
+ * are contained in the master object of the stripe directory.
+ *
+ * For the master object of the striped directroy, the valid name
+ * for each shard is composed of the ${shard_FID}:${shard_idx}.
+ *
+ * There may be holes in the LMV EA if some shards' name entries
+ * are corrupted or lost.
+ *
+ * \param[in] env pointer to the thread context
+ * \param[in] lo pointer to the master object of the striped directory
+ * \param[in] buf pointer to the lu_buf which will hold the LMV EA
+ * \param[in] resize whether re-allocate the buffer if it is not big enough
+ *
+ * \retval positive size of the LMV EA
+ * \retval 0 for nothing to be loaded
+ * \retval negative error number on failure
+ */
+int lod_load_lmv_shards(const struct lu_env *env, struct lod_object *lo,
+ struct lu_buf *buf, bool resize)
+{
+ struct lu_dirent *ent =
+ (struct lu_dirent *)lod_env_info(env)->lti_key;
+ struct lod_device *lod = lu2lod_dev(lo->ldo_obj.do_lu.lo_dev);
+ struct dt_object *obj = dt_object_child(&lo->ldo_obj);
+ struct lmv_mds_md_v1 *lmv1 = buf->lb_buf;
+ struct dt_it *it;
+ const struct dt_it_ops *iops;
+ __u32 stripes;
+ __u32 magic = le32_to_cpu(lmv1->lmv_magic);
+ int size;
+ int rc;
+ ENTRY;
+
+ /* If it is not a striped directory, then load nothing. */
+ if (magic != LMV_MAGIC_V1)
+ RETURN(0);
+
+ /* If it is in migration (or failure), then load nothing. */
+ if (le32_to_cpu(lmv1->lmv_hash_type) & LMV_HASH_FLAG_MIGRATION)
+ RETURN(0);
+
+ stripes = le32_to_cpu(lmv1->lmv_stripe_count);
+ if (stripes < 1)
+ RETURN(0);
+
+ size = lmv_mds_md_size(stripes, magic);
+ if (buf->lb_len < size) {
+ struct lu_buf tbuf;
+
+ if (!resize)
+ RETURN(-ERANGE);
+
+ tbuf = *buf;
+ buf->lb_buf = NULL;
+ buf->lb_len = 0;
+ lu_buf_alloc(buf, size);
+ lmv1 = buf->lb_buf;
+ if (lmv1 == NULL)
+ RETURN(-ENOMEM);
+
+ memcpy(buf->lb_buf, tbuf.lb_buf, tbuf.lb_len);
+ }
+
+ if (unlikely(!dt_try_as_dir(env, obj)))
+ RETURN(-ENOTDIR);
+
+ memset(&lmv1->lmv_stripe_fids[0], 0, stripes * sizeof(struct lu_fid));
+ iops = &obj->do_index_ops->dio_it;
+ it = iops->init(env, obj, LUDA_64BITHASH, BYPASS_CAPA);
+ if (IS_ERR(it))
+ RETURN(PTR_ERR(it));
+
+ rc = iops->load(env, it, 0);
+ if (rc == 0)
+ rc = iops->next(env, it);
+ else if (rc > 0)
+ rc = 0;
+
+ while (rc == 0) {
+ char name[FID_LEN + 2] = "";
+ struct lu_fid fid;
+ __u32 index;
+ int len;
+
+ rc = iops->rec(env, it, (struct dt_rec *)ent, LUDA_64BITHASH);
+ if (rc != 0)
+ break;
+
+ rc = -EIO;
+
+ fid_le_to_cpu(&fid, &ent->lde_fid);
+ ent->lde_namelen = le16_to_cpu(ent->lde_namelen);
+ if (ent->lde_name[0] == '.') {
+ if (ent->lde_namelen == 1)
+ goto next;
+
+ if (ent->lde_namelen == 2 && ent->lde_name[1] == '.')
+ goto next;
+ }
+
+ len = snprintf(name, FID_LEN + 1, DFID":", PFID(&ent->lde_fid));
+ /* The ent->lde_name is composed of ${FID}:${index} */
+ if (ent->lde_namelen < len + 1 ||
+ memcmp(ent->lde_name, name, len) != 0) {
+ CDEBUG(lod->lod_lmv_failout ? D_ERROR : D_INFO,
+ "%s: invalid shard name %.*s with the FID "DFID
+ " for the striped directory "DFID", %s\n",
+ lod2obd(lod)->obd_name, ent->lde_namelen,
+ ent->lde_name, PFID(&fid),
+ PFID(lu_object_fid(&obj->do_lu)),
+ lod->lod_lmv_failout ? "failout" : "skip");
+
+ if (lod->lod_lmv_failout)
+ break;
+
+ goto next;
+ }
+
+ index = 0;
+ do {
+ if (ent->lde_name[len] < '0' ||
+ ent->lde_name[len] > '9') {
+ CDEBUG(lod->lod_lmv_failout ? D_ERROR : D_INFO,
+ "%s: invalid shard name %.*s with the "
+ "FID "DFID" for the striped directory "
+ DFID", %s\n",
+ lod2obd(lod)->obd_name, ent->lde_namelen,
+ ent->lde_name, PFID(&fid),
+ PFID(lu_object_fid(&obj->do_lu)),
+ lod->lod_lmv_failout ?
+ "failout" : "skip");
+
+ if (lod->lod_lmv_failout)
+ break;
+
+ goto next;
+ }
+
+ index = index * 10 + ent->lde_name[len++] - '0';
+ } while (len < ent->lde_namelen);
+
+ if (len == ent->lde_namelen) {
+ /* Out of LMV EA range. */
+ if (index >= stripes) {
+ CERROR("%s: the shard %.*s for the striped "
+ "directory "DFID" is out of the known "
+ "LMV EA range [0 - %u], failout\n",
+ lod2obd(lod)->obd_name, ent->lde_namelen,
+ ent->lde_name,
+ PFID(lu_object_fid(&obj->do_lu)),
+ stripes - 1);
+
+ break;
+ }
+
+ /* The slot has been occupied. */
+ if (!fid_is_zero(&lmv1->lmv_stripe_fids[index])) {
+ struct lu_fid fid0;
+
+ fid_le_to_cpu(&fid0,
+ &lmv1->lmv_stripe_fids[index]);
+ CERROR("%s: both the shard "DFID" and "DFID
+ " for the striped directory "DFID
+ " claim the same LMV EA slot at the "
+ "index %d, failout\n",
+ lod2obd(lod)->obd_name,
+ PFID(&fid0), PFID(&fid),
+ PFID(lu_object_fid(&obj->do_lu)), index);
+
+ break;
+ }
+
+ /* stored as LE mode */
+ lmv1->lmv_stripe_fids[index] = ent->lde_fid;
+
+next:
+ rc = iops->next(env, it);
+ }
+ }
+
+ iops->put(env, it);
+ iops->fini(env, it);
+
+ RETURN(rc > 0 ? lmv_mds_md_size(stripes, magic) : rc);
+}
+
+/**
* Implementation of dt_object_operations:: do_index_try
*
* This function will try to initialize the index api pointer for the
ENTRY;
rc = dt_xattr_get(env, dt_object_child(dt), buf, name, capa);
+ if (strcmp(name, XATTR_NAME_LMV) == 0) {
+ struct lmv_mds_md_v1 *lmv1;
+ int rc1 = 0;
+
+ if (rc > sizeof(*lmv1))
+ RETURN(rc);
+
+ if (rc < sizeof(*lmv1))
+ RETURN(rc = rc > 0 ? -EINVAL : rc);
+
+ if (buf->lb_buf == NULL || buf->lb_len == 0) {
+ CLASSERT(sizeof(*lmv1) <= sizeof(info->lti_key));
+
+ info->lti_buf.lb_buf = info->lti_key;
+ info->lti_buf.lb_len = sizeof(*lmv1);
+ rc = dt_xattr_get(env, dt_object_child(dt),
+ &info->lti_buf, name, capa);
+ if (unlikely(rc != sizeof(*lmv1)))
+ RETURN(rc = rc > 0 ? -EINVAL : rc);
+
+ lmv1 = info->lti_buf.lb_buf;
+ /* The on-disk LMV EA only contains header, but the
+ * returned LMV EA size should contain the space for
+ * the FIDs of all shards of the striped directory. */
+ if (le32_to_cpu(lmv1->lmv_magic) == LMV_MAGIC_V1)
+ rc = lmv_mds_md_size(
+ le32_to_cpu(lmv1->lmv_stripe_count),
+ LMV_MAGIC_V1);
+ } else {
+ rc1 = lod_load_lmv_shards(env, lod_dt_obj(dt),
+ buf, false);
+ }
+
+ RETURN(rc = rc1 != 0 ? rc1 : rc);
+ }
+
if (rc != -ENODATA || !S_ISDIR(dt->do_lu.lo_header->loh_attr & S_IFMT))
RETURN(rc);
/**
* Master LMVEA will be same as slave LMVEA, except
* 1. different magic
- * 2. No lmv_stripe_fids on slave
- * 3. lmv_master_mdt_index on slave LMV EA will be stripe_index.
+ * 2. lmv_master_mdt_index on slave LMV EA will be stripe_index.
*/
static void lod_prep_slave_lmv_md(struct lmv_mds_md_v1 *slave_lmv,
const struct lmv_mds_md_v1 *master_lmv)
struct lod_object *lo = lod_dt_obj(dt);
struct lmv_mds_md_v1 *lmm1;
int stripe_count;
- int lmm_size;
int type = LU_SEQ_RANGE_ANY;
- int i;
int rc;
__u32 mdtidx;
ENTRY;
LASSERT(lo->ldo_dir_striped != 0);
LASSERT(lo->ldo_stripenr > 0);
stripe_count = lo->ldo_stripenr;
- lmm_size = lmv_mds_md_size(stripe_count, LMV_MAGIC);
- if (info->lti_ea_store_size < lmm_size) {
- rc = lod_ea_store_resize(info, lmm_size);
+ /* Only store the LMV EA heahder on the disk. */
+ if (info->lti_ea_store_size < sizeof(*lmm1)) {
+ rc = lod_ea_store_resize(info, sizeof(*lmm1));
if (rc != 0)
RETURN(rc);
+ } else {
+ memset(info->lti_ea_store, 0, sizeof(*lmm1));
}
lmm1 = (struct lmv_mds_md_v1 *)info->lti_ea_store;
RETURN(rc);
lmm1->lmv_master_mdt_index = cpu_to_le32(mdtidx);
- fid_cpu_to_le(&lmm1->lmv_master_fid, lu_object_fid(&dt->do_lu));
- for (i = 0; i < lo->ldo_stripenr; i++) {
- struct dt_object *dto;
-
- dto = lo->ldo_stripe[i];
- LASSERT(dto != NULL);
- fid_cpu_to_le(&lmm1->lmv_stripe_fids[i],
- lu_object_fid(&dto->do_lu));
- }
-
lmv_buf->lb_buf = info->lti_ea_store;
- lmv_buf->lb_len = lmm_size;
+ lmv_buf->lb_len = sizeof(*lmm1);
lo->ldo_dir_striping_cached = 1;
RETURN(rc);
if (le32_to_cpu(lmv1->lmv_magic) != LMV_MAGIC_V1)
RETURN(-EINVAL);
- if (le32_to_cpu(lmv1->lmv_stripe_count) <= 1)
+ if (le32_to_cpu(lmv1->lmv_stripe_count) < 1)
RETURN(0);
LASSERT(lo->ldo_stripe == NULL);
if (rc != 0)
RETURN(rc);
- if (lo->ldo_stripenr == 0)
- RETURN(rc);
+ /* Note: Do not set LinkEA on sub-stripes, otherwise
+ * it will confuse the fid2path process(see mdt_path_current()).
+ * The linkEA between master and sub-stripes is set in
+ * lod_xattr_set_lmv(). */
+ if (lo->ldo_stripenr == 0 || strcmp(name, XATTR_NAME_LINK) == 0)
+ RETURN(0);
for (i = 0; i < lo->ldo_stripenr; i++) {
LASSERT(lo->ldo_stripe[i]);
if (rc != 0 || !S_ISDIR(dt->do_lu.lo_header->loh_attr))
RETURN(rc);
- if (lo->ldo_stripenr == 0)
- RETURN(rc);
+ /* Note: Do not set LinkEA on sub-stripes, otherwise
+ * it will confuse the fid2path process(see mdt_path_current()).
+ * The linkEA between master and sub-stripes is set in
+ * lod_xattr_set_lmv(). */
+ if (lo->ldo_stripenr == 0 || strcmp(name, XATTR_NAME_LINK) == 0)
+ RETURN(0);
for (i = 0; i < lo->ldo_stripenr; i++) {
LASSERT(lo->ldo_stripe[i]);
LPROC_SEQ_FOPS_RO_TYPE(lod, dt_filestotal);
LPROC_SEQ_FOPS_RO_TYPE(lod, dt_filesfree);
+static int lod_lmv_failout_seq_show(struct seq_file *m, void *v)
+{
+ struct obd_device *dev = m->private;
+ struct lod_device *lod;
+
+ LASSERT(dev != NULL);
+ lod = lu2lod_dev(dev->obd_lu_dev);
+
+ return seq_printf(m, "%d\n", lod->lod_lmv_failout ? 1 : 0);
+}
+
+static ssize_t
+lod_lmv_failout_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
+{
+ struct seq_file *m = file->private_data;
+ struct obd_device *dev = m->private;
+ struct lod_device *lod;
+ int val = 0;
+ int rc;
+
+ LASSERT(dev != NULL);
+ lod = lu2lod_dev(dev->obd_lu_dev);
+
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc != 0)
+ return rc;
+
+ if (val != 0)
+ lod->lod_lmv_failout = 1;
+ else
+ lod->lod_lmv_failout = 0;
+
+ return count;
+}
+LPROC_SEQ_FOPS(lod_lmv_failout);
+
static struct lprocfs_seq_vars lprocfs_lod_obd_vars[] = {
{ .name = "uuid",
.fops = &lod_uuid_fops },
.fops = &lod_qos_thresholdrr_fops },
{ .name = "qos_maxage",
.fops = &lod_qos_maxage_fops },
+ { .name = "lmv_failout",
+ .fops = &lod_lmv_failout_fops },
{ 0 }
};
}
mgr_ea = (struct lmv_mds_md_v1 *)info->mti_xattr_buf;
+ memset(mgr_ea, 0, sizeof(mgr_ea));
mgr_ea->lmv_magic = cpu_to_le32(LMV_MAGIC_V1);
mgr_ea->lmv_stripe_count = cpu_to_le32(2);
mgr_ea->lmv_master_mdt_index = mdd_seq_site(mdd)->ss_node_id;
mgr_ea->lmv_hash_type = cpu_to_le32(LMV_HASH_FLAG_MIGRATION);
- fid_cpu_to_le(&mgr_ea->lmv_master_fid, mdd_object_fid(mdd_sobj));
fid_cpu_to_le(&mgr_ea->lmv_stripe_fids[0], mdd_object_fid(mdd_sobj));
fid_cpu_to_le(&mgr_ea->lmv_stripe_fids[1], mdd_object_fid(mdd_tobj));
if (IS_ERR(mdt_obj))
GOTO(out, rc = PTR_ERR(mdt_obj));
- if (mdt_object_remote(mdt_obj)) {
+ if (!mdt_object_exists(mdt_obj)) {
mdt_object_put(info->mti_env, mdt_obj);
- GOTO(remote_out, rc = -EREMOTE);
- }
-
- lmv_buf.lb_buf = info->mti_xattr_buf;
- lmv_buf.lb_len = sizeof(info->mti_xattr_buf);
-
- /* Check if it is slave stripes */
- rc = mo_xattr_get(info->mti_env, mdt_object_child(mdt_obj),
- &lmv_buf, XATTR_NAME_LMV);
- if (rc > 0) {
- union lmv_mds_md *lmm = lmv_buf.lb_buf;
-
- /* For slave stripes, get its master */
- if (le32_to_cpu(lmm->lmv_magic) == LMV_MAGIC_STRIPE) {
- struct lmv_mds_md_v1 *lmm1 = &lmm->lmv_md_v1;
-
- fid_le_to_cpu(tmpfid, &lmm1->lmv_master_fid);
- if (!fid_is_sane(tmpfid)) {
- mdt_object_put(info->mti_env, mdt_obj);
- GOTO(out, rc = -EINVAL);
- }
- mdt_object_put(info->mti_env, mdt_obj);
- pli->pli_fids[pli->pli_fidcount] = *tmpfid;
- continue;
- }
+ GOTO(out, rc = -ENOENT);
}
- if (!mdt_object_exists(mdt_obj)) {
+ if (mdt_object_remote(mdt_obj)) {
mdt_object_put(info->mti_env, mdt_obj);
- GOTO(out, rc = -ENOENT);
+ GOTO(remote_out, rc = -EREMOTE);
}
rc = mdt_links_read(info, mdt_obj, &ldata);
- mdt_object_put(info->mti_env, mdt_obj);
- if (rc != 0)
+ if (rc != 0) {
+ mdt_object_put(info->mti_env, mdt_obj);
GOTO(out, rc);
+ }
leh = buf->lb_buf;
lee = (struct link_ea_entry *)(leh + 1); /* link #0 */
pli->pli_linkno++;
}
+ lmv_buf.lb_buf = info->mti_xattr_buf;
+ lmv_buf.lb_len = sizeof(info->mti_xattr_buf);
+ /* Check if it is slave stripes */
+ rc = mo_xattr_get(info->mti_env, mdt_object_child(mdt_obj),
+ &lmv_buf, XATTR_NAME_LMV);
+ mdt_object_put(info->mti_env, mdt_obj);
+ if (rc > 0) {
+ union lmv_mds_md *lmm = lmv_buf.lb_buf;
+
+ /* For slave stripes, get its master */
+ if (le32_to_cpu(lmm->lmv_magic) == LMV_MAGIC_STRIPE) {
+ pli->pli_fids[pli->pli_fidcount] = *tmpfid;
+ continue;
+ }
+ } else if (rc < 0 && rc != -ENODATA) {
+ GOTO(out, rc);
+ }
+
+ rc = 0;
+
/* Pack the name in the end of the buffer */
ptr -= tmpname->ln_namelen;
if (ptr - 1 <= pli->pli_path)
static struct dt_key *osp_it_key(const struct lu_env *env,
const struct dt_it *di)
{
- LBUG();
- return NULL;
+ struct osp_it *it = (struct osp_it *)di;
+ struct lu_dirent *ent = (struct lu_dirent *)it->ooi_ent;
+
+ return (struct dt_key *)ent->lde_name;
}
static int osp_it_key_size(const struct lu_env *env, const struct dt_it *di)
{
- LBUG();
- return 0;
+ struct osp_it *it = (struct osp_it *)di;
+ struct lu_dirent *ent = (struct lu_dirent *)it->ooi_ent;
+
+ return (int)le16_to_cpu(ent->lde_namelen);
}
static int osp_md_index_it_rec(const struct lu_env *env, const struct dt_it *di,
return 0;
}
+/**
+ * Locate the iteration cursor to the specified position (cookie).
+ *
+ * \param[in] env pointer to the thread context
+ * \param[in] di pointer to the iteration structure
+ * \param[in] hash the specified position
+ *
+ * \retval positive number for locating to the exactly position
+ * or the next
+ * \retval 0 for arriving at the end of the iteration
+ * \retval negative error number on failure
+ */
static int osp_it_load(const struct lu_env *env, const struct dt_it *di,
__u64 hash)
{
- LBUG();
- return 0;
+ struct osp_it *it = (struct osp_it *)di;
+ int rc;
+
+ it->ooi_next = hash;
+ rc = osp_md_index_it_next(env, (struct dt_it *)di);
+ if (rc == 1)
+ return 0;
+
+ if (rc == 0)
+ return 1;
+
+ return rc;
}
const struct dt_index_operations osp_md_index_ops = {
LASSERTF(LOV_PATTERN_CMOBD == 0x00000200UL, "found 0x%.8xUL\n",
(unsigned)LOV_PATTERN_CMOBD);
+ /* Checks for struct lmv_mds_md_v1 */
+ LASSERTF((int)sizeof(struct lmv_mds_md_v1) == 56, "found %lld\n",
+ (long long)(int)sizeof(struct lmv_mds_md_v1));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_magic) == 0, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_magic));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_magic) == 4, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_magic));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_stripe_count) == 4, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_stripe_count));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_stripe_count) == 4, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_stripe_count));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_master_mdt_index) == 8, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_master_mdt_index));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_master_mdt_index) == 4, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_master_mdt_index));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_hash_type) == 12, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_hash_type));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_hash_type) == 4, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_hash_type));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_layout_version) == 16, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_layout_version));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_layout_version) == 4, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_layout_version));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_padding1) == 20, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_padding1));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding1) == 4, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding1));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_padding2) == 24, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_padding2));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding2) == 8, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding2));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_padding3) == 32, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_padding3));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding3) == 8, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding3));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_pool_name[16]) == 56, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_pool_name[16]));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_pool_name[16]) == 1, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_pool_name[16]));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_stripe_fids[0]) == 56, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_stripe_fids[0]));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_stripe_fids[0]) == 16, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_stripe_fids[0]));
+ CLASSERT(LMV_MAGIC_V1 == 0x0CD20CD0);
+ CLASSERT(LMV_MAGIC_STRIPE == 0x0CD40CD0);
+ CLASSERT(LMV_HASH_TYPE_MASK == 0x0000ffff);
+ CLASSERT(LMV_HASH_FLAG_MIGRATION == 0x80000000);
+ CLASSERT(LMV_HASH_FLAG_DEAD == 0x40000000);
+
/* Checks for struct obd_statfs */
LASSERTF((int)sizeof(struct obd_statfs) == 144, "found %lld\n",
(long long)(int)sizeof(struct obd_statfs));
test_mkdir -p -c1 $DIR/$tdir/d2/p/q/r
# regular file
FID=$($LFS path2fid $DIR/$tdir/d2/$tfile | tr -d '[]')
- check_path "$tdir/d2/$tfile" $FSNAME $FID --link 0
+ check_path "$tdir/d2/$tfile" $FSNAME $FID --link 0 ||
+ error "check path $tdir/d2/$tfile failed"
# softlink
ln -s $DIR/$tdir/d2/$tfile $DIR/$tdir/d2/p/q/r/slink
FID=$($LFS path2fid $DIR/$tdir/d2/p/q/r/slink | tr -d '[]')
- check_path "$tdir/d2/p/q/r/slink" $FSNAME $FID --link 0
+ check_path "$tdir/d2/p/q/r/slink" $FSNAME $FID --link 0 ||
+ error "check path $tdir/d2/p/q/r/slink failed"
# softlink to wrong file
ln -s /this/is/garbage $DIR/$tdir/d2/p/q/r/slink.wrong
FID=$($LFS path2fid $DIR/$tdir/d2/p/q/r/slink.wrong | tr -d '[]')
- check_path "$tdir/d2/p/q/r/slink.wrong" $FSNAME $FID --link 0
+ check_path "$tdir/d2/p/q/r/slink.wrong" $FSNAME $FID --link 0 ||
+ error "check path $tdir/d2/p/q/r/slink.wrong failed"
# hardlink
ln $DIR/$tdir/d2/$tfile $DIR/$tdir/d2/p/q/r/hlink
mv $DIR/$tdir/d2/$tfile $DIR/$tdir/d2/a/b/c/new_file
FID=$($LFS path2fid $DIR/$tdir/d2/a/b/c/new_file | tr -d '[]')
# fid2path dir/fsname should both work
- check_path "$tdir/d2/a/b/c/new_file" $FSNAME $FID --link 1
- check_path "$DIR/$tdir/d2/p/q/r/hlink" $DIR $FID --link 0
+ check_path "$tdir/d2/a/b/c/new_file" $FSNAME $FID --link 1 ||
+ error "check path $tdir/d2/a/b/c/new_file failed"
+ check_path "$DIR/$tdir/d2/p/q/r/hlink" $DIR $FID --link 0 ||
+ error "check path $DIR/$tdir/d2/p/q/r/hlink failed"
# hardlink count: check that there are 2 links
# Doesnt work with CMD yet: 17935
# hardlink indexing: remove the first link
rm $DIR/$tdir/d2/p/q/r/hlink
- check_path "$tdir/d2/a/b/c/new_file" $FSNAME $FID --link 0
+ check_path "$tdir/d2/a/b/c/new_file" $FSNAME $FID --link 0 ||
+ error "check path $DIR/$tdir/d2/a/b/c/new_file failed"
return 0
}
for ((i=0;i<5;i++)); do
FID=$($LFS path2fid $DIR/$tdir/striped_dir/f$i | tr -d '[]') ||
error "get fid for f$i failed"
- check_path "$tdir/striped_dir/f$i" $FSNAME $FID --link 0
+ check_path "$tdir/striped_dir/f$i" $FSNAME $FID --link 0 ||
+ error "check path $tdir/striped_dir/f$i failed"
FID=$($LFS path2fid $DIR/$tdir/striped_dir/d$i | tr -d '[]') ||
error "get fid for d$i failed"
- check_path "$tdir/striped_dir/d$i" $FSNAME $FID --link 0
+ check_path "$tdir/striped_dir/d$i" $FSNAME $FID --link 0 ||
+ error "check path $tdir/striped_dir/d$i failed"
done
return 0
ret = ioctl(dirfd(parent), IOC_MDC_GETFILESTRIPE,
(void *)¶m->lmd->lmd_lmm);
+ } else {
+ return 0;
}
if (ret) {
}
static void
+check_lmv_mds_md_v1(void)
+{
+ BLANK_LINE();
+ CHECK_STRUCT(lmv_mds_md_v1);
+ CHECK_MEMBER(lmv_mds_md_v1, lmv_magic);
+ CHECK_MEMBER(lmv_mds_md_v1, lmv_stripe_count);
+ CHECK_MEMBER(lmv_mds_md_v1, lmv_master_mdt_index);
+ CHECK_MEMBER(lmv_mds_md_v1, lmv_hash_type);
+ CHECK_MEMBER(lmv_mds_md_v1, lmv_layout_version);
+ CHECK_MEMBER(lmv_mds_md_v1, lmv_padding1);
+ CHECK_MEMBER(lmv_mds_md_v1, lmv_padding2);
+ CHECK_MEMBER(lmv_mds_md_v1, lmv_padding3);
+ CHECK_MEMBER(lmv_mds_md_v1, lmv_pool_name[LOV_MAXPOOLNAME]);
+ CHECK_MEMBER(lmv_mds_md_v1, lmv_stripe_fids[0]);
+
+ CHECK_CDEFINE(LMV_MAGIC_V1);
+ CHECK_CDEFINE(LMV_MAGIC_STRIPE);
+ CHECK_CDEFINE(LMV_HASH_TYPE_MASK);
+ CHECK_CDEFINE(LMV_HASH_FLAG_MIGRATION);
+ CHECK_CDEFINE(LMV_HASH_FLAG_DEAD);
+}
+
+static void
check_obd_statfs(void)
{
BLANK_LINE();
check_lov_ost_data_v1();
check_lov_mds_md_v1();
check_lov_mds_md_v3();
+ check_lmv_mds_md_v1();
check_obd_statfs();
check_obd_ioobj();
check_obd_quotactl();
LASSERTF(LOV_PATTERN_CMOBD == 0x00000200UL, "found 0x%.8xUL\n",
(unsigned)LOV_PATTERN_CMOBD);
+ /* Checks for struct lmv_mds_md_v1 */
+ LASSERTF((int)sizeof(struct lmv_mds_md_v1) == 56, "found %lld\n",
+ (long long)(int)sizeof(struct lmv_mds_md_v1));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_magic) == 0, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_magic));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_magic) == 4, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_magic));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_stripe_count) == 4, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_stripe_count));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_stripe_count) == 4, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_stripe_count));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_master_mdt_index) == 8, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_master_mdt_index));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_master_mdt_index) == 4, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_master_mdt_index));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_hash_type) == 12, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_hash_type));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_hash_type) == 4, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_hash_type));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_layout_version) == 16, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_layout_version));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_layout_version) == 4, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_layout_version));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_padding1) == 20, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_padding1));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding1) == 4, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding1));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_padding2) == 24, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_padding2));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding2) == 8, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding2));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_padding3) == 32, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_padding3));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding3) == 8, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_padding3));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_pool_name[16]) == 56, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_pool_name[16]));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_pool_name[16]) == 1, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_pool_name[16]));
+ LASSERTF((int)offsetof(struct lmv_mds_md_v1, lmv_stripe_fids[0]) == 56, "found %lld\n",
+ (long long)(int)offsetof(struct lmv_mds_md_v1, lmv_stripe_fids[0]));
+ LASSERTF((int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_stripe_fids[0]) == 16, "found %lld\n",
+ (long long)(int)sizeof(((struct lmv_mds_md_v1 *)0)->lmv_stripe_fids[0]));
+ CLASSERT(LMV_MAGIC_V1 == 0x0CD20CD0);
+ CLASSERT(LMV_MAGIC_STRIPE == 0x0CD40CD0);
+ CLASSERT(LMV_HASH_TYPE_MASK == 0x0000ffff);
+ CLASSERT(LMV_HASH_FLAG_MIGRATION == 0x80000000);
+ CLASSERT(LMV_HASH_FLAG_DEAD == 0x40000000);
+
/* Checks for struct obd_statfs */
LASSERTF((int)sizeof(struct obd_statfs) == 144, "found %lld\n",
(long long)(int)sizeof(struct obd_statfs));
git://git.whamcloud.com / fs / lustre-release.git / commitdiff