#define LOV_MAGIC_V1_DEF 0x0CD10BD0
#define LOV_MAGIC_V3_DEF 0x0CD30BD0
-#define LOV_PATTERN_RAID0 0x001 /* stripes are used round-robin */
-#define LOV_PATTERN_RAID1 0x002 /* stripes are mirrors of each other */
-#define LOV_PATTERN_FIRST 0x100 /* first stripe is not in round-robin */
-#define LOV_PATTERN_CMOBD 0x200
+#define LOV_PATTERN_RAID0 0x001 /* stripes are used round-robin */
+#define LOV_PATTERN_RAID1 0x002 /* stripes are mirrors of each other */
+#define LOV_PATTERN_FIRST 0x100 /* first stripe is not in round-robin */
+#define LOV_PATTERN_CMOBD 0x200
+
+#define LOV_PATTERN_F_MASK 0xffff0000
+#define LOV_PATTERN_F_RELEASED 0x80000000 /* HSM released file */
+
+#define lov_pattern(pattern) (pattern & ~LOV_PATTERN_F_MASK)
+#define lov_pattern_flags(pattern) (pattern & LOV_PATTERN_F_MASK)
#define lov_ost_data lov_ost_data_v1
struct lov_ost_data_v1 { /* per-stripe data structure (little-endian)*/
#define lsm_stripe_count lsm_wire.lw_stripe_count
#define lsm_pool_name lsm_wire.lw_pool_name
+static inline bool lsm_is_released(struct lov_stripe_md *lsm)
+{
+ return !!(lsm->lsm_pattern & LOV_PATTERN_F_RELEASED);
+}
+
+static inline bool lsm_has_objects(struct lov_stripe_md *lsm)
+{
+ if (lsm == NULL)
+ return false;
+ if (lsm_is_released(lsm))
+ return false;
+ return true;
+}
+
struct obd_info;
typedef int (*obd_enqueue_update_f)(void *cookie, int rc);
* locked by I_NEW bit.
*/
lli->lli_clob = clob;
- lli->lli_has_smd = md->lsm != NULL;
+ lli->lli_has_smd = lsm_has_objects(md->lsm);
lu_object_ref_add(&clob->co_lu, "inode", inode);
} else
result = PTR_ERR(clob);
RETURN(-ENOMEM);
lsm = ccc_inode_lsm_get(inode);
- if (lsm == NULL)
+ if (!lsm_has_objects(lsm))
GOTO(out, rc = -ENOENT);
lsm_size = sizeof(*lsm) + (sizeof(struct lov_oinfo) *
* passing it to userspace.
*/
if (LOV_MAGIC != cpu_to_le32(LOV_MAGIC)) {
+ int stripe_count;
+
+ stripe_count = le16_to_cpu(lmm->lmm_stripe_count);
+ if (le32_to_cpu(lmm->lmm_pattern) & LOV_PATTERN_F_RELEASED)
+ stripe_count = 0;
+
/* if function called for directory - we should
* avoid swab not existent lsm objects */
if (lmm->lmm_magic == cpu_to_le32(LOV_MAGIC_V1)) {
if (S_ISREG(body->mode))
lustre_swab_lov_user_md_objects(
((struct lov_user_md_v1 *)lmm)->lmm_objects,
- ((struct lov_user_md_v1 *)lmm)->lmm_stripe_count);
+ stripe_count);
} else if (lmm->lmm_magic == cpu_to_le32(LOV_MAGIC_V3)) {
lustre_swab_lov_user_md_v3((struct lov_user_md_v3 *)lmm);
if (S_ISREG(body->mode))
lustre_swab_lov_user_md_objects(
((struct lov_user_md_v3 *)lmm)->lmm_objects,
- ((struct lov_user_md_v3 *)lmm)->lmm_stripe_count);
+ stripe_count);
}
}
/* If no stripe, we consider version is 0. */
lsm = ccc_inode_lsm_get(inode);
- if (lsm == NULL) {
+ if (!lsm_has_objects(lsm)) {
*data_version = 0;
CDEBUG(D_INODE, "No object for inode\n");
- RETURN(0);
+ GOTO(out, rc = 0);
}
OBD_ALLOC_PTR(obdo);
- if (obdo == NULL) {
- ccc_inode_lsm_put(inode, lsm);
- RETURN(-ENOMEM);
- }
+ if (obdo == NULL)
+ GOTO(out, rc = -ENOMEM);
rc = ll_lsm_getattr(lsm, sbi->ll_dt_exp, NULL, obdo, 0, extent_lock);
- if (!rc) {
+ if (rc == 0) {
if (!(obdo->o_valid & OBD_MD_FLDATAVERSION))
rc = -EOPNOTSUPP;
else
}
OBD_FREE_PTR(obdo);
+ EXIT;
+out:
ccc_inode_lsm_put(inode, lsm);
-
RETURN(rc);
}
RETURN(rc);
}
- ia_valid = op_data->op_attr.ia_valid;
- /* inode size will be in ll_setattr_ost, can't do it now since dirty
- * cache is not cleared yet. */
- op_data->op_attr.ia_valid &= ~(TIMES_SET_FLAGS | ATTR_SIZE);
- rc = simple_setattr(dentry, &op_data->op_attr);
- op_data->op_attr.ia_valid = ia_valid;
-
/* Extract epoch data if obtained. */
op_data->op_handle = md.body->handle;
op_data->op_ioepoch = md.body->ioepoch;
struct ll_inode_info *lli = ll_i2info(inode);
struct md_op_data *op_data = NULL;
struct md_open_data *mod = NULL;
+ unsigned int valid = attr->ia_valid;
int rc = 0, rc1 = 0;
ENTRY;
rc = ll_setattr_ost(inode, attr);
EXIT;
out:
+ if (rc == 0) {
+ /* Update inode attribute after dirty cache is cleaned
+ * by truncating OST objects. */
+ attr->ia_valid |= ATTR_FORCE;
+ rc = simple_setattr(dentry, attr);
+ LASSERT(rc == 0);
+ }
if (op_data) {
if (op_data->op_ioepoch) {
rc1 = ll_setattr_done_writing(inode, op_data, mod);
ll_stats_ops_tally(ll_i2sbi(inode), (attr->ia_valid & ATTR_SIZE) ?
LPROC_LL_TRUNC : LPROC_LL_SETATTR, 1);
- return rc;
+ attr->ia_valid = valid;
+ RETURN(rc);
}
int ll_setattr(struct dentry *de, struct iattr *attr)
inode->i_flags = ll_ext_to_inode_flags(flags);
lsm = ccc_inode_lsm_get(inode);
- if (lsm == NULL)
+ if (!lsm_has_objects(lsm)) {
+ ccc_inode_lsm_put(inode, lsm);
RETURN(0);
+ }
OBDO_ALLOC(oinfo.oi_oa);
if (!oinfo.oi_oa) {
{
struct cl_io *io = ios->cis_io;
struct inode *inode = ccc_object_inode(io->ci_obj);
+ int result = 0;
mutex_lock(&inode->i_mutex);
if (cl_io_is_trunc(io))
- return vvp_io_setattr_trunc(env, ios, inode,
- io->u.ci_setattr.sa_attr.lvb_size);
- else
- return vvp_io_setattr_time(env, ios);
+ result = vvp_io_setattr_trunc(env, ios, inode,
+ io->u.ci_setattr.sa_attr.lvb_size);
+ if (result == 0)
+ result = vvp_io_setattr_time(env, ios);
+ return result;
}
static void vvp_io_setattr_end(const struct lu_env *env,
__u16 ldo_stripenr;
__u16 ldo_layout_gen;
__u32 ldo_stripe_size;
+ __u32 ldo_pattern;
+ __u16 ldo_released_stripenr;
char *ldo_pool;
struct dt_object **ldo_stripe;
/* to know how much memory to free, ldo_stripenr can be less */
ENTRY;
LASSERT(lo);
- LASSERT(lo->ldo_stripenr > 0);
- magic = lo->ldo_pool ? LOV_MAGIC_V3 : LOV_MAGIC_V1;
+ magic = lo->ldo_pool != NULL ? LOV_MAGIC_V3 : LOV_MAGIC_V1;
lmm_size = lov_mds_md_size(lo->ldo_stripenr, magic);
if (info->lti_ea_store_size < lmm_size) {
rc = lod_ea_store_resize(info, lmm_size);
RETURN(rc);
}
+ if (lo->ldo_pattern == 0) /* default striping */
+ lo->ldo_pattern = LOV_PATTERN_RAID0;
+
lmm = info->lti_ea_store;
lmm->lmm_magic = cpu_to_le32(magic);
- lmm->lmm_pattern = cpu_to_le32(LOV_PATTERN_RAID0);
+ lmm->lmm_pattern = cpu_to_le32(lo->ldo_pattern);
fid_to_lmm_oi(fid, &lmm->lmm_oi);
lmm_oi_cpu_to_le(&lmm->lmm_oi, &lmm->lmm_oi);
lmm->lmm_stripe_size = cpu_to_le32(lo->ldo_stripe_size);
lmm->lmm_stripe_count = cpu_to_le16(lo->ldo_stripenr);
+ if (lo->ldo_pattern & LOV_PATTERN_F_RELEASED)
+ lmm->lmm_stripe_count = cpu_to_le16(lo->ldo_released_stripenr);
lmm->lmm_layout_gen = 0;
if (magic == LOV_MAGIC_V1) {
objs = &lmm->lmm_objects[0];
int i, idx, rc = 0;
ENTRY;
- LASSERT(lo);
+ LASSERT(lo != NULL);
LASSERT(lo->ldo_stripe == NULL);
LASSERT(lo->ldo_stripenr > 0);
LASSERT(lo->ldo_stripe_size > 0);
struct lov_mds_md_v1 *lmm;
struct lov_ost_data_v1 *objs;
__u32 magic;
+ __u32 pattern;
int rc = 0;
ENTRY;
lmm = (struct lov_mds_md_v1 *) buf->lb_buf;
magic = le32_to_cpu(lmm->lmm_magic);
+ pattern = le32_to_cpu(lmm->lmm_pattern);
if (magic != LOV_MAGIC_V1 && magic != LOV_MAGIC_V3)
GOTO(out, rc = -EINVAL);
- if (le32_to_cpu(lmm->lmm_pattern) != LOV_PATTERN_RAID0)
+ if (lov_pattern(pattern) != LOV_PATTERN_RAID0)
GOTO(out, rc = -EINVAL);
+ lo->ldo_pattern = pattern;
lo->ldo_stripe_size = le32_to_cpu(lmm->lmm_stripe_size);
- lo->ldo_stripenr = le16_to_cpu(lmm->lmm_stripe_count);
lo->ldo_layout_gen = le16_to_cpu(lmm->lmm_layout_gen);
+ lo->ldo_stripenr = le16_to_cpu(lmm->lmm_stripe_count);
+ /* released file stripenr fixup. */
+ if (pattern & LOV_PATTERN_F_RELEASED)
+ lo->ldo_stripenr = 0;
LASSERT(buf->lb_len >= lov_mds_md_size(lo->ldo_stripenr, magic));
objs = &lmm->lmm_objects[0];
}
- rc = lod_initialize_objects(env, lo, objs);
+ if (lo->ldo_stripenr > 0)
+ rc = lod_initialize_objects(env, lo, objs);
out:
RETURN(rc);
int rc = 0, i;
ENTRY;
- LASSERT(lo->ldo_stripe);
- LASSERT(lo->ldo_stripenr > 0);
LASSERT(lo->ldo_striping_cached == 0);
/* create all underlying objects */
lo->ldo_stripes_allocated = 0;
}
lo->ldo_stripenr = 0;
+ lo->ldo_pattern = 0;
}
/*
GOTO(out, rc = -EINVAL);
}
+ mo->ldo_pattern = le32_to_cpu(v1->lmm_pattern);
mo->ldo_stripe_size = le32_to_cpu(v1->lmm_stripe_size);
mo->ldo_stripenr = le16_to_cpu(v1->lmm_stripe_count);
mo->ldo_layout_gen = le16_to_cpu(v1->lmm_layout_gen);
RETURN(-EINVAL);
}
- if (v1->lmm_pattern != 0 && v1->lmm_pattern != LOV_PATTERN_RAID0) {
+ v1->lmm_magic = magic;
+ if (v1->lmm_pattern == 0)
+ v1->lmm_pattern = LOV_PATTERN_RAID0;
+ if (lov_pattern(v1->lmm_pattern) != LOV_PATTERN_RAID0) {
CERROR("invalid pattern: %x\n", v1->lmm_pattern);
RETURN(-EINVAL);
}
+ lo->ldo_pattern = v1->lmm_pattern;
if (v1->lmm_stripe_size)
lo->ldo_stripe_size = v1->lmm_stripe_size;
} else
lod_object_set_pool(lo, NULL);
+ /* fixup for released file */
+ if (lo->ldo_pattern & LOV_PATTERN_F_RELEASED) {
+ lo->ldo_released_stripenr = lo->ldo_stripenr;
+ lo->ldo_stripenr = 0;
+ }
+
RETURN(0);
}
if (rc)
GOTO(out, rc);
+ /* A released file is being created */
+ if (lo->ldo_stripenr == 0)
+ GOTO(out, rc = 0);
+
if (likely(lo->ldo_stripe == NULL)) {
/*
* no striping has been created so far
* Layout type.
*/
enum lov_layout_type {
- /** empty file without body */
- LLT_EMPTY,
- /** striped file */
- LLT_RAID0,
- LLT_NR
+ LLT_EMPTY, /** empty file without body (mknod + truncate) */
+ LLT_RAID0, /** striped file */
+ LLT_RELEASED, /** file with no objects (data in HSM) */
+ LLT_NR
};
/**
} raid0;
struct lov_layout_state_empty {
} empty;
+ struct lov_layout_state_released {
+ } released;
} u;
/**
* Thread that acquired lov_object::lo_type_guard in an exclusive
struct cl_io *io);
int lov_io_init_empty (const struct lu_env *env, struct cl_object *obj,
struct cl_io *io);
+int lov_io_init_released(const struct lu_env *env, struct cl_object *obj,
+ struct cl_io *io);
void lov_lock_unlink (const struct lu_env *env, struct lov_lock_link *link,
struct lovsub_lock *sub);
static int lsm_lmm_verify_common(struct lov_mds_md *lmm, int lmm_bytes,
__u16 stripe_count)
{
- if (stripe_count == 0 || stripe_count > LOV_V1_INSANE_STRIPE_COUNT) {
+ if (stripe_count > LOV_V1_INSANE_STRIPE_COUNT) {
CERROR("bad stripe count %d\n", stripe_count);
lov_dump_lmm_common(D_WARNING, lmm);
return -EINVAL;
return -EINVAL;
}
- if (lmm->lmm_pattern != cpu_to_le32(LOV_PATTERN_RAID0)) {
+ if (lov_pattern(le32_to_cpu(lmm->lmm_pattern)) != LOV_PATTERN_RAID0) {
CERROR("bad striping pattern\n");
lov_dump_lmm_common(D_WARNING, lmm);
return -EINVAL;
}
*stripe_count = le16_to_cpu(lmm->lmm_stripe_count);
+ if (le32_to_cpu(lmm->lmm_pattern) & LOV_PATTERN_F_RELEASED)
+ *stripe_count = 0;
if (lmm_bytes < lov_mds_md_size(*stripe_count, LOV_MAGIC_V1)) {
CERROR("LOV EA V1 too small: %d, need %d\n",
{
struct lov_oinfo *loi;
int i;
+ int stripe_count;
__u64 stripe_maxbytes = OBD_OBJECT_EOF;
lsm_unpackmd_common(lsm, lmm);
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
+ stripe_count = lsm_is_released(lsm) ? 0 : lsm->lsm_stripe_count;
+
+ for (i = 0; i < stripe_count; i++) {
/* XXX LOV STACKING call down to osc_unpackmd() */
loi = lsm->lsm_oinfo[i];
ostid_le_to_cpu(&lmm->lmm_objects[i].l_ost_oi, &loi->loi_oi);
&stripe_maxbytes);
}
- lsm->lsm_maxbytes = stripe_maxbytes * lsm->lsm_stripe_count;
+ lsm->lsm_maxbytes = stripe_maxbytes * lsm->lsm_stripe_count;
+ if (lsm->lsm_stripe_count == 0)
+ lsm->lsm_maxbytes = stripe_maxbytes * lov->desc.ld_tgt_count;
- return 0;
+ return 0;
}
const struct lsm_operations lsm_v1_ops = {
}
*stripe_count = le16_to_cpu(lmm->lmm_stripe_count);
+ if (le32_to_cpu(lmm->lmm_pattern) & LOV_PATTERN_F_RELEASED)
+ *stripe_count = 0;
if (lmm_bytes < lov_mds_md_size(*stripe_count, LOV_MAGIC_V3)) {
CERROR("LOV EA V3 too small: %d, need %d\n",
struct lov_mds_md_v3 *lmm;
struct lov_oinfo *loi;
int i;
+ int stripe_count;
__u64 stripe_maxbytes = OBD_OBJECT_EOF;
int cplen = 0;
lmm = (struct lov_mds_md_v3 *)lmmv1;
lsm_unpackmd_common(lsm, (struct lov_mds_md_v1 *)lmm);
+
+ stripe_count = lsm_is_released(lsm) ? 0 : lsm->lsm_stripe_count;
+
cplen = strlcpy(lsm->lsm_pool_name, lmm->lmm_pool_name,
sizeof(lsm->lsm_pool_name));
if (cplen >= sizeof(lsm->lsm_pool_name))
return -E2BIG;
- for (i = 0; i < lsm->lsm_stripe_count; i++) {
+ for (i = 0; i < stripe_count; i++) {
/* XXX LOV STACKING call down to osc_unpackmd() */
loi = lsm->lsm_oinfo[i];
ostid_le_to_cpu(&lmm->lmm_objects[i].l_ost_oi, &loi->loi_oi);
&stripe_maxbytes);
}
- lsm->lsm_maxbytes = stripe_maxbytes * lsm->lsm_stripe_count;
+ lsm->lsm_maxbytes = stripe_maxbytes * lsm->lsm_stripe_count;
+ if (lsm->lsm_stripe_count == 0)
+ lsm->lsm_maxbytes = stripe_maxbytes * lov->desc.ld_tgt_count;
- return 0;
+ return 0;
}
const struct lsm_operations lsm_v3_ops = {
RETURN(result != 0);
}
+int lov_io_init_released(const struct lu_env *env, struct cl_object *obj,
+ struct cl_io *io)
+{
+ struct lov_object *lov = cl2lov(obj);
+ struct lov_io *lio = lov_env_io(env);
+ int result;
+ ENTRY;
+
+ LASSERT(lov->lo_lsm != NULL);
+ lio->lis_object = lov;
+
+ switch (io->ci_type) {
+ default:
+ LASSERTF(0, "invalid type %d\n", io->ci_type);
+ case CIT_MISC:
+ case CIT_FSYNC:
+ case CIT_SETATTR:
+ result = +1;
+ break;
+ case CIT_READ:
+ case CIT_WRITE:
+ case CIT_FAULT:
+ /* TODO: need to restore the file. */
+ result = -EBADF;
+ break;
+ }
+ if (result == 0) {
+ cl_io_slice_add(io, &lio->lis_cl, obj, &lov_empty_io_ops);
+ cfs_atomic_inc(&lov->lo_active_ios);
+ }
+
+ io->ci_result = result < 0 ? result : 0;
+ RETURN(result != 0);
+}
/** @} lov */
int cur_stripe = 0, cur_stripe_wrap = 0, stripe_count;
unsigned int buffer_size = FIEMAP_BUFFER_SIZE;
- if (lsm == NULL)
+ if (!lsm_has_objects(lsm))
GOTO(out, rc = 0);
if (fiemap_count_to_size(fm_key->fiemap.fm_extent_count) < buffer_size)
RETURN(result);
}
+static int lov_init_released(const struct lu_env *env,
+ struct lov_device *dev, struct lov_object *lov,
+ const struct cl_object_conf *conf,
+ union lov_layout_state *state)
+{
+ struct lov_stripe_md *lsm = conf->u.coc_md->lsm;
+
+ LASSERT(lsm != NULL);
+ LASSERT(lsm_is_released(lsm));
+ LASSERT(lov->lo_lsm == NULL);
+
+ lov->lo_lsm = lsm_addref(lsm);
+ return 0;
+}
+
static int lov_delete_empty(const struct lu_env *env, struct lov_object *lov,
union lov_layout_state *state)
{
- LASSERT(lov->lo_type == LLT_EMPTY);
+ LASSERT(lov->lo_type == LLT_EMPTY || lov->lo_type == LLT_RELEASED);
lov_layout_wait(env, lov);
static void lov_fini_empty(const struct lu_env *env, struct lov_object *lov,
union lov_layout_state *state)
{
- LASSERT(lov->lo_type == LLT_EMPTY);
+ LASSERT(lov->lo_type == LLT_EMPTY || lov->lo_type == LLT_RELEASED);
}
static void lov_fini_raid0(const struct lu_env *env, struct lov_object *lov,
EXIT;
}
+static void lov_fini_released(const struct lu_env *env, struct lov_object *lov,
+ union lov_layout_state *state)
+{
+ ENTRY;
+ dump_lsm(D_INODE, lov->lo_lsm);
+ lov_free_memmd(&lov->lo_lsm);
+ EXIT;
+}
+
static int lov_print_empty(const struct lu_env *env, void *cookie,
lu_printer_t p, const struct lu_object *o)
{
return 0;
}
+static int lov_print_released(const struct lu_env *env, void *cookie,
+ lu_printer_t p, const struct lu_object *o)
+{
+ (*p)(env, cookie, "released\n");
+ return 0;
+}
+
/**
* Implements cl_object_operations::coo_attr_get() method for an object
* without stripes (LLT_EMPTY layout type).
.llo_lock_init = lov_lock_init_raid0,
.llo_io_init = lov_io_init_raid0,
.llo_getattr = lov_attr_get_raid0
+ },
+ [LLT_RELEASED] = {
+ .llo_init = lov_init_released,
+ .llo_delete = lov_delete_empty,
+ .llo_fini = lov_fini_released,
+ .llo_install = lov_install_empty,
+ .llo_print = lov_print_released,
+ .llo_page_init = lov_page_init_empty,
+ .llo_lock_init = lov_lock_init_empty,
+ .llo_io_init = lov_io_init_released,
+ .llo_getattr = lov_attr_get_empty
}
};
-
/**
* Performs a double-dispatch based on the layout type of an object.
*/
lov_dispatch[__llt].op(__VA_ARGS__); \
})
+/**
+ * Return lov_layout_type associated with a given lsm
+ */
+enum lov_layout_type lov_type(struct lov_stripe_md *lsm)
+{
+ if (lsm == NULL)
+ return LLT_EMPTY;
+ if (lsm_is_released(lsm))
+ return LLT_RELEASED;
+ return LLT_RAID0;
+}
+
static inline void lov_conf_freeze(struct lov_object *lov)
{
if (lov->lo_owner != cfs_current())
LASSERT(0 <= lov->lo_type && lov->lo_type < ARRAY_SIZE(lov_dispatch));
- if (conf->u.coc_md != NULL && conf->u.coc_md->lsm != NULL)
- llt = LLT_RAID0; /* only raid0 is supported. */
+ if (conf->u.coc_md != NULL)
+ llt = lov_type(conf->u.coc_md->lsm);
LASSERT(0 <= llt && llt < ARRAY_SIZE(lov_dispatch));
cookie = cl_env_reenter();
* Lov object operations.
*
*/
-
int lov_object_init(const struct lu_env *env, struct lu_object *obj,
const struct lu_object_conf *conf)
{
cl_object_page_init(lu2cl(obj), sizeof(struct lov_page));
/* no locking is necessary, as object is being created */
- lov->lo_type = cconf->u.coc_md->lsm != NULL ? LLT_RAID0 : LLT_EMPTY;
+ lov->lo_type = lov_type(cconf->u.coc_md->lsm);
ops = &lov_dispatch[lov->lo_type];
result = ops->llo_init(env, dev, lov, cconf, set);
if (result == 0)
static int lov_conf_set(const struct lu_env *env, struct cl_object *obj,
const struct cl_object_conf *conf)
{
- struct lov_stripe_md *lsm = NULL;
- struct lov_object *lov = cl2lov(obj);
- int result = 0;
+ struct lov_stripe_md *lsm = NULL;
+ struct lov_object *lov = cl2lov(obj);
+ int result = 0;
ENTRY;
lov_conf_lock(lov);
loi->loi_ar.ar_rc = 0;
}
}
+ case LLT_RELEASED:
case LLT_EMPTY:
break;
default:
if (lsm) {
/* If we are just sizing the EA, limit the stripe count
* to the actual number of OSTs in this filesystem. */
- if (!lmmp) {
- stripe_count = lov_get_stripecnt(lov, lmm_magic,
- lsm->lsm_stripe_count);
- lsm->lsm_stripe_count = stripe_count;
- } else {
- stripe_count = lsm->lsm_stripe_count;
- }
+ if (!lmmp) {
+ stripe_count = lov_get_stripecnt(lov, lmm_magic,
+ lsm->lsm_stripe_count);
+ lsm->lsm_stripe_count = stripe_count;
+ } else if (!lsm_is_released(lsm)) {
+ stripe_count = lsm->lsm_stripe_count;
+ } else {
+ stripe_count = 0;
+ }
} else {
/* No need to allocate more than maximum supported stripes.
* Anyway, this is pretty inaccurate since ld_tgt_count now
(*lsmp)->lsm_pattern = pattern;
(*lsmp)->lsm_pool_name[0] = '\0';
(*lsmp)->lsm_layout_gen = 0;
- (*lsmp)->lsm_oinfo[0]->loi_ost_idx = ~0;
+ if (stripe_count > 0)
+ (*lsmp)->lsm_oinfo[0]->loi_ost_idx = ~0;
for (i = 0; i < stripe_count; i++)
loi_init((*lsmp)->lsm_oinfo[i]);
int rc = 0, lsm_size;
__u16 stripe_count;
__u32 magic;
+ __u32 pattern;
ENTRY;
/* If passed an MDS struct use values from there, otherwise defaults */
RETURN(0);
}
- lsm_size = lov_alloc_memmd(lsmp, stripe_count, LOV_PATTERN_RAID0,
- magic);
+ pattern = le32_to_cpu(lmm->lmm_pattern);
+ lsm_size = lov_alloc_memmd(lsmp, stripe_count, pattern, magic);
if (lsm_size < 0)
RETURN(lsm_size);
lov->desc.ld_pattern : LOV_PATTERN_RAID0;
}
- if (lumv1->lmm_pattern != LOV_PATTERN_RAID0) {
+ if (lov_pattern(lumv1->lmm_pattern) != LOV_PATTERN_RAID0) {
CDEBUG(D_IOCTL, "bad userland stripe pattern: %#x\n",
lumv1->lmm_pattern);
RETURN(-EINVAL);
}
}
+ if (lumv1->lmm_pattern & LOV_PATTERN_F_RELEASED)
+ stripe_count = 0;
+
rc = lov_alloc_memmd(lsmp, stripe_count, lumv1->lmm_pattern, lmm_magic);
if (rc >= 0) {
le32_to_cpu(lmm->lmm_pattern));
CDEBUG(level,"stripe_size=0x%x, stripe_count=0x%x\n",
le32_to_cpu(lmm->lmm_stripe_size), count);
- if (count == LOV_ALL_STRIPES)
+ if (count == LOV_ALL_STRIPES ||
+ le32_to_cpu(lmm->lmm_pattern) & LOV_PATTERN_F_RELEASED)
return;
LASSERT(count <= LOV_MAX_STRIPE_COUNT);
exit(save_errno);
}
break;
+ case 'H':
+ len = atoi(commands+1);
+ fd = llapi_file_open(fname, O_CREAT | O_WRONLY,
+ 0644, 0, 0, len,
+ LOV_PATTERN_RAID0 | LOV_PATTERN_F_RELEASED);
+ if (fd == -1) {
+ save_errno = errno;
+ perror("create stripe file");
+ exit(save_errno);
+ }
+ break;
case 'K':
oldpath = POP_ARG();
if (oldpath == NULL)
}
run_test 228c "NOT shrink the last entry in OI index node to recycle idle leaf"
+test_229() { # LU-2482
+ [ $PARALLEL == "yes" ] && skip "skip parallel run" && return
+
+ # Create a file with a release layout (stripe count = 0)
+ $MULTIOP $DIR/$tfile H2c ||
+ error "failed to create file w. released layout"
+
+ $GETSTRIPE -v $DIR/$tfile
+
+ local pattern=$($GETSTRIPE -v $DIR/$tfile |
+ grep lmm_stripe_pattern | awk '{print $2}')
+ [ X"$pattern" = X"80000001" ] || error "pattern error ($pattern)"
+
+ local stripe_count=$($GETSTRIPE -c $DIR/$tfile) || error "getstripe"
+ [ $stripe_count -eq 2 ] || error "stripe count not 2 ($stripe_count)"
+ stat $DIR/$tfile || error "failed to stat released file"
+
+ $TRUNCATE $DIR/$tfile 200000
+ $CHECKSTAT -s 200000 $DIR/$tfile || error
+
+ # Stripe count should be no change after truncate
+ stripe_count=$($GETSTRIPE -c $DIR/$tfile) || error "getstripe failed"
+ [ $stripe_count -eq 2 ] || error "after trunc: ($stripe_count)"
+
+ rm $DIR/$tfile || error "failed to remove released file"
+}
+run_test 229 "getstripe/stat/rm work on released files (stripe count = 0)"
+
test_230a() {
[ $PARALLEL == "yes" ] && skip "skip parallel run" && return
[ $MDSCOUNT -lt 2 ] && skip "needs >= 2 MDTs" && return
lov_dump_user_lmm_header(lum, path, objects, is_dir, header,
depth, raw, pool_name);
- if (!is_dir && (header & VERBOSE_OBJID)) {
+ if (!is_dir && (header & VERBOSE_OBJID) &&
+ !(lum->lmm_pattern & LOV_PATTERN_F_RELEASED)) {
if (obdstripe == 1)
llapi_printf(LLAPI_MSG_NORMAL,
"\tobdidx\t\t objid\t\t objid\t\t group\n");