* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
RETURN(rc);
}
-int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm,
- int *size)
+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);
- LASSERT(size != NULL);
- if (!lmm) {
- *size = 0;
- RETURN(0);
- }
+ lum->lmm_magic = LOV_MAGIC_V1;
+ lum->lmm_object_seq = LOV_OBJECT_GROUP_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;
- lmm->lmm_magic = LOV_MAGIC_V1;
- lmm->lmm_object_seq = LOV_OBJECT_GROUP_DEFAULT;
- lmm->lmm_pattern = ldesc->ld_pattern;
- lmm->lmm_stripe_size = ldesc->ld_default_stripe_size;
- lmm->lmm_stripe_count = ldesc->ld_default_stripe_count;
- *size = sizeof(struct lov_mds_md);
-
- RETURN(sizeof(struct lov_mds_md));
+ RETURN(sizeof(*lum));
}
/* get lov EA only */
rc = mdd_get_md(env, mdd_obj, ma->ma_lmm, &ma->ma_lmm_size,
XATTR_NAME_LOV);
- if (rc == 0 && ma->ma_need & MA_LOV_DEF)
- rc = mdd_get_default_md(mdd_obj, ma->ma_lmm,
- &ma->ma_lmm_size);
+ if (rc == 0 && (ma->ma_need & MA_LOV_DEF))
+ rc = mdd_get_default_md(mdd_obj, ma->ma_lmm);
if (rc > 0) {
+ ma->ma_lmm_size = rc;
ma->ma_valid |= MA_LOV;
rc = 0;
}
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)
{
int reclen;
int rc;
+ /* Not recording */
if (!(mdd->mdd_cl.mc_flags & CLM_ON))
RETURN(0);
+ if ((mdd->mdd_cl.mc_mask & (1 << type)) == 0)
+ RETURN(0);
LASSERT(handle != NULL);
LASSERT(mdd_obj != NULL);
- if ((type == CL_TIME) &&
+ if ((type >= CL_MTIME) && (type <= CL_ATIME) &&
cfs_time_before_64(mdd->mdd_cl.mc_starttime, mdd_obj->mod_cltime)) {
/* Don't need multiple updates in this log */
/* Don't check under lock - no big deal if we get an extra
RETURN(-ENOMEM);
rec = (struct llog_changelog_rec *)buf->lb_buf;
- rec->cr.cr_flags = CLF_VERSION;
+ rec->cr.cr_flags = CLF_VERSION | (CLF_FLAGMASK & flags);
rec->cr.cr_type = (__u32)type;
rec->cr.cr_tfid = *tfid;
rec->cr.cr_namelen = 0;
return rc;
}
+/* Precedence for choosing record type when multiple
+ * attributes change: setattr > mtime > ctime > atime
+ * (ctime changes when mtime does, plus chmod/chown.
+ * atime and ctime are independent.) */
+static int mdd_attr_set_changelog(const struct lu_env *env,
+ struct md_object *obj, struct thandle *handle,
+ __u64 valid)
+{
+ struct mdd_device *mdd = mdo2mdd(obj);
+ int bits, type = 0;
+
+ bits = (valid & ~(LA_CTIME|LA_MTIME|LA_ATIME)) ? 1 << CL_SETATTR : 0;
+ bits |= (valid & LA_MTIME) ? 1 << CL_MTIME : 0;
+ bits |= (valid & LA_CTIME) ? 1 << CL_CTIME : 0;
+ bits |= (valid & LA_ATIME) ? 1 << CL_ATIME : 0;
+ bits = bits & mdd->mdd_cl.mc_mask;
+ if (bits == 0)
+ return 0;
+
+ /* The record type is the lowest non-masked set bit */
+ while (bits && ((bits & 1) == 0)) {
+ bits = bits >> 1;
+ type++;
+ }
+
+ /* FYI we only store the first CLF_FLAGMASK bits of la_valid */
+ return mdd_changelog_data_store(env, mdd, type, (int)valid,
+ md2mdd_obj(obj), handle);
+}
+
/* set attr and LOV EA at once, return updated attr */
static int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
const struct md_attr *ma)
}
cleanup:
if (rc == 0)
- rc = mdd_changelog_data_store(env, mdd,
- (ma->ma_attr.la_valid &
- ~(LA_MTIME|LA_CTIME|LA_ATIME)) ?
- CL_SETATTR : CL_TIME,
- mdd_obj, handle);
+ rc = mdd_attr_set_changelog(env, obj, handle,
+ ma->ma_attr.la_valid);
mdd_trans_stop(env, mdd, rc, handle);
if (rc == 0 && (lmm != NULL && lmm_size > 0 )) {
/*set obd attr, if needed*/
rc = mdd_xattr_set_txn(env, mdd_obj, buf, name, fl, handle);
/* Only record user xattr changes */
- if ((rc == 0) && (mdd->mdd_cl.mc_flags & CLM_ON) &&
- (strncmp("user.", name, 5) == 0))
- rc = mdd_changelog_data_store(env, mdd, CL_XATTR, mdd_obj,
+ if ((rc == 0) && (strncmp("user.", name, 5) == 0))
+ rc = mdd_changelog_data_store(env, mdd, CL_XATTR, 0, mdd_obj,
handle);
mdd_trans_stop(env, mdd, rc, handle);
mdd_write_unlock(env, mdd_obj);
/* Only record user xattr changes */
- if ((rc == 0) && (mdd->mdd_cl.mc_flags & CLM_ON) &&
- (strncmp("user.", name, 5) != 0))
- rc = mdd_changelog_data_store(env, mdd, CL_XATTR, mdd_obj,
+ if ((rc == 0) && (strncmp("user.", name, 5) != 0))
+ rc = mdd_changelog_data_store(env, mdd, CL_XATTR, 0, mdd_obj,
handle);
mdd_trans_stop(env, mdd, rc, handle);
struct mdd_object *mdd_obj = md2mdd_obj(obj);
LASSERT(mdd_object_exists(mdd_obj));
- return do_version_set(env, mdd_object_child(mdd_obj), version);
+ do_version_set(env, mdd_object_child(mdd_obj), version);
}
const struct md_object_operations mdd_obj_ops = {
git://git.whamcloud.com / fs / lustre-release.git / blobdiff