#include <lustre_quota.h>
#include <ldiskfs/xattr.h>
+#include <lustre_linkea.h>
int ldiskfs_pdo = 1;
CFS_MODULE_PARM(ldiskfs_pdo, "i", int, 0644,
qid_t gid;
long long bspace;
int rc = 0;
- bool allocated;
+ bool enforce;
ENTRY;
LASSERT(dt != NULL);
* We still need to call the osd_declare_qid() to calculate the journal
* credits for updating quota accounting files and to trigger quota
* space adjustment once the operation is completed.*/
- if ((attr->la_valid & LA_UID) != 0 &&
- attr->la_uid != (uid = i_uid_read(obj->oo_inode))) {
+ if (attr->la_valid & LA_UID || attr->la_valid & LA_GID) {
+ /* USERQUOTA */
+ uid = i_uid_read(obj->oo_inode);
qi->lqi_type = USRQUOTA;
-
+ enforce = (attr->la_valid & LA_UID) && (attr->la_uid != uid);
/* inode accounting */
qi->lqi_is_blk = false;
- /* one more inode for the new owner ... */
+ /* one more inode for the new uid ... */
qi->lqi_id.qid_uid = attr->la_uid;
qi->lqi_space = 1;
- allocated = (attr->la_uid == 0) ? true : false;
- rc = osd_declare_qid(env, oh, qi, allocated, NULL);
+ /* Reserve credits for the new uid */
+ rc = osd_declare_qid(env, oh, qi, NULL, enforce, NULL);
if (rc == -EDQUOT || rc == -EINPROGRESS)
rc = 0;
if (rc)
/* and one less inode for the current uid */
qi->lqi_id.qid_uid = uid;
qi->lqi_space = -1;
- rc = osd_declare_qid(env, oh, qi, true, NULL);
+ rc = osd_declare_qid(env, oh, qi, obj, enforce, NULL);
if (rc == -EDQUOT || rc == -EINPROGRESS)
rc = 0;
if (rc)
/* block accounting */
qi->lqi_is_blk = true;
- /* more blocks for the new owner ... */
+ /* more blocks for the new uid ... */
qi->lqi_id.qid_uid = attr->la_uid;
qi->lqi_space = bspace;
- allocated = (attr->la_uid == 0) ? true : false;
- rc = osd_declare_qid(env, oh, qi, allocated, NULL);
+ /*
+ * Credits for the new uid has been reserved, re-use "obj"
+ * to save credit reservation.
+ */
+ rc = osd_declare_qid(env, oh, qi, obj, enforce, NULL);
if (rc == -EDQUOT || rc == -EINPROGRESS)
rc = 0;
if (rc)
RETURN(rc);
- /* and finally less blocks for the current owner */
+ /* and finally less blocks for the current uid */
qi->lqi_id.qid_uid = uid;
qi->lqi_space = -bspace;
- rc = osd_declare_qid(env, oh, qi, true, NULL);
+ rc = osd_declare_qid(env, oh, qi, obj, enforce, NULL);
if (rc == -EDQUOT || rc == -EINPROGRESS)
rc = 0;
if (rc)
RETURN(rc);
- }
- if (attr->la_valid & LA_GID &&
- attr->la_gid != (gid = i_gid_read(obj->oo_inode))) {
+ /* GROUP QUOTA */
+ gid = i_gid_read(obj->oo_inode);
qi->lqi_type = GRPQUOTA;
+ enforce = (attr->la_valid & LA_GID) && (attr->la_gid != gid);
/* inode accounting */
qi->lqi_is_blk = false;
- /* one more inode for the new group owner ... */
+ /* one more inode for the new gid ... */
qi->lqi_id.qid_gid = attr->la_gid;
qi->lqi_space = 1;
- allocated = (attr->la_gid == 0) ? true : false;
- rc = osd_declare_qid(env, oh, qi, allocated, NULL);
+ rc = osd_declare_qid(env, oh, qi, NULL, enforce, NULL);
if (rc == -EDQUOT || rc == -EINPROGRESS)
rc = 0;
if (rc)
/* and one less inode for the current gid */
qi->lqi_id.qid_gid = gid;
qi->lqi_space = -1;
- rc = osd_declare_qid(env, oh, qi, true, NULL);
+ rc = osd_declare_qid(env, oh, qi, obj, enforce, NULL);
if (rc == -EDQUOT || rc == -EINPROGRESS)
rc = 0;
if (rc)
/* block accounting */
qi->lqi_is_blk = true;
- /* more blocks for the new owner ... */
+ /* more blocks for the new gid ... */
qi->lqi_id.qid_gid = attr->la_gid;
qi->lqi_space = bspace;
- allocated = (attr->la_gid == 0) ? true : false;
- rc = osd_declare_qid(env, oh, qi, allocated, NULL);
+ rc = osd_declare_qid(env, oh, qi, obj, enforce, NULL);
if (rc == -EDQUOT || rc == -EINPROGRESS)
rc = 0;
if (rc)
RETURN(rc);
- /* and finally less blocks for the current owner */
+ /* and finally less blocks for the current gid */
qi->lqi_id.qid_gid = gid;
qi->lqi_space = -bspace;
- rc = osd_declare_qid(env, oh, qi, true, NULL);
+ rc = osd_declare_qid(env, oh, qi, obj, enforce, NULL);
if (rc == -EDQUOT || rc == -EINPROGRESS)
rc = 0;
if (rc)
struct iattr iattr;
int rc;
+ ll_vfs_dq_init(inode);
iattr.ia_valid = 0;
if (attr->la_valid & LA_UID)
iattr.ia_valid |= ATTR_UID;
}
inode = obj->oo_inode;
- ll_vfs_dq_init(inode);
rc = osd_quota_transfer(inode, attr);
if (rc)
RETURN(0);
rc = osd_declare_inode_qid(env, attr->la_uid, attr->la_gid, 1, oh,
- false, false, NULL, false);
+ osd_dt_obj(dt), false, NULL, false);
if (rc != 0)
RETURN(rc);
osd_dto_credits_noquota[DTO_INDEX_DELETE] + 3);
/* one less inode */
rc = osd_declare_inode_qid(env, i_uid_read(inode), i_gid_read(inode),
- -1, oh, false, true, NULL, false);
+ -1, oh, obj, false, NULL, false);
if (rc)
RETURN(rc);
/* data to be truncated */
rc = osd_declare_inode_qid(env, i_uid_read(inode), i_gid_read(inode),
- 0, oh, true, true, NULL, false);
+ 0, oh, obj, true, NULL, false);
RETURN(rc);
}
{
struct osd_thandle *oh;
int credits;
+ struct super_block *sb = osd_sb(osd_dev(dt->do_lu.lo_dev));
LASSERT(handle != NULL);
} else if (strcmp(name, XATTR_NAME_VERSION) == 0) {
credits = 1;
} else {
- struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
- struct super_block *sb = osd_sb(osd);
credits = osd_dto_credits_noquota[DTO_XATTR_SET];
if (buf && buf->lb_len > sb->s_blocksize) {
credits *= (buf->lb_len + sb->s_blocksize - 1) >>
sb->s_blocksize_bits;
}
+ /*
+ * xattr set may involve inode quota change, reserve credits for
+ * dquot_initialize()
+ */
+ oh->ot_credits += LDISKFS_MAXQUOTAS_INIT_BLOCKS(sb);
}
osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET, credits);
struct thandle *handle)
{
struct osd_thandle *oh;
+ struct super_block *sb = osd_sb(osd_dev(dt->do_lu.lo_dev));
LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
LASSERT(handle != NULL);
osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
osd_dto_credits_noquota[DTO_XATTR_SET]);
+ /*
+ * xattr del may involve inode quota change, reserve credits for
+ * dquot_initialize()
+ */
+ oh->ot_credits += LDISKFS_MAXQUOTAS_INIT_BLOCKS(sb);
return 0;
}
LASSERT(inode);
rc = osd_declare_inode_qid(env, i_uid_read(inode), i_gid_read(inode),
- 0, oh, true, true, NULL, false);
+ 0, oh, osd_dt_obj(dt), true, NULL, false);
RETURN(rc);
}
}
/**
+ * Get parent FID from the linkEA.
+ *
+ * For a directory which parent resides on remote MDT, to satisfy the
+ * local e2fsck, we insert it into the /REMOTE_PARENT_DIR locally. On
+ * the other hand, to make the lookup(..) on the directory can return
+ * the real parent FID, we append the real parent FID after its ".."
+ * name entry in the /REMOTE_PARENT_DIR.
+ *
+ * Unfortunately, such PFID-in-dirent cannot be preserved via file-level
+ * backup. So after the restore, we cannot get the right parent FID from
+ * its ".." name entry in the /REMOTE_PARENT_DIR. Under such case, since
+ * we have stored the real parent FID in the directory object's linkEA,
+ * we can parse the linkEA for the real parent FID.
+ *
+ * \param[in] env pointer to the thread context
+ * \param[in] obj pointer to the object to be handled
+ * \param[out]fid pointer to the buffer to hold the parent FID
+ *
+ * \retval 0 for getting the real parent FID successfully
+ * \retval negative error number on failure
+ */
+static int osd_get_pfid_from_linkea(const struct lu_env *env,
+ struct osd_object *obj,
+ struct lu_fid *fid)
+{
+ struct osd_thread_info *oti = osd_oti_get(env);
+ struct lu_buf *buf = &oti->oti_big_buf;
+ struct dentry *dentry = &oti->oti_obj_dentry;
+ struct inode *inode = obj->oo_inode;
+ struct linkea_data ldata = { 0 };
+ int rc;
+ ENTRY;
+
+ fid_zero(fid);
+ if (!S_ISDIR(inode->i_mode))
+ RETURN(-EIO);
+
+again:
+ rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LINK,
+ buf->lb_buf, buf->lb_len);
+ if (rc == -ERANGE) {
+ rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LINK,
+ NULL, 0);
+ if (rc > 0) {
+ lu_buf_realloc(buf, rc);
+ if (buf->lb_buf == NULL)
+ RETURN(-ENOMEM);
+
+ goto again;
+ }
+ }
+
+ if (unlikely(rc == 0))
+ RETURN(-ENODATA);
+
+ if (rc < 0)
+ RETURN(rc);
+
+ if (unlikely(buf->lb_buf == NULL)) {
+ lu_buf_realloc(buf, rc);
+ if (buf->lb_buf == NULL)
+ RETURN(-ENOMEM);
+
+ goto again;
+ }
+
+ ldata.ld_buf = buf;
+ rc = linkea_init(&ldata);
+ if (rc == 0) {
+ linkea_first_entry(&ldata);
+ linkea_entry_unpack(ldata.ld_lee, &ldata.ld_reclen, NULL, fid);
+ }
+
+ RETURN(rc);
+}
+
+/**
* Calls ->lookup() to find dentry. From dentry get inode and
* read inode's ea to get fid. This is required for interoperability
* mode (b11826)
/* done with de, release bh */
brelse(bh);
- if (rc != 0)
- rc = osd_ea_fid_get(env, obj, ino, fid, id);
- else
+ if (rc != 0) {
+ if (unlikely(ino == osd_remote_parent_ino(dev)))
+ /* If the parent is on remote MDT, and there
+ * is no FID-in-dirent, then we have to get
+ * the parent FID from the linkEA. */
+ rc = osd_get_pfid_from_linkea(env, obj, fid);
+ else
+ rc = osd_ea_fid_get(env, obj, ino, fid, id);
+ } else {
osd_id_gen(id, ino, OSD_OII_NOGEN);
+ }
+
if (rc != 0) {
fid_zero(&oic->oic_fid);
GOTO(out, rc);
* calculate how many blocks will be consumed by this index
* insert */
rc = osd_declare_inode_qid(env, i_uid_read(inode),
- i_gid_read(inode), 0,
- oh, true, true, NULL, false);
+ i_gid_read(inode), 0, oh,
+ osd_dt_obj(dt), true, NULL, false);
}
if (fid == NULL)
GOTO(out_journal, rc);
}
- /* skip the REMOTE_PARENT_DIR. */
- if (inode == dev->od_mdt_map->omm_remote_parent->d_inode)
- GOTO(out_inode, rc = 0);
-
rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
if (rc == 0) {
LASSERT(!(lma->lma_compat & LMAC_NOT_IN_OI));
int rc = 0;
ENTRY;
+ LASSERT(obj->oo_inode != dev->od_mdt_map->omm_remote_parent->d_inode);
+
if (attr & LUDA_VERIFY) {
- attr |= LUDA_TYPE;
- if (unlikely(ino == osd_sb(dev)->s_root->d_inode->i_ino)) {
+ if (unlikely(ino == osd_remote_parent_ino(dev))) {
attr |= LUDA_IGNORE;
- rc = 0;
+ /* If the parent is on remote MDT, and there
+ * is no FID-in-dirent, then we have to get
+ * the parent FID from the linkEA. */
+ osd_get_pfid_from_linkea(env, obj, fid);
} else {
rc = osd_dirent_check_repair(env, obj, it, fid, id,
&attr);
it->oie_dirent->oied_name[1] != '.'))
RETURN(-ENOENT);
- rc = osd_ea_fid_get(env, obj, ino, fid, id);
+ if (unlikely(ino == osd_remote_parent_ino(dev)))
+ /* If the parent is on remote MDT, and there
+ * is no FID-in-dirent, then we have to get
+ * the parent FID from the linkEA. */
+ rc = osd_get_pfid_from_linkea(env, obj, fid);
+ else
+ rc = osd_ea_fid_get(env, obj, ino, fid, id);
} else {
osd_id_gen(id, ino, OSD_OII_NOGEN);
}
OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
lu_buf_free(&info->oti_iobuf.dr_pg_buf);
lu_buf_free(&info->oti_iobuf.dr_bl_buf);
+ lu_buf_free(&info->oti_big_buf);
OBD_FREE_PTR(info);
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff