#include "mdd_internal.h"
static const struct lu_object_operations mdd_lu_obj_ops;
+extern cfs_mem_cache_t *mdd_object_kmem;
static int mdd_xattr_get(const struct lu_env *env,
struct md_object *obj, struct lu_buf *buf,
void mdd_buf_put(struct lu_buf *buf)
{
- if (buf == NULL || buf->lb_buf == NULL)
- return;
- OBD_FREE_LARGE(buf->lb_buf, buf->lb_len);
- buf->lb_buf = NULL;
- buf->lb_len = 0;
+ if (buf == NULL || buf->lb_buf == NULL)
+ return;
+ OBD_FREE_LARGE(buf->lb_buf, buf->lb_len);
+ *buf = LU_BUF_NULL;
}
const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
struct lu_buf *mdd_buf_alloc(const struct lu_env *env, ssize_t len)
{
- struct lu_buf *buf = &mdd_env_info(env)->mti_big_buf;
+ struct lu_buf *buf = &mdd_env_info(env)->mti_big_buf;
- if ((len > buf->lb_len) && (buf->lb_buf != NULL)) {
- OBD_FREE_LARGE(buf->lb_buf, buf->lb_len);
- buf->lb_buf = NULL;
- }
- if (buf->lb_buf == NULL) {
- buf->lb_len = len;
- OBD_ALLOC_LARGE(buf->lb_buf, buf->lb_len);
- if (buf->lb_buf == NULL)
- buf->lb_len = 0;
- }
- return buf;
+ if ((len > buf->lb_len) && (buf->lb_buf != NULL)) {
+ OBD_FREE_LARGE(buf->lb_buf, buf->lb_len);
+ *buf = LU_BUF_NULL;
+ }
+ if (memcmp(buf, &LU_BUF_NULL, sizeof(*buf)) == 0) {
+ buf->lb_len = len;
+ OBD_ALLOC_LARGE(buf->lb_buf, buf->lb_len);
+ if (buf->lb_buf == NULL)
+ *buf = LU_BUF_NULL;
+ }
+ return buf;
}
/** Increase the size of the \a mti_big_buf.
return 0;
}
-struct llog_cookie *mdd_max_cookie_get(const struct lu_env *env,
- struct mdd_device *mdd)
-{
- struct mdd_thread_info *mti = mdd_env_info(env);
- int max_cookie_size;
-
- max_cookie_size = mdd_lov_cookiesize(env, mdd);
- if (unlikely(mti->mti_max_cookie_size < max_cookie_size)) {
- if (mti->mti_max_cookie)
- OBD_FREE_LARGE(mti->mti_max_cookie,
- mti->mti_max_cookie_size);
- mti->mti_max_cookie = NULL;
- mti->mti_max_cookie_size = 0;
- }
- if (unlikely(mti->mti_max_cookie == NULL)) {
- OBD_ALLOC_LARGE(mti->mti_max_cookie, max_cookie_size);
- if (likely(mti->mti_max_cookie != NULL))
- mti->mti_max_cookie_size = max_cookie_size;
- }
- if (likely(mti->mti_max_cookie != NULL))
- memset(mti->mti_max_cookie, 0, mti->mti_max_cookie_size);
- return mti->mti_max_cookie;
-}
-
-struct lov_mds_md *mdd_max_lmm_buffer(const struct lu_env *env, int size)
-{
- struct mdd_thread_info *mti = mdd_env_info(env);
-
- if (unlikely(mti->mti_max_lmm_size < size)) {
- int rsize = size_roundup_power2(size);
-
- if (mti->mti_max_lmm_size > 0) {
- LASSERT(mti->mti_max_lmm);
- OBD_FREE_LARGE(mti->mti_max_lmm,
- mti->mti_max_lmm_size);
- mti->mti_max_lmm = NULL;
- mti->mti_max_lmm_size = 0;
- }
-
- OBD_ALLOC_LARGE(mti->mti_max_lmm, rsize);
- if (likely(mti->mti_max_lmm != NULL))
- mti->mti_max_lmm_size = rsize;
- }
- return mti->mti_max_lmm;
-}
-
-struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
- struct mdd_device *mdd)
-{
- int max_lmm_size;
-
- max_lmm_size = mdd_lov_mdsize(env, mdd);
- return mdd_max_lmm_buffer(env, max_lmm_size);
-}
-
struct lu_object *mdd_object_alloc(const struct lu_env *env,
const struct lu_object_header *hdr,
struct lu_device *d)
{
struct mdd_object *mdd_obj;
- OBD_ALLOC_PTR(mdd_obj);
+ OBD_SLAB_ALLOC_PTR_GFP(mdd_obj, mdd_object_kmem, CFS_ALLOC_IO);
if (mdd_obj != NULL) {
struct lu_object *o;
struct mdd_object *mdd = lu2mdd_obj(o);
lu_object_fini(o);
- OBD_FREE_PTR(mdd);
+ OBD_SLAB_FREE_PTR(mdd, mdd_object_kmem);
}
static int mdd_object_print(const struct lu_env *env, void *cookie,
/* Verify that our path hasn't changed since we started the lookup.
Record the current index, and verify the path resolves to the
same fid. If it does, then the path is correct as of this index. */
- cfs_spin_lock(&mdd->mdd_cl.mc_lock);
- pli->pli_currec = mdd->mdd_cl.mc_index;
- cfs_spin_unlock(&mdd->mdd_cl.mc_lock);
+ spin_lock(&mdd->mdd_cl.mc_lock);
+ pli->pli_currec = mdd->mdd_cl.mc_index;
+ spin_unlock(&mdd->mdd_cl.mc_lock);
rc = mdd_path2fid(env, mdd, ptr, &pli->pli_fid);
if (rc) {
CDEBUG(D_INFO, "mdd_path2fid(%s) failed %d\n", ptr, rc);
RETURN(rc);
}
-/* get only inode attributes */
-int mdd_iattr_get(const struct lu_env *env, struct mdd_object *mdd_obj,
- struct md_attr *ma)
-{
- int rc = 0;
- ENTRY;
-
- if (ma->ma_valid & MA_INODE)
- RETURN(0);
-
- rc = mdd_la_get(env, mdd_obj, &ma->ma_attr,
- mdd_object_capa(env, mdd_obj));
- if (rc == 0)
- ma->ma_valid |= MA_INODE;
- RETURN(rc);
-}
-
-int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm)
-{
- struct lov_desc *ldesc;
- struct mdd_device *mdd = mdo2mdd(&mdd_obj->mod_obj);
- struct lov_user_md *lum = (struct lov_user_md*)lmm;
- ENTRY;
-
- if (!lum)
- RETURN(0);
-
- ldesc = &mdd->mdd_obd_dev->u.mds.mds_lov_desc;
- LASSERT(ldesc != NULL);
-
- lum->lmm_magic = LOV_MAGIC_V1;
- lum->lmm_object_seq = FID_SEQ_LOV_DEFAULT;
- lum->lmm_pattern = ldesc->ld_pattern;
- lum->lmm_stripe_size = ldesc->ld_default_stripe_size;
- lum->lmm_stripe_count = ldesc->ld_default_stripe_count;
- lum->lmm_stripe_offset = ldesc->ld_default_stripe_offset;
-
- RETURN(sizeof(*lum));
-}
-
-static int is_rootdir(struct mdd_object *mdd_obj)
-{
- const struct mdd_device *mdd_dev = mdd_obj2mdd_dev(mdd_obj);
- const struct lu_fid *fid = mdo2fid(mdd_obj);
-
- return lu_fid_eq(&mdd_dev->mdd_root_fid, fid);
-}
-
-int mdd_big_lmm_get(const struct lu_env *env, struct mdd_object *obj,
- struct md_attr *ma)
-{
- struct mdd_thread_info *info = mdd_env_info(env);
- int size;
- int rc = -EINVAL;
- ENTRY;
-
- LASSERT(info != NULL);
- LASSERT(ma->ma_big_lmm_used == 0);
-
- if (ma->ma_lmm_size == 0) {
- CERROR("No buffer to hold %s xattr of object "DFID"\n",
- XATTR_NAME_LOV, PFID(mdd_object_fid(obj)));
- RETURN(rc);
- }
-
- rc = mdo_xattr_get(env, obj, &LU_BUF_NULL, XATTR_NAME_LOV,
- mdd_object_capa(env, obj));
- if (rc < 0)
- RETURN(rc);
-
- /* big_lmm may need to grow */
- size = rc;
- mdd_max_lmm_buffer(env, size);
- if (info->mti_max_lmm == NULL)
- RETURN(-ENOMEM);
-
- LASSERT(info->mti_max_lmm_size >= size);
- rc = mdd_get_md(env, obj, info->mti_max_lmm, &size,
- XATTR_NAME_LOV);
- if (rc < 0)
- RETURN(rc);
-
- ma->ma_big_lmm_used = 1;
- ma->ma_valid |= MA_LOV;
- ma->ma_lmm = info->mti_max_lmm;
- ma->ma_lmm_size = size;
- LASSERT(size == rc);
- RETURN(rc);
-}
-
-/* get lov EA only */
-static int __mdd_lmm_get(const struct lu_env *env,
- struct mdd_object *mdd_obj, struct md_attr *ma)
-{
- int rc;
- ENTRY;
-
- if (ma->ma_valid & MA_LOV)
- RETURN(0);
-
- rc = mdd_get_md(env, mdd_obj, ma->ma_lmm, &ma->ma_lmm_size,
- XATTR_NAME_LOV);
- if (rc == -ERANGE)
- rc = mdd_big_lmm_get(env, mdd_obj, ma);
- else if (rc == 0 && (ma->ma_need & MA_LOV_DEF) && is_rootdir(mdd_obj))
- rc = mdd_get_default_md(mdd_obj, ma->ma_lmm);
-
- if (rc > 0) {
- ma->ma_lmm_size = rc;
- ma->ma_layout_gen = ma->ma_lmm->lmm_layout_gen;
- ma->ma_valid |= MA_LOV | MA_LAY_GEN;
- rc = 0;
- }
- RETURN(rc);
-}
-
-/* get the first parent fid from link EA */
-static int mdd_pfid_get(const struct lu_env *env,
- struct mdd_object *mdd_obj, struct md_attr *ma)
-{
- struct lu_buf *buf;
- struct link_ea_header *leh;
- struct link_ea_entry *lee;
- struct lu_fid *pfid = &ma->ma_pfid;
- ENTRY;
-
- if (ma->ma_valid & MA_PFID)
- RETURN(0);
-
- buf = mdd_links_get(env, mdd_obj);
- if (IS_ERR(buf))
- RETURN(PTR_ERR(buf));
-
- leh = buf->lb_buf;
- lee = (struct link_ea_entry *)(leh + 1);
- memcpy(pfid, &lee->lee_parent_fid, sizeof(*pfid));
- fid_be_to_cpu(pfid, pfid);
- ma->ma_valid |= MA_PFID;
- if (buf->lb_len > OBD_ALLOC_BIG)
- /* if we vmalloced a large buffer drop it */
- mdd_buf_put(buf);
- RETURN(0);
-}
-
-int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj,
- struct md_attr *ma)
-{
- int rc;
- ENTRY;
-
- mdd_read_lock(env, mdd_obj, MOR_TGT_CHILD);
- rc = __mdd_lmm_get(env, mdd_obj, ma);
- mdd_read_unlock(env, mdd_obj);
- RETURN(rc);
-}
-
-/* get lmv EA only*/
-static int __mdd_lmv_get(const struct lu_env *env,
- struct mdd_object *mdd_obj, struct md_attr *ma)
-{
- int rc;
- ENTRY;
-
- if (ma->ma_valid & MA_LMV)
- RETURN(0);
-
- rc = mdd_get_md(env, mdd_obj, ma->ma_lmv, &ma->ma_lmv_size,
- XATTR_NAME_LMV);
- if (rc > 0) {
- ma->ma_valid |= MA_LMV;
- rc = 0;
- }
- RETURN(rc);
-}
-
-static int __mdd_lma_get(const struct lu_env *env, struct mdd_object *mdd_obj,
- struct md_attr *ma)
-{
- struct mdd_thread_info *info = mdd_env_info(env);
- struct lustre_mdt_attrs *lma =
- (struct lustre_mdt_attrs *)info->mti_xattr_buf;
- int lma_size;
- int rc;
- ENTRY;
-
- /* If all needed data are already valid, nothing to do */
- if ((ma->ma_valid & (MA_HSM | MA_SOM)) ==
- (ma->ma_need & (MA_HSM | MA_SOM)))
- RETURN(0);
-
- /* Read LMA from disk EA */
- lma_size = sizeof(info->mti_xattr_buf);
- rc = mdd_get_md(env, mdd_obj, lma, &lma_size, XATTR_NAME_LMA);
- if (rc <= 0)
- RETURN(rc);
-
- /* Useless to check LMA incompatibility because this is already done in
- * osd_ea_fid_get(), and this will fail long before this code is
- * called.
- * So, if we are here, LMA is compatible.
- */
-
- lustre_lma_swab(lma);
-
- /* Swab and copy LMA */
- if (ma->ma_need & MA_HSM) {
- if (lma->lma_compat & LMAC_HSM)
- ma->ma_hsm.mh_flags = lma->lma_flags & HSM_FLAGS_MASK;
- else
- ma->ma_hsm.mh_flags = 0;
- ma->ma_valid |= MA_HSM;
- }
-
- /* Copy SOM */
- if (ma->ma_need & MA_SOM && lma->lma_compat & LMAC_SOM) {
- LASSERT(ma->ma_som != NULL);
- ma->ma_som->msd_ioepoch = lma->lma_ioepoch;
- ma->ma_som->msd_size = lma->lma_som_size;
- ma->ma_som->msd_blocks = lma->lma_som_blocks;
- ma->ma_som->msd_mountid = lma->lma_som_mountid;
- ma->ma_valid |= MA_SOM;
- }
-
- RETURN(0);
-}
-
-int mdd_attr_get_internal(const struct lu_env *env, struct mdd_object *mdd_obj,
- struct md_attr *ma)
-{
- int rc = 0;
- ENTRY;
-
- if (ma->ma_need & MA_INODE)
- rc = mdd_iattr_get(env, mdd_obj, ma);
-
- if (rc == 0 && ma->ma_need & MA_LOV) {
- if (S_ISREG(mdd_object_type(mdd_obj)) ||
- S_ISDIR(mdd_object_type(mdd_obj)))
- rc = __mdd_lmm_get(env, mdd_obj, ma);
- }
- if (rc == 0 && ma->ma_need & MA_PFID && !(ma->ma_valid & MA_LOV)) {
- if (S_ISREG(mdd_object_type(mdd_obj)))
- rc = mdd_pfid_get(env, mdd_obj, ma);
- }
- if (rc == 0 && ma->ma_need & MA_LMV) {
- if (S_ISDIR(mdd_object_type(mdd_obj)))
- rc = __mdd_lmv_get(env, mdd_obj, ma);
- }
- if (rc == 0 && ma->ma_need & (MA_HSM | MA_SOM)) {
- if (S_ISREG(mdd_object_type(mdd_obj)))
- rc = __mdd_lma_get(env, mdd_obj, ma);
- }
-#ifdef CONFIG_FS_POSIX_ACL
- if (rc == 0 && ma->ma_need & MA_ACL_DEF) {
- if (S_ISDIR(mdd_object_type(mdd_obj)))
- rc = mdd_def_acl_get(env, mdd_obj, ma);
- }
-#endif
- CDEBUG(D_INODE, "after getattr rc = %d, ma_valid = "LPX64" ma_lmm=%p\n",
- rc, ma->ma_valid, ma->ma_lmm);
- RETURN(rc);
-}
-
-int mdd_attr_get_internal_locked(const struct lu_env *env,
- struct mdd_object *mdd_obj, struct md_attr *ma)
-{
- int rc;
- int needlock = ma->ma_need &
- (MA_LOV | MA_LMV | MA_ACL_DEF | MA_HSM | MA_SOM | MA_PFID);
-
- if (needlock)
- mdd_read_lock(env, mdd_obj, MOR_TGT_CHILD);
- rc = mdd_attr_get_internal(env, mdd_obj, ma);
- if (needlock)
- mdd_read_unlock(env, mdd_obj);
- return rc;
-}
-
/*
* No permission check is needed.
*/
int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
struct md_attr *ma)
{
- struct mdd_object *mdd_obj = md2mdd_obj(obj);
- int rc;
-
+ int rc;
ENTRY;
- rc = mdd_attr_get_internal_locked(env, mdd_obj, ma);
+
+ return mdd_la_get(env, md2mdd_obj(obj), &ma->ma_attr,
+ mdd_object_capa(env, md2mdd_obj(obj)));
RETURN(rc);
}
}
int mdd_declare_object_create_internal(const struct lu_env *env,
- struct mdd_object *p,
- struct mdd_object *c,
- struct md_attr *ma,
- struct thandle *handle,
- const struct md_op_spec *spec)
+ struct mdd_object *p,
+ struct mdd_object *c,
+ struct lu_attr *attr,
+ struct thandle *handle,
+ const struct md_op_spec *spec)
{
struct dt_object_format *dof = &mdd_env_info(env)->mti_dof;
const struct dt_index_features *feat = spec->sp_feat;
int rc;
ENTRY;
- if (feat != &dt_directory_features && feat != NULL)
+ if (feat != &dt_directory_features && feat != NULL) {
dof->dof_type = DFT_INDEX;
- else
- dof->dof_type = dt_mode_to_dft(ma->ma_attr.la_mode);
-
- dof->u.dof_idx.di_feat = feat;
+ dof->u.dof_idx.di_feat = feat;
+
+ } else {
+ dof->dof_type = dt_mode_to_dft(attr->la_mode);
+ if (dof->dof_type == DFT_REGULAR) {
+ dof->u.dof_reg.striped =
+ md_should_create(spec->sp_cr_flags);
+ if (spec->sp_cr_flags & MDS_OPEN_HAS_EA)
+ dof->u.dof_reg.striped = 0;
+ /* is this replay? */
+ if (spec->no_create)
+ dof->u.dof_reg.striped = 0;
+ }
+ }
- rc = mdo_declare_create_obj(env, c, &ma->ma_attr, NULL, dof, handle);
+ rc = mdo_declare_create_obj(env, c, attr, NULL, dof, handle);
RETURN(rc);
}
int mdd_object_create_internal(const struct lu_env *env, struct mdd_object *p,
- struct mdd_object *c, struct md_attr *ma,
+ struct mdd_object *c, struct lu_attr *attr,
struct thandle *handle,
const struct md_op_spec *spec)
{
- struct lu_attr *attr = &ma->ma_attr;
struct dt_allocation_hint *hint = &mdd_env_info(env)->mti_hint;
struct dt_object_format *dof = &mdd_env_info(env)->mti_dof;
- const struct dt_index_features *feat = spec->sp_feat;
int rc;
ENTRY;
- if (!mdd_object_exists(c)) {
- struct dt_object *next = mdd_object_child(c);
- LASSERT(next);
-
- if (feat != &dt_directory_features && feat != NULL)
- dof->dof_type = DFT_INDEX;
- else
- dof->dof_type = dt_mode_to_dft(attr->la_mode);
-
- dof->u.dof_idx.di_feat = feat;
+ LASSERT(!mdd_object_exists(c));
- /* @hint will be initialized by underlying device. */
- next->do_ops->do_ah_init(env, hint,
- p ? mdd_object_child(p) : NULL,
- attr->la_mode & S_IFMT);
+ rc = mdo_create_obj(env, c, attr, hint, dof, handle);
- rc = mdo_create_obj(env, c, attr, hint, dof, handle);
- LASSERT(ergo(rc == 0, mdd_object_exists(c)));
- } else
- rc = -EEXIST;
+ LASSERT(ergo(rc == 0, mdd_object_exists(c)));
- RETURN(rc);
+ RETURN(rc);
}
/**
RETURN(0);
}
-int mdd_attr_set_internal(const struct lu_env *env,
- struct mdd_object *obj,
- struct lu_attr *attr,
- struct thandle *handle,
- int needacl)
+int mdd_attr_set_internal(const struct lu_env *env, struct mdd_object *obj,
+ struct lu_attr *attr, struct thandle *handle,
+ int needacl)
{
int rc;
ENTRY;
}
int mdd_attr_check_set_internal(const struct lu_env *env,
- struct mdd_object *obj,
- struct lu_attr *attr,
- struct thandle *handle,
- int needacl)
+ struct mdd_object *obj, struct lu_attr *attr,
+ struct thandle *handle, int needacl)
{
int rc;
ENTRY;
RETURN(rc);
}
-static int mdd_attr_set_internal_locked(const struct lu_env *env,
- struct mdd_object *obj,
- struct lu_attr *attr,
- struct thandle *handle,
- int needacl)
-{
- int rc;
- ENTRY;
-
- needacl = needacl && (attr->la_valid & LA_MODE);
- if (needacl)
- mdd_write_lock(env, obj, MOR_TGT_CHILD);
- rc = mdd_attr_set_internal(env, obj, attr, handle, needacl);
- if (needacl)
- mdd_write_unlock(env, obj);
- RETURN(rc);
-}
-
-int mdd_attr_check_set_internal_locked(const struct lu_env *env,
- struct mdd_object *obj,
- struct lu_attr *attr,
- struct thandle *handle,
- int needacl)
-{
- int rc;
- ENTRY;
-
- needacl = needacl && (attr->la_valid & LA_MODE);
- if (needacl)
- mdd_write_lock(env, obj, MOR_TGT_CHILD);
- rc = mdd_attr_check_set_internal(env, obj, attr, handle, needacl);
- if (needacl)
- mdd_write_unlock(env, obj);
- RETURN(rc);
-}
-
-int __mdd_xattr_set(const struct lu_env *env, struct mdd_object *obj,
- const struct lu_buf *buf, const char *name,
- int fl, struct thandle *handle)
-{
- struct lustre_capa *capa = mdd_object_capa(env, obj);
- int rc = -EINVAL;
- ENTRY;
-
- if (buf->lb_buf && buf->lb_len > 0)
- rc = mdo_xattr_set(env, obj, buf, name, 0, handle, capa);
- else if (buf->lb_buf == NULL && buf->lb_len == 0)
- rc = mdo_xattr_del(env, obj, name, handle, capa);
-
- RETURN(rc);
-}
-
/*
* This gives the same functionality as the code between
* sys_chmod and inode_setattr
* This API is ported from mds_fix_attr but remove some unnecesssary stuff.
*/
static int mdd_fix_attr(const struct lu_env *env, struct mdd_object *obj,
- struct lu_attr *la, const struct md_attr *ma)
+ struct lu_attr *la, const unsigned long flags)
{
struct lu_attr *tmp_la = &mdd_env_info(env)->mti_la;
- struct md_ucred *uc;
+ struct lu_ucred *uc;
int rc;
ENTRY;
if (la->la_valid & (LA_NLINK | LA_RDEV | LA_BLKSIZE))
RETURN(-EPERM);
- /* export destroy does not have ->le_ses, but we may want
- * to drop LUSTRE_SOM_FL. */
- if (!env->le_ses)
- RETURN(0);
-
- uc = md_ucred(env);
+ /* export destroy does not have ->le_ses, but we may want
+ * to drop LUSTRE_SOM_FL. */
+ uc = lu_ucred_check(env);
+ if (uc == NULL)
+ RETURN(0);
rc = mdd_la_get(env, obj, tmp_la, BYPASS_CAPA);
if (rc)
RETURN(rc);
if (la->la_valid == LA_CTIME) {
- if (!(ma->ma_attr_flags & MDS_PERM_BYPASS))
+ if (!(flags & MDS_PERM_BYPASS))
/* This is only for set ctime when rename's source is
* on remote MDS. */
- rc = mdd_may_delete(env, NULL, obj,
- (struct md_attr *)ma, 1, 0);
+ rc = mdd_may_delete(env, NULL, obj, tmp_la, NULL, 1, 0);
if (rc == 0 && la->la_ctime <= tmp_la->la_ctime)
la->la_valid &= ~LA_CTIME;
RETURN(rc);
unsigned int newflags = la->la_flags &
(LUSTRE_IMMUTABLE_FL | LUSTRE_APPEND_FL);
- if ((uc->mu_fsuid != tmp_la->la_uid) &&
- !mdd_capable(uc, CFS_CAP_FOWNER))
- RETURN(-EPERM);
+ if ((uc->uc_fsuid != tmp_la->la_uid) &&
+ !mdd_capable(uc, CFS_CAP_FOWNER))
+ RETURN(-EPERM);
/* XXX: the IMMUTABLE and APPEND_ONLY flags can
* only be changed by the relevant capability. */
if ((mdd_is_immutable(obj) || mdd_is_append(obj)) &&
(la->la_valid & ~LA_FLAGS) &&
- !(ma->ma_attr_flags & MDS_PERM_BYPASS))
+ !(flags & MDS_PERM_BYPASS))
RETURN(-EPERM);
- /* Check for setting the obj time. */
- if ((la->la_valid & (LA_MTIME | LA_ATIME | LA_CTIME)) &&
- !(la->la_valid & ~(LA_MTIME | LA_ATIME | LA_CTIME))) {
- if ((uc->mu_fsuid != tmp_la->la_uid) &&
- !mdd_capable(uc, CFS_CAP_FOWNER)) {
- rc = mdd_permission_internal_locked(env, obj, tmp_la,
- MAY_WRITE,
- MOR_TGT_CHILD);
- if (rc)
- RETURN(rc);
- }
- }
+ /* Check for setting the obj time. */
+ if ((la->la_valid & (LA_MTIME | LA_ATIME | LA_CTIME)) &&
+ !(la->la_valid & ~(LA_MTIME | LA_ATIME | LA_CTIME))) {
+ if ((uc->uc_fsuid != tmp_la->la_uid) &&
+ !mdd_capable(uc, CFS_CAP_FOWNER)) {
+ rc = mdd_permission_internal(env, obj, tmp_la,
+ MAY_WRITE);
+ if (rc)
+ RETURN(rc);
+ }
+ }
if (la->la_valid & LA_KILL_SUID) {
la->la_valid &= ~LA_KILL_SUID;
/* Make sure a caller can chmod. */
if (la->la_valid & LA_MODE) {
- if (!(ma->ma_attr_flags & MDS_PERM_BYPASS) &&
- (uc->mu_fsuid != tmp_la->la_uid) &&
- !mdd_capable(uc, CFS_CAP_FOWNER))
- RETURN(-EPERM);
+ if (!(flags & MDS_PERM_BYPASS) &&
+ (uc->uc_fsuid != tmp_la->la_uid) &&
+ !mdd_capable(uc, CFS_CAP_FOWNER))
+ RETURN(-EPERM);
if (la->la_mode == (cfs_umode_t) -1)
la->la_mode = tmp_la->la_mode;
if (la->la_valid & LA_UID) {
if (la->la_uid == (uid_t) -1)
la->la_uid = tmp_la->la_uid;
- if (((uc->mu_fsuid != tmp_la->la_uid) ||
- (la->la_uid != tmp_la->la_uid)) &&
- !mdd_capable(uc, CFS_CAP_CHOWN))
- RETURN(-EPERM);
+ if (((uc->uc_fsuid != tmp_la->la_uid) ||
+ (la->la_uid != tmp_la->la_uid)) &&
+ !mdd_capable(uc, CFS_CAP_CHOWN))
+ RETURN(-EPERM);
/* If the user or group of a non-directory has been
* changed by a non-root user, remove the setuid bit.
if (la->la_valid & LA_GID) {
if (la->la_gid == (gid_t) -1)
la->la_gid = tmp_la->la_gid;
- if (((uc->mu_fsuid != tmp_la->la_uid) ||
- ((la->la_gid != tmp_la->la_gid) &&
- !lustre_in_group_p(uc, la->la_gid))) &&
- !mdd_capable(uc, CFS_CAP_CHOWN))
- RETURN(-EPERM);
+ if (((uc->uc_fsuid != tmp_la->la_uid) ||
+ ((la->la_gid != tmp_la->la_gid) &&
+ !lustre_in_group_p(uc, la->la_gid))) &&
+ !mdd_capable(uc, CFS_CAP_CHOWN))
+ RETURN(-EPERM);
/* Likewise, if the user or group of a non-directory
* has been changed by a non-root user, remove the
/* For both Size-on-MDS case and truncate case,
* "la->la_valid & (LA_SIZE | LA_BLOCKS)" are ture.
- * We distinguish them by "ma->ma_attr_flags & MDS_SOM".
+ * We distinguish them by "flags & MDS_SOM".
* For SOM case, it is true, the MAY_WRITE perm has been checked
* when open, no need check again. For truncate case, it is false,
* the MAY_WRITE perm should be checked here. */
- if (ma->ma_attr_flags & MDS_SOM) {
+ if (flags & MDS_SOM) {
/* For the "Size-on-MDS" setattr update, merge coming
* attributes with the set in the inode. BUG 10641 */
if ((la->la_valid & LA_ATIME) &&
la->la_valid &= ~(LA_MTIME | LA_CTIME);
} else {
if (la->la_valid & (LA_SIZE | LA_BLOCKS)) {
- if (!((ma->ma_attr_flags & MDS_OPEN_OWNEROVERRIDE) &&
- (uc->mu_fsuid == tmp_la->la_uid)) &&
- !(ma->ma_attr_flags & MDS_PERM_BYPASS)) {
- rc = mdd_permission_internal_locked(env, obj,
- tmp_la, MAY_WRITE,
- MOR_TGT_CHILD);
+ if (!((flags & MDS_OPEN_OWNEROVERRIDE) &&
+ (uc->uc_fsuid == tmp_la->la_uid)) &&
+ !(flags & MDS_PERM_BYPASS)) {
+ rc = mdd_permission_internal(env, obj,
+ tmp_la, MAY_WRITE);
if (rc)
RETURN(rc);
}
* \param mdd_obj - mdd_object of change
* \param handle - transacion handle
*/
-static int mdd_changelog_data_store(const struct lu_env *env,
- struct mdd_device *mdd,
- enum changelog_rec_type type,
- int flags,
- struct mdd_object *mdd_obj,
- struct thandle *handle)
-{
- const struct lu_fid *tfid = mdo2fid(mdd_obj);
- struct llog_changelog_rec *rec;
- struct thandle *th = NULL;
- struct lu_buf *buf;
- int reclen;
- int rc;
+static int mdd_changelog_data_store(const struct lu_env *env,
+ struct mdd_device *mdd,
+ enum changelog_rec_type type,
+ int flags, struct mdd_object *mdd_obj,
+ struct thandle *handle)
+{
+ const struct lu_fid *tfid = mdo2fid(mdd_obj);
+ struct llog_changelog_rec *rec;
+ struct lu_buf *buf;
+ int reclen;
+ int rc;
/* Not recording */
if (!(mdd->mdd_cl.mc_flags & CLM_ON))
buf = mdd_buf_alloc(env, reclen);
if (buf->lb_buf == NULL)
RETURN(-ENOMEM);
- rec = (struct llog_changelog_rec *)buf->lb_buf;
+ rec = buf->lb_buf;
rec->cr.cr_flags = CLF_VERSION | (CLF_FLAGMASK & flags);
rec->cr.cr_type = (__u32)type;
rec->cr.cr_namelen = 0;
mdd_obj->mod_cltime = cfs_time_current_64();
- rc = mdd_changelog_llog_write(mdd, rec, handle ? : th);
-
- if (th)
- mdd_trans_stop(env, mdd, rc, th);
-
- if (rc < 0) {
- CERROR("changelog failed: rc=%d op%d t"DFID"\n",
- rc, type, PFID(tfid));
- return -EFAULT;
- }
+ rc = mdd_changelog_store(env, mdd, rec, handle);
- return 0;
+ RETURN(rc);
}
int mdd_changelog(const struct lu_env *env, enum changelog_rec_type type,
handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
- return(PTR_ERR(handle));
+ RETURN(PTR_ERR(handle));
rc = mdd_declare_changelog_store(env, mdd, NULL, handle);
if (rc)
}
/**
- * Should be called with write lock held.
- *
- * \see mdd_lma_set_locked().
- */
-static int __mdd_lma_set(const struct lu_env *env, struct mdd_object *mdd_obj,
- const struct md_attr *ma, struct thandle *handle)
-{
- struct mdd_thread_info *info = mdd_env_info(env);
- struct lu_buf *buf;
- struct lustre_mdt_attrs *lma =
- (struct lustre_mdt_attrs *) info->mti_xattr_buf;
- int lmasize = sizeof(struct lustre_mdt_attrs);
- int rc = 0;
-
- ENTRY;
-
- /* Either HSM or SOM part is not valid, we need to read it before */
- if ((!ma->ma_valid) & (MA_HSM | MA_SOM)) {
- rc = mdd_get_md(env, mdd_obj, lma, &lmasize, XATTR_NAME_LMA);
- if (rc <= 0)
- RETURN(rc);
-
- lustre_lma_swab(lma);
- } else {
- memset(lma, 0, lmasize);
- }
-
- /* Copy HSM data */
- if (ma->ma_valid & MA_HSM) {
- lma->lma_flags |= ma->ma_hsm.mh_flags & HSM_FLAGS_MASK;
- lma->lma_compat |= LMAC_HSM;
- }
-
- /* Copy SOM data */
- if (ma->ma_valid & MA_SOM) {
- LASSERT(ma->ma_som != NULL);
- if (ma->ma_som->msd_ioepoch == IOEPOCH_INVAL) {
- lma->lma_compat &= ~LMAC_SOM;
- } else {
- lma->lma_compat |= LMAC_SOM;
- lma->lma_ioepoch = ma->ma_som->msd_ioepoch;
- lma->lma_som_size = ma->ma_som->msd_size;
- lma->lma_som_blocks = ma->ma_som->msd_blocks;
- lma->lma_som_mountid = ma->ma_som->msd_mountid;
- }
- }
-
- /* Copy FID */
- memcpy(&lma->lma_self_fid, mdo2fid(mdd_obj), sizeof(lma->lma_self_fid));
-
- lustre_lma_swab(lma);
- buf = mdd_buf_get(env, lma, lmasize);
- rc = __mdd_xattr_set(env, mdd_obj, buf, XATTR_NAME_LMA, 0, handle);
-
- RETURN(rc);
-}
-
-/**
* Save LMA extended attributes with data from \a ma.
*
* HSM and Size-On-MDS data will be extracted from \ma if they are valid, if
* not, LMA EA will be first read from disk, modified and write back.
*
*/
-static int mdd_lma_set_locked(const struct lu_env *env,
- struct mdd_object *mdd_obj,
- const struct md_attr *ma, struct thandle *handle)
-{
- int rc;
-
- mdd_write_lock(env, mdd_obj, MOR_TGT_CHILD);
- rc = __mdd_lma_set(env, mdd_obj, ma, handle);
- mdd_write_unlock(env, mdd_obj);
- return rc;
-}
-
/* Precedence for choosing record type when multiple
* attributes change: setattr > mtime > ctime > atime
* (ctime changes when mtime does, plus chmod/chown.
static int mdd_declare_attr_set(const struct lu_env *env,
struct mdd_device *mdd,
struct mdd_object *obj,
- const struct md_attr *ma,
- struct lov_mds_md *lmm,
+ const struct lu_attr *attr,
struct thandle *handle)
{
- struct lu_buf *buf = &mdd_env_info(env)->mti_buf;
- int rc, i;
+ int rc;
- rc = mdo_declare_attr_set(env, obj, &ma->ma_attr, handle);
- if (rc)
- return rc;
-
- rc = mdd_declare_changelog_store(env, mdd, NULL, handle);
+ rc = mdo_declare_attr_set(env, obj, attr, handle);
if (rc)
return rc;
- if (ma->ma_valid & MA_LOV) {
- buf->lb_buf = NULL;
- buf->lb_len = ma->ma_lmm_size;
- rc = mdo_declare_xattr_set(env, obj, buf, XATTR_NAME_LOV,
- 0, handle);
- if (rc)
- return rc;
- }
-
- if (ma->ma_valid & (MA_HSM | MA_SOM)) {
- buf->lb_buf = NULL;
- buf->lb_len = sizeof(struct lustre_mdt_attrs);
- rc = mdo_declare_xattr_set(env, obj, buf, XATTR_NAME_LMA,
- 0, handle);
- if (rc)
- return rc;
- }
-
#ifdef CONFIG_FS_POSIX_ACL
- if (ma->ma_attr.la_valid & LA_MODE) {
+ if (attr->la_valid & LA_MODE) {
mdd_read_lock(env, obj, MOR_TGT_CHILD);
- rc = mdo_xattr_get(env, obj, &LU_BUF_NULL,XATTR_NAME_ACL_ACCESS,
- BYPASS_CAPA);
+ rc = mdo_xattr_get(env, obj, &LU_BUF_NULL,
+ XATTR_NAME_ACL_ACCESS, BYPASS_CAPA);
mdd_read_unlock(env, obj);
if (rc == -EOPNOTSUPP || rc == -ENODATA)
rc = 0;
return rc;
if (rc != 0) {
- buf->lb_buf = NULL;
- buf->lb_len = rc;
+ struct lu_buf *buf = mdd_buf_get(env, NULL, rc);
rc = mdo_declare_xattr_set(env, obj, buf,
XATTR_NAME_ACL_ACCESS, 0,
handle);
}
#endif
- /* basically the log is the same as in unlink case */
- if (lmm) {
- __u16 stripe;
-
- if (le32_to_cpu(lmm->lmm_magic) != LOV_MAGIC_V1 &&
- le32_to_cpu(lmm->lmm_magic) != LOV_MAGIC_V3) {
- CERROR("%s: invalid LOV_MAGIC %08x on object "DFID"\n",
- mdd->mdd_obd_dev->obd_name,
- le32_to_cpu(lmm->lmm_magic),
- PFID(lu_object_fid(&obj->mod_obj.mo_lu)));
- return -EINVAL;
- }
-
- stripe = le16_to_cpu(lmm->lmm_stripe_count);
- if (stripe == LOV_ALL_STRIPES) {
- struct lov_desc *ldesc;
-
- ldesc = &mdd->mdd_obd_dev->u.mds.mds_lov_desc;
- LASSERT(ldesc != NULL);
- stripe = ldesc->ld_tgt_count;
- }
-
- for (i = 0; i < stripe; i++) {
- rc = mdd_declare_llog_record(env, mdd,
- sizeof(struct llog_unlink_rec),
- handle);
- if (rc)
- return rc;
- }
- }
-
- return rc;
+ rc = mdd_declare_changelog_store(env, mdd, NULL, handle);
+ return rc;
}
/* set attr and LOV EA at once, return updated attr */
struct mdd_object *mdd_obj = md2mdd_obj(obj);
struct mdd_device *mdd = mdo2mdd(obj);
struct thandle *handle;
- struct lov_mds_md *lmm = NULL;
- struct llog_cookie *logcookies = NULL;
- int rc, lmm_size = 0, cookie_size = 0;
struct lu_attr *la_copy = &mdd_env_info(env)->mti_la_for_fix;
-#ifdef HAVE_QUOTA_SUPPORT
- struct obd_device *obd = mdd->mdd_obd_dev;
- struct mds_obd *mds = &obd->u.mds;
- unsigned int qnids[MAXQUOTAS] = { 0, 0 };
- unsigned int qoids[MAXQUOTAS] = { 0, 0 };
- int quota_opc = 0, block_count = 0;
- int inode_pending[MAXQUOTAS] = { 0, 0 };
- int block_pending[MAXQUOTAS] = { 0, 0 };
-#endif
+ const struct lu_attr *la = &ma->ma_attr;
+ int rc;
ENTRY;
+ /* we do not use ->attr_set() for LOV/SOM/HSM EA any more */
+ LASSERT((ma->ma_valid & MA_LOV) == 0);
+ LASSERT((ma->ma_valid & MA_HSM) == 0);
+ LASSERT((ma->ma_valid & MA_SOM) == 0);
+
*la_copy = ma->ma_attr;
- rc = mdd_fix_attr(env, mdd_obj, la_copy, ma);
- if (rc != 0)
+ rc = mdd_fix_attr(env, mdd_obj, la_copy, ma->ma_attr_flags);
+ if (rc)
RETURN(rc);
/* setattr on "close" only change atime, or do nothing */
- if (ma->ma_valid == MA_INODE &&
- ma->ma_attr.la_valid == LA_ATIME && la_copy->la_valid == 0)
+ if (la->la_valid == LA_ATIME && la_copy->la_valid == 0)
RETURN(0);
- if (S_ISREG(mdd_object_type(mdd_obj)) &&
- ma->ma_attr.la_valid & (LA_UID | LA_GID)) {
- lmm_size = mdd_lov_mdsize(env, mdd);
- lmm = mdd_max_lmm_get(env, mdd);
- if (lmm == NULL)
- RETURN(-ENOMEM);
-
- rc = mdd_get_md_locked(env, mdd_obj, lmm, &lmm_size,
- XATTR_NAME_LOV);
-
- if (rc < 0)
- RETURN(rc);
- }
-
handle = mdd_trans_create(env, mdd);
if (IS_ERR(handle))
RETURN(PTR_ERR(handle));
- rc = mdd_declare_attr_set(env, mdd, mdd_obj, ma,
- lmm_size > 0 ? lmm : NULL, handle);
+ rc = mdd_declare_attr_set(env, mdd, mdd_obj, la, handle);
if (rc)
GOTO(stop, rc);
GOTO(stop, rc);
/* permission changes may require sync operation */
- if (ma->ma_attr.la_valid & (LA_MODE|LA_UID|LA_GID))
+ if (ma->ma_attr.la_valid & (LA_MODE|LA_UID|LA_GID))
handle->th_sync |= !!mdd->mdd_sync_permission;
- if (ma->ma_attr.la_valid & (LA_MTIME | LA_CTIME))
+ if (la->la_valid & (LA_MTIME | LA_CTIME))
CDEBUG(D_INODE, "setting mtime "LPU64", ctime "LPU64"\n",
- ma->ma_attr.la_mtime, ma->ma_attr.la_ctime);
-
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota && la_copy->la_valid & (LA_UID | LA_GID)) {
- struct obd_export *exp = md_quota(env)->mq_exp;
- struct lu_attr *la_tmp = &mdd_env_info(env)->mti_la;
-
- rc = mdd_la_get(env, mdd_obj, la_tmp, BYPASS_CAPA);
- if (!rc) {
- quota_opc = FSFILT_OP_SETATTR;
- mdd_quota_wrapper(la_copy, qnids);
- mdd_quota_wrapper(la_tmp, qoids);
- /* get file quota for new owner */
- lquota_chkquota(mds_quota_interface_ref, obd, exp,
- qnids, inode_pending, 1, NULL, 0,
- NULL, 0);
- block_count = (la_tmp->la_blocks + 7) >> 3;
- if (block_count) {
- void *data = NULL;
- mdd_data_get(env, mdd_obj, &data);
- /* get block quota for new owner */
- lquota_chkquota(mds_quota_interface_ref, obd,
- exp, qnids, block_pending,
- block_count, NULL,
- LQUOTA_FLAGS_BLK, data, 1);
- }
- }
- }
-#endif
+ la->la_mtime, la->la_ctime);
if (la_copy->la_valid & LA_FLAGS) {
- rc = mdd_attr_set_internal_locked(env, mdd_obj, la_copy,
- handle, 1);
+ rc = mdd_attr_set_internal(env, mdd_obj, la_copy, handle, 1);
if (rc == 0)
mdd_flags_xlate(mdd_obj, la_copy->la_flags);
} else if (la_copy->la_valid) { /* setattr */
- rc = mdd_attr_set_internal_locked(env, mdd_obj, la_copy,
- handle, 1);
- /* journal chown/chgrp in llog, just like unlink */
- if (rc == 0 && lmm_size){
- cookie_size = mdd_lov_cookiesize(env, mdd);
- logcookies = mdd_max_cookie_get(env, mdd);
- if (logcookies == NULL)
- GOTO(cleanup, rc = -ENOMEM);
-
- if (mdd_setattr_log(env, mdd, ma, lmm, lmm_size,
- logcookies, cookie_size) <= 0)
- logcookies = NULL;
- }
- }
-
- if (rc == 0 && ma->ma_valid & MA_LOV) {
- cfs_umode_t mode;
-
- mode = mdd_object_type(mdd_obj);
- if (S_ISREG(mode) || S_ISDIR(mode)) {
- rc = mdd_lsm_sanity_check(env, mdd_obj);
- if (rc)
- GOTO(cleanup, rc);
-
- rc = mdd_lov_set_md(env, NULL, mdd_obj, ma->ma_lmm,
- ma->ma_lmm_size, handle, 1);
- }
-
+ rc = mdd_attr_set_internal(env, mdd_obj, la_copy, handle, 1);
}
- if (rc == 0 && ma->ma_valid & (MA_HSM | MA_SOM)) {
- cfs_umode_t mode;
- mode = mdd_object_type(mdd_obj);
- if (S_ISREG(mode))
- rc = mdd_lma_set_locked(env, mdd_obj, ma, handle);
-
- }
-cleanup:
if (rc == 0)
rc = mdd_attr_set_changelog(env, obj, handle,
- ma->ma_attr.la_valid);
+ la->la_valid);
stop:
mdd_trans_stop(env, mdd, rc, handle);
- if (rc == 0 && (lmm != NULL && lmm_size > 0 )) {
- /*set obd attr, if needed*/
- rc = mdd_lov_setattr_async(env, mdd_obj, lmm, lmm_size,
- logcookies);
- }
-#ifdef HAVE_QUOTA_SUPPORT
- if (quota_opc) {
- lquota_pending_commit(mds_quota_interface_ref, obd, qnids,
- inode_pending, 0);
- lquota_pending_commit(mds_quota_interface_ref, obd, qnids,
- block_pending, 1);
- /* Trigger dqrel/dqacq for original owner and new owner.
- * If failed, the next call for lquota_chkquota will
- * process it. */
- lquota_adjust(mds_quota_interface_ref, obd, qnids, qoids, rc,
- quota_opc);
- }
-#endif
- RETURN(rc);
-}
-
-int mdd_xattr_set_txn(const struct lu_env *env, struct mdd_object *obj,
- const struct lu_buf *buf, const char *name, int fl,
- struct thandle *handle)
-{
- int rc;
- ENTRY;
-
- mdd_write_lock(env, obj, MOR_TGT_CHILD);
- rc = __mdd_xattr_set(env, obj, buf, name, fl, handle);
- mdd_write_unlock(env, obj);
-
RETURN(rc);
}
static int mdd_xattr_sanity_check(const struct lu_env *env,
- struct mdd_object *obj)
+ struct mdd_object *obj)
{
- struct lu_attr *tmp_la = &mdd_env_info(env)->mti_la;
- struct md_ucred *uc = md_ucred(env);
- int rc;
- ENTRY;
+ struct lu_attr *tmp_la = &mdd_env_info(env)->mti_la;
+ struct lu_ucred *uc = lu_ucred_assert(env);
+ int rc;
+ ENTRY;
- if (mdd_is_immutable(obj) || mdd_is_append(obj))
- RETURN(-EPERM);
+ if (mdd_is_immutable(obj) || mdd_is_append(obj))
+ RETURN(-EPERM);
- rc = mdd_la_get(env, obj, tmp_la, BYPASS_CAPA);
- if (rc)
- RETURN(rc);
+ rc = mdd_la_get(env, obj, tmp_la, BYPASS_CAPA);
+ if (rc)
+ RETURN(rc);
- if ((uc->mu_fsuid != tmp_la->la_uid) &&
- !mdd_capable(uc, CFS_CAP_FOWNER))
- RETURN(-EPERM);
+ if ((uc->uc_fsuid != tmp_la->la_uid) &&
+ !mdd_capable(uc, CFS_CAP_FOWNER))
+ RETURN(-EPERM);
- RETURN(rc);
+ RETURN(rc);
}
static int mdd_declare_xattr_set(const struct lu_env *env,
const struct lu_buf *buf,
const char *name,
struct thandle *handle)
-
{
int rc;
if ((strncmp("user.", name, 5) == 0))
rc = mdd_declare_changelog_store(env, mdd, NULL, handle);
+ rc = mdd_declare_changelog_store(env, mdd, NULL, handle);
return rc;
}
int rc;
ENTRY;
+ if (!strcmp(name, XATTR_NAME_ACL_ACCESS)) {
+ rc = mdd_acl_set(env, mdd_obj, buf, fl);
+ RETURN(rc);
+ }
+
rc = mdd_xattr_sanity_check(env, mdd_obj);
if (rc)
RETURN(rc);
if (!strcmp(name, XATTR_NAME_ACL_ACCESS))
handle->th_sync |= !!mdd->mdd_sync_permission;
- rc = mdd_xattr_set_txn(env, mdd_obj, buf, name, fl, handle);
+ mdd_write_lock(env, mdd_obj, MOR_TGT_CHILD);
+ rc = mdo_xattr_set(env, mdd_obj, buf, name, fl, handle,
+ mdd_object_capa(env, mdd_obj));
+ mdd_write_unlock(env, mdd_obj);
+ if (rc)
+ GOTO(stop, rc);
/* Only record system & user xattr changes */
- if ((rc == 0) && (strncmp(XATTR_USER_PREFIX, name,
+ if (strncmp(XATTR_USER_PREFIX, name,
sizeof(XATTR_USER_PREFIX) - 1) == 0 ||
strncmp(POSIX_ACL_XATTR_ACCESS, name,
sizeof(POSIX_ACL_XATTR_ACCESS) - 1) == 0 ||
strncmp(POSIX_ACL_XATTR_DEFAULT, name,
- sizeof(POSIX_ACL_XATTR_DEFAULT) - 1) == 0))
+ sizeof(POSIX_ACL_XATTR_DEFAULT) - 1) == 0)
rc = mdd_changelog_data_store(env, mdd, CL_XATTR, 0, mdd_obj,
handle);
rc = mdo_xattr_del(env, mdd_obj, name, handle,
mdd_object_capa(env, mdd_obj));
mdd_write_unlock(env, mdd_obj);
+ if (rc)
+ GOTO(stop, rc);
/* Only record system & user xattr changes */
- if ((rc == 0) && (strncmp(XATTR_USER_PREFIX, name,
+ if (strncmp(XATTR_USER_PREFIX, name,
sizeof(XATTR_USER_PREFIX) - 1) == 0 ||
strncmp(POSIX_ACL_XATTR_ACCESS, name,
sizeof(POSIX_ACL_XATTR_ACCESS) - 1) == 0 ||
strncmp(POSIX_ACL_XATTR_DEFAULT, name,
- sizeof(POSIX_ACL_XATTR_DEFAULT) - 1) == 0))
+ sizeof(POSIX_ACL_XATTR_DEFAULT) - 1) == 0)
rc = mdd_changelog_data_store(env, mdd, CL_XATTR, 0, mdd_obj,
handle);
RETURN(rc);
}
-/* partial unlink */
-static int mdd_ref_del(const struct lu_env *env, struct md_object *obj,
- struct md_attr *ma)
-{
- struct lu_attr *la_copy = &mdd_env_info(env)->mti_la_for_fix;
- struct mdd_object *mdd_obj = md2mdd_obj(obj);
- struct mdd_device *mdd = mdo2mdd(obj);
- struct thandle *handle;
-#ifdef HAVE_QUOTA_SUPPORT
- struct obd_device *obd = mdd->mdd_obd_dev;
- struct mds_obd *mds = &obd->u.mds;
- unsigned int qids[MAXQUOTAS] = { 0, 0 };
- int quota_opc = 0;
-#endif
- int rc;
- ENTRY;
-
- /* XXX: this code won't be used ever:
- * DNE uses slightly different approach */
- LBUG();
-
- /*
- * Check -ENOENT early here because we need to get object type
- * to calculate credits before transaction start
- */
- if (mdd_object_exists(mdd_obj) == 0) {
- CERROR("%s: object "DFID" not found: rc = -2\n",
- mdd_obj_dev_name(mdd_obj),PFID(mdd_object_fid(mdd_obj)));
- RETURN(-ENOENT);
- }
-
- LASSERT(mdd_object_exists(mdd_obj) > 0);
-
- handle = mdd_trans_create(env, mdd);
- if (IS_ERR(handle))
- RETURN(-ENOMEM);
-
- rc = mdd_trans_start(env, mdd, handle);
-
- mdd_write_lock(env, mdd_obj, MOR_TGT_CHILD);
-
- rc = mdd_unlink_sanity_check(env, NULL, mdd_obj, ma);
- if (rc)
- GOTO(cleanup, rc);
-
- mdo_ref_del(env, mdd_obj, handle);
-
- if (S_ISDIR(lu_object_attr(&obj->mo_lu))) {
- /* unlink dot */
- mdo_ref_del(env, mdd_obj, handle);
- }
-
- LASSERT(ma->ma_attr.la_valid & LA_CTIME);
- la_copy->la_ctime = ma->ma_attr.la_ctime;
-
- la_copy->la_valid = LA_CTIME;
- rc = mdd_attr_check_set_internal(env, mdd_obj, la_copy, handle, 0);
- if (rc)
- GOTO(cleanup, rc);
-
- rc = mdd_finish_unlink(env, mdd_obj, ma, handle);
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota && ma->ma_valid & MA_INODE &&
- ma->ma_attr.la_nlink == 0 && mdd_obj->mod_count == 0) {
- quota_opc = FSFILT_OP_UNLINK_PARTIAL_CHILD;
- mdd_quota_wrapper(&ma->ma_attr, qids);
- }
-#endif
-
-
- EXIT;
-cleanup:
- mdd_write_unlock(env, mdd_obj);
- mdd_trans_stop(env, mdd, rc, handle);
-#ifdef HAVE_QUOTA_SUPPORT
- if (quota_opc)
- /* Trigger dqrel on the owner of child. If failed,
- * the next call for lquota_chkquota will process it */
- lquota_adjust(mds_quota_interface_ref, obd, qids, 0, rc,
- quota_opc);
-#endif
- return rc;
-}
-
-/* partial operation */
-static int mdd_oc_sanity_check(const struct lu_env *env,
- struct mdd_object *obj,
- struct md_attr *ma)
+void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
+ struct mdd_object *child, struct lu_attr *attr)
{
- int rc;
- ENTRY;
+ struct dt_allocation_hint *hint = &mdd_env_info(env)->mti_hint;
+ struct dt_object *np = parent ? mdd_object_child(parent) : NULL;
+ struct dt_object *nc = mdd_object_child(child);
- switch (ma->ma_attr.la_mode & S_IFMT) {
- case S_IFREG:
- case S_IFDIR:
- case S_IFLNK:
- case S_IFCHR:
- case S_IFBLK:
- case S_IFIFO:
- case S_IFSOCK:
- rc = 0;
- break;
- default:
- rc = -EINVAL;
- break;
- }
- RETURN(rc);
-}
-
-static int mdd_object_create(const struct lu_env *env,
- struct md_object *obj,
- const struct md_op_spec *spec,
- struct md_attr *ma)
-{
-
- struct mdd_device *mdd = mdo2mdd(obj);
- struct mdd_object *mdd_obj = md2mdd_obj(obj);
- const struct lu_fid *pfid = spec->u.sp_pfid;
- struct thandle *handle;
-#ifdef HAVE_QUOTA_SUPPORT
- struct obd_device *obd = mdd->mdd_obd_dev;
- struct obd_export *exp = md_quota(env)->mq_exp;
- struct mds_obd *mds = &obd->u.mds;
- unsigned int qids[MAXQUOTAS] = { 0, 0 };
- int quota_opc = 0, block_count = 0;
- int inode_pending[MAXQUOTAS] = { 0, 0 };
- int block_pending[MAXQUOTAS] = { 0, 0 };
-#endif
- int rc = 0;
- ENTRY;
-
- /* XXX: this code won't be used ever:
- * DNE uses slightly different approach */
- LBUG();
-
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota) {
- quota_opc = FSFILT_OP_CREATE_PARTIAL_CHILD;
- mdd_quota_wrapper(&ma->ma_attr, qids);
- /* get file quota for child */
- lquota_chkquota(mds_quota_interface_ref, obd, exp,
- qids, inode_pending, 1, NULL, 0,
- NULL, 0);
- switch (ma->ma_attr.la_mode & S_IFMT) {
- case S_IFLNK:
- case S_IFDIR:
- block_count = 2;
- break;
- case S_IFREG:
- block_count = 1;
- break;
- }
- /* get block quota for child */
- if (block_count)
- lquota_chkquota(mds_quota_interface_ref, obd, exp,
- qids, block_pending, block_count,
- NULL, LQUOTA_FLAGS_BLK, NULL, 0);
- }
-#endif
-
- handle = mdd_trans_create(env, mdd);
- if (IS_ERR(handle))
- GOTO(out_pending, rc = PTR_ERR(handle));
-
- rc = mdd_trans_start(env, mdd, handle);
-
- mdd_write_lock(env, mdd_obj, MOR_TGT_CHILD);
- rc = mdd_oc_sanity_check(env, mdd_obj, ma);
- if (rc)
- GOTO(unlock, rc);
-
- rc = mdd_object_create_internal(env, NULL, mdd_obj, ma, handle, spec);
- if (rc)
- GOTO(unlock, rc);
-
- if (spec->sp_cr_flags & MDS_CREATE_SLAVE_OBJ) {
- /* If creating the slave object, set slave EA here. */
- int lmv_size = spec->u.sp_ea.eadatalen;
- struct lmv_stripe_md *lmv;
-
- lmv = (struct lmv_stripe_md *)spec->u.sp_ea.eadata;
- LASSERT(lmv != NULL && lmv_size > 0);
-
- rc = __mdd_xattr_set(env, mdd_obj,
- mdd_buf_get_const(env, lmv, lmv_size),
- XATTR_NAME_LMV, 0, handle);
- if (rc)
- GOTO(unlock, rc);
-
- rc = mdd_attr_set_internal(env, mdd_obj, &ma->ma_attr,
- handle, 0);
- } else {
-#ifdef CONFIG_FS_POSIX_ACL
- if (spec->sp_cr_flags & MDS_CREATE_RMT_ACL) {
- struct lu_buf *buf = &mdd_env_info(env)->mti_buf;
-
- buf->lb_buf = (void *)spec->u.sp_ea.eadata;
- buf->lb_len = spec->u.sp_ea.eadatalen;
- if ((buf->lb_len > 0) && (buf->lb_buf != NULL)) {
- rc = __mdd_acl_init(env, mdd_obj, buf,
- &ma->ma_attr.la_mode,
- handle);
- if (rc)
- GOTO(unlock, rc);
- else
- ma->ma_attr.la_valid |= LA_MODE;
- }
-
- pfid = spec->u.sp_ea.fid;
- }
-#endif
- rc = mdd_object_initialize(env, pfid, NULL, mdd_obj, ma, handle,
- spec);
- }
- EXIT;
-unlock:
- if (rc == 0)
- rc = mdd_attr_get_internal(env, mdd_obj, ma);
- mdd_write_unlock(env, mdd_obj);
-
- mdd_trans_stop(env, mdd, rc, handle);
-out_pending:
-#ifdef HAVE_QUOTA_SUPPORT
- if (quota_opc) {
- lquota_pending_commit(mds_quota_interface_ref, obd, qids,
- inode_pending, 0);
- lquota_pending_commit(mds_quota_interface_ref, obd, qids,
- block_pending, 1);
- /* Trigger dqacq on the owner of child. If failed,
- * the next call for lquota_chkquota will process it. */
- lquota_adjust(mds_quota_interface_ref, obd, qids, 0, rc,
- quota_opc);
- }
-#endif
- return rc;
-}
-
-/* partial link */
-static int mdd_ref_add(const struct lu_env *env, struct md_object *obj,
- const struct md_attr *ma)
-{
- struct lu_attr *la_copy = &mdd_env_info(env)->mti_la_for_fix;
- struct mdd_object *mdd_obj = md2mdd_obj(obj);
- struct mdd_device *mdd = mdo2mdd(obj);
- struct thandle *handle;
- int rc;
- ENTRY;
-
- /* XXX: this code won't be used ever:
- * DNE uses slightly different approach */
- LBUG();
-
- handle = mdd_trans_create(env, mdd);
- if (IS_ERR(handle))
- RETURN(-ENOMEM);
-
- rc = mdd_trans_start(env, mdd, handle);
-
- mdd_write_lock(env, mdd_obj, MOR_TGT_CHILD);
- rc = mdd_link_sanity_check(env, NULL, NULL, mdd_obj);
- if (rc == 0)
- mdo_ref_add(env, mdd_obj, handle);
- mdd_write_unlock(env, mdd_obj);
- if (rc == 0) {
- LASSERT(ma->ma_attr.la_valid & LA_CTIME);
- la_copy->la_ctime = ma->ma_attr.la_ctime;
-
- la_copy->la_valid = LA_CTIME;
- rc = mdd_attr_check_set_internal_locked(env, mdd_obj, la_copy,
- handle, 0);
- }
- mdd_trans_stop(env, mdd, 0, handle);
-
- RETURN(rc);
+ /* @hint will be initialized by underlying device. */
+ nc->do_ops->do_ah_init(env, hint, np, nc, attr->la_mode & S_IFMT);
}
/*
*/
int accmode(const struct lu_env *env, struct lu_attr *la, int flags)
{
- int res = 0;
-
- /* Sadly, NFSD reopens a file repeatedly during operation, so the
- * "acc_mode = 0" allowance for newly-created files isn't honoured.
- * NFSD uses the MDS_OPEN_OWNEROVERRIDE flag to say that a file
- * owner can write to a file even if it is marked readonly to hide
- * its brokenness. (bug 5781) */
- if (flags & MDS_OPEN_OWNEROVERRIDE) {
- struct md_ucred *uc = md_ucred(env);
-
- if ((uc == NULL) || (uc->mu_valid == UCRED_INIT) ||
- (la->la_uid == uc->mu_fsuid))
- return 0;
- }
+ int res = 0;
+
+ /* Sadly, NFSD reopens a file repeatedly during operation, so the
+ * "acc_mode = 0" allowance for newly-created files isn't honoured.
+ * NFSD uses the MDS_OPEN_OWNEROVERRIDE flag to say that a file
+ * owner can write to a file even if it is marked readonly to hide
+ * its brokenness. (bug 5781) */
+ if (flags & MDS_OPEN_OWNEROVERRIDE) {
+ struct lu_ucred *uc = lu_ucred_check(env);
- if (flags & FMODE_READ)
- res |= MAY_READ;
- if (flags & (FMODE_WRITE | MDS_OPEN_TRUNC | MDS_OPEN_APPEND))
- res |= MAY_WRITE;
- if (flags & MDS_FMODE_EXEC)
- res = MAY_EXEC;
- return res;
+ if ((uc == NULL) || (la->la_uid == uc->uc_fsuid))
+ return 0;
+ }
+
+ if (flags & FMODE_READ)
+ res |= MAY_READ;
+ if (flags & (FMODE_WRITE | MDS_OPEN_TRUNC | MDS_OPEN_APPEND))
+ res |= MAY_WRITE;
+ if (flags & MDS_FMODE_EXEC)
+ res = MAY_EXEC;
+ return res;
}
static int mdd_open_sanity_check(const struct lu_env *env,
* Now, flag -- O_NOATIME does not be packed by client.
*/
if (flag & O_NOATIME) {
- struct md_ucred *uc = md_ucred(env);
+ struct lu_ucred *uc = lu_ucred(env);
- if (uc && ((uc->mu_valid == UCRED_OLD) ||
- (uc->mu_valid == UCRED_NEW)) &&
- (uc->mu_fsuid != tmp_la->la_uid) &&
- !mdd_capable(uc, CFS_CAP_FOWNER))
- RETURN(-EPERM);
+ if (uc && ((uc->uc_valid == UCRED_OLD) ||
+ (uc->uc_valid == UCRED_NEW)) &&
+ (uc->uc_fsuid != tmp_la->la_uid) &&
+ !mdd_capable(uc, CFS_CAP_FOWNER))
+ RETURN(-EPERM);
}
#endif
int mdd_declare_object_kill(const struct lu_env *env, struct mdd_object *obj,
struct md_attr *ma, struct thandle *handle)
{
- int rc;
-
- rc = mdd_declare_unlink_log(env, obj, ma, handle);
- if (rc)
- return rc;
-
return mdo_declare_destroy(env, obj, handle);
}
int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj,
struct md_attr *ma, struct thandle *handle)
{
- int rc = 0;
+ int rc;
ENTRY;
- if (S_ISREG(mdd_object_type(obj))) {
- /* Return LOV & COOKIES unconditionally here. We clean evth up.
- * Caller must be ready for that. */
- rc = __mdd_lmm_get(env, obj, ma);
- if ((ma->ma_valid & MA_LOV))
- rc = mdd_unlink_log(env, mdo2mdd(&obj->mod_obj),
- obj, ma);
- }
-
- if (rc == 0)
- rc = mdo_destroy(env, obj, handle);
+ rc = mdo_destroy(env, obj, handle);
RETURN(rc);
}
if (rc)
return rc;
- return mdd_declare_object_kill(env, obj, ma, handle);
+ return mdo_declare_destroy(env, obj, handle);
}
/*
struct mdd_object *mdd_obj = md2mdd_obj(obj);
struct mdd_device *mdd = mdo2mdd(obj);
struct thandle *handle = NULL;
- int rc;
- int is_orphan = 0, reset = 1;
-
-#ifdef HAVE_QUOTA_SUPPORT
- struct obd_device *obd = mdo2mdd(obj)->mdd_obd_dev;
- struct mds_obd *mds = &obd->u.mds;
- unsigned int qids[MAXQUOTAS] = { 0, 0 };
- int quota_opc = 0;
-#endif
+ int rc, is_orphan = 0;
ENTRY;
if (ma->ma_valid & MA_FLAGS && ma->ma_attr_flags & MDS_KEEP_ORPHAN) {
}
}
- rc = mdd_iattr_get(env, mdd_obj, ma);
+ rc = mdd_la_get(env, mdd_obj, &ma->ma_attr,
+ mdd_object_capa(env, mdd_obj));
/* Object maybe not in orphan list originally, it is rare case for
* mdd_finish_unlink() failure. */
if (rc == 0 && (ma->ma_attr.la_nlink == 0 || is_orphan)) {
-#ifdef HAVE_QUOTA_SUPPORT
- if (mds->mds_quota) {
- quota_opc = FSFILT_OP_UNLINK_PARTIAL_CHILD;
- mdd_quota_wrapper(&ma->ma_attr, qids);
- }
-#endif
- /* MDS_CLOSE_CLEANUP means destroy OSS objects by MDS. */
- if (ma->ma_valid & MA_FLAGS &&
- ma->ma_attr_flags & MDS_CLOSE_CLEANUP) {
- rc = mdd_lov_destroy(env, mdd, mdd_obj, &ma->ma_attr);
- } else {
- if (handle == NULL) {
- handle = mdd_trans_create(env, mdo2mdd(obj));
- if (IS_ERR(handle))
- GOTO(out, rc = PTR_ERR(handle));
+ if (handle == NULL) {
+ handle = mdd_trans_create(env, mdo2mdd(obj));
+ if (IS_ERR(handle))
+ GOTO(out, rc = PTR_ERR(handle));
- rc = mdd_declare_object_kill(env, mdd_obj, ma,
- handle);
- if (rc)
- GOTO(out, rc);
+ rc = mdo_declare_destroy(env, mdd_obj, handle);
+ if (rc)
+ GOTO(out, rc);
- rc = mdd_declare_changelog_store(env, mdd,
- NULL, handle);
- if (rc)
- GOTO(stop, rc);
+ rc = mdd_declare_changelog_store(env, mdd,
+ NULL, handle);
+ if (rc)
+ GOTO(stop, rc);
- rc = mdd_trans_start(env, mdo2mdd(obj), handle);
- if (rc)
- GOTO(out, rc);
- }
+ rc = mdd_trans_start(env, mdo2mdd(obj), handle);
+ if (rc)
+ GOTO(out, rc);
+ }
- rc = mdd_object_kill(env, mdd_obj, ma, handle);
- if (rc == 0)
- reset = 0;
- }
+ rc = mdo_destroy(env, mdd_obj, handle);
if (rc != 0)
CERROR("Error when prepare to delete Object "DFID" , "
EXIT;
out:
- if (reset)
- ma->ma_valid &= ~(MA_LOV | MA_COOKIE);
mdd_write_unlock(env, mdd_obj);
stop:
if (handle != NULL)
mdd_trans_stop(env, mdd, rc, handle);
-#ifdef HAVE_QUOTA_SUPPORT
- if (quota_opc)
- /* Trigger dqrel on the owner of child. If failed,
- * the next call for lquota_chkquota will process it */
- lquota_adjust(mds_quota_interface_ref, obd, qids, 0, rc,
- quota_opc);
-#endif
return rc;
}
RETURN(rc);
}
-static int mdd_dir_page_build(const struct lu_env *env, struct mdd_device *mdd,
- struct lu_dirpage *dp, int nob,
- const struct dt_it_ops *iops, struct dt_it *it,
- __u32 attr)
+static int mdd_dir_page_build(const struct lu_env *env, union lu_page *lp,
+ int nob, const struct dt_it_ops *iops,
+ struct dt_it *it, __u32 attr, void *arg)
{
- void *area = dp;
- int result;
- __u64 hash = 0;
- struct lu_dirent *ent;
- struct lu_dirent *last = NULL;
- int first = 1;
+ struct lu_dirpage *dp = &lp->lp_dir;
+ void *area = dp;
+ int result;
+ __u64 hash = 0;
+ struct lu_dirent *ent;
+ struct lu_dirent *last = NULL;
+ int first = 1;
memset(area, 0, sizeof (*dp));
area += sizeof (*dp);
dp->ldp_flags |= cpu_to_le32(LDF_COLLIDE);
last->lde_reclen = 0; /* end mark */
}
+ if (result > 0)
+ /* end of directory */
+ dp->ldp_hash_end = cpu_to_le64(MDS_DIR_END_OFF);
+ if (result < 0)
+ CWARN("build page failed: %d!\n", result);
return result;
}
-static int __mdd_readpage(const struct lu_env *env, struct mdd_object *obj,
- const struct lu_rdpg *rdpg)
-{
- struct dt_it *it;
- struct dt_object *next = mdd_object_child(obj);
- const struct dt_it_ops *iops;
- struct page *pg;
- struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
- int i;
- int nlupgs = 0;
- int rc;
- int nob;
-
- LASSERT(rdpg->rp_pages != NULL);
- LASSERT(next->do_index_ops != NULL);
-
- if (rdpg->rp_count <= 0)
- return -EFAULT;
-
- /*
- * iterate through directory and fill pages from @rdpg
- */
- iops = &next->do_index_ops->dio_it;
- it = iops->init(env, next, rdpg->rp_attrs, mdd_object_capa(env, obj));
- if (IS_ERR(it))
- return PTR_ERR(it);
-
- rc = iops->load(env, it, rdpg->rp_hash);
-
- if (rc == 0) {
- /*
- * Iterator didn't find record with exactly the key requested.
- *
- * It is currently either
- *
- * - positioned above record with key less than
- * requested---skip it.
- *
- * - or not positioned at all (is in IAM_IT_SKEWED
- * state)---position it on the next item.
- */
- rc = iops->next(env, it);
- } else if (rc > 0)
- rc = 0;
-
- /*
- * At this point and across for-loop:
- *
- * rc == 0 -> ok, proceed.
- * rc > 0 -> end of directory.
- * rc < 0 -> error.
- */
- for (i = 0, nob = rdpg->rp_count; rc == 0 && nob > 0;
- i++, nob -= CFS_PAGE_SIZE) {
- struct lu_dirpage *dp;
-
- LASSERT(i < rdpg->rp_npages);
- pg = rdpg->rp_pages[i];
- dp = cfs_kmap(pg);
-#if CFS_PAGE_SIZE > LU_PAGE_SIZE
-repeat:
-#endif
- rc = mdd_dir_page_build(env, mdd, dp,
- min_t(int, nob, LU_PAGE_SIZE),
- iops, it, rdpg->rp_attrs);
- if (rc > 0) {
- /*
- * end of directory.
- */
- dp->ldp_hash_end = cpu_to_le64(MDS_DIR_END_OFF);
- nlupgs++;
- } else if (rc < 0) {
- CWARN("build page failed: %d!\n", rc);
- } else {
- nlupgs++;
-#if CFS_PAGE_SIZE > LU_PAGE_SIZE
- dp = (struct lu_dirpage *)((char *)dp + LU_PAGE_SIZE);
- if ((unsigned long)dp & ~CFS_PAGE_MASK)
- goto repeat;
-#endif
- }
- cfs_kunmap(pg);
- }
- if (rc >= 0) {
- struct lu_dirpage *dp;
-
- dp = cfs_kmap(rdpg->rp_pages[0]);
- dp->ldp_hash_start = cpu_to_le64(rdpg->rp_hash);
- if (nlupgs == 0) {
- /*
- * No pages were processed, mark this for first page
- * and send back.
- */
- dp->ldp_flags = cpu_to_le32(LDF_EMPTY);
- nlupgs = 1;
- }
- cfs_kunmap(rdpg->rp_pages[0]);
-
- rc = min_t(unsigned int, nlupgs * LU_PAGE_SIZE, rdpg->rp_count);
- }
- iops->put(env, it);
- iops->fini(env, it);
-
- return rc;
-}
-
int mdd_readpage(const struct lu_env *env, struct md_object *obj,
const struct lu_rdpg *rdpg)
{
GOTO(out_unlock, rc = LU_PAGE_SIZE);
}
- rc = __mdd_readpage(env, mdd_obj, rdpg);
+ rc = dt_index_walk(env, mdd_object_child(mdd_obj), rdpg,
+ mdd_dir_page_build, NULL);
+ if (rc >= 0) {
+ struct lu_dirpage *dp;
+
+ dp = cfs_kmap(rdpg->rp_pages[0]);
+ dp->ldp_hash_start = cpu_to_le64(rdpg->rp_hash);
+ if (rc == 0) {
+ /*
+ * No pages were processed, mark this for first page
+ * and send back.
+ */
+ dp->ldp_flags = cpu_to_le32(LDF_EMPTY);
+ rc = min_t(unsigned int, LU_PAGE_SIZE, rdpg->rp_count);
+ }
+ cfs_kunmap(rdpg->rp_pages[0]);
+ }
- EXIT;
+ GOTO(out_unlock, rc);
out_unlock:
mdd_read_unlock(env, mdd_obj);
return rc;
.moo_xattr_set = mdd_xattr_set,
.moo_xattr_list = mdd_xattr_list,
.moo_xattr_del = mdd_xattr_del,
- .moo_object_create = mdd_object_create,
- .moo_ref_add = mdd_ref_add,
- .moo_ref_del = mdd_ref_del,
.moo_open = mdd_open,
.moo_close = mdd_close,
.moo_readpage = mdd_readpage,
.moo_capa_get = mdd_capa_get,
.moo_object_sync = mdd_object_sync,
.moo_path = mdd_path,
- .moo_file_lock = mdd_file_lock,
- .moo_file_unlock = mdd_file_unlock,
};
git://git.whamcloud.com / fs / lustre-release.git / blobdiff