* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
/* this differs from dt_locate by top_dev as parameter
* but not one from lu_site */
struct dt_object *dt_locate_at(const struct lu_env *env,
- struct dt_device *dev, const struct lu_fid *fid,
- struct lu_device *top_dev)
+ struct dt_device *dev,
+ const struct lu_fid *fid,
+ struct lu_device *top_dev,
+ const struct lu_object_conf *conf)
{
- struct lu_object *lo, *n;
- ENTRY;
+ struct lu_object *lo;
+ struct lu_object *n;
- lo = lu_object_find_at(env, top_dev, fid, NULL);
+ lo = lu_object_find_at(env, top_dev, fid, conf);
if (IS_ERR(lo))
- return (void *)lo;
+ return ERR_PTR(PTR_ERR(lo));
LASSERT(lo != NULL);
- cfs_list_for_each_entry(n, &lo->lo_header->loh_layers, lo_linkage) {
+ list_for_each_entry(n, &lo->lo_header->loh_layers, lo_linkage) {
if (n->lo_dev == &dev->dd_lu_dev)
return container_of0(n, struct dt_object, do_lu);
}
+
return ERR_PTR(-ENOENT);
}
EXPORT_SYMBOL(dt_locate_at);
return rc;
}
-static struct dt_object *dt_store_resolve(const struct lu_env *env,
- struct dt_device *dt,
- const char *path,
- struct lu_fid *fid)
+struct dt_object *
+dt_store_resolve(const struct lu_env *env, struct dt_device *dt,
+ const char *path, struct lu_fid *fid)
{
struct dt_thread_info *info = dt_info(env);
struct dt_find_hint *dfh = &info->dti_dfh;
}
return obj;
}
+EXPORT_SYMBOL(dt_store_resolve);
static struct dt_object *dt_reg_open(const struct lu_env *env,
struct dt_device *dt,
const struct dt_index_features dt_otable_features;
EXPORT_SYMBOL(dt_otable_features);
+/* lfsck orphan */
+const struct dt_index_features dt_lfsck_orphan_features = {
+ .dif_flags = 0,
+ .dif_keysize_min = sizeof(struct lu_fid),
+ .dif_keysize_max = sizeof(struct lu_fid),
+ .dif_recsize_min = sizeof(struct lu_orphan_rec),
+ .dif_recsize_max = sizeof(struct lu_orphan_rec),
+ .dif_ptrsize = 4
+};
+EXPORT_SYMBOL(dt_lfsck_orphan_features);
+
+/* lfsck */
+const struct dt_index_features dt_lfsck_features = {
+ .dif_flags = DT_IND_UPDATE,
+ .dif_keysize_min = sizeof(struct lu_fid),
+ .dif_keysize_max = sizeof(struct lu_fid),
+ .dif_recsize_min = sizeof(__u8),
+ .dif_recsize_max = sizeof(__u8),
+ .dif_ptrsize = 4
+};
+EXPORT_SYMBOL(dt_lfsck_features);
+
/* accounting indexes */
const struct dt_index_features dt_acct_features = {
.dif_flags = DT_IND_UPDATE,
/* slave index should be a regular file */
return ERR_PTR(-ENOENT);
return &dt_quota_slv_features;
+ } else if (seq == FID_SEQ_LAYOUT_RBTREE){
+ return &dt_lfsck_orphan_features;
} else if (seq >= FID_SEQ_NORMAL) {
/* object is part of the namespace, verify that it is a
* directory */
int i;
LASSERT(pageidx < rdpg->rp_npages);
- lp = cfs_kmap(rdpg->rp_pages[pageidx]);
+ lp = kmap(rdpg->rp_pages[pageidx]);
/* fill lu pages */
for (i = 0; i < LU_PAGE_COUNT; i++, lp++, nob -= LU_PAGE_SIZE) {
/* end of index */
break;
}
- cfs_kunmap(rdpg->rp_pages[i]);
+ kunmap(rdpg->rp_pages[i]);
}
iops->put(env, it);
* \retval appropriate error otherwise.
*/
int dt_index_read(const struct lu_env *env, struct dt_device *dev,
- struct idx_info *ii, const struct lu_rdpg *rdpg)
+ struct idx_info *ii, const struct lu_rdpg *rdpg)
{
const struct dt_index_features *feat;
struct dt_object *obj;
if (rdpg->rp_count <= 0 && (rdpg->rp_count & (LU_PAGE_SIZE - 1)) != 0)
RETURN(-EFAULT);
- if (fid_seq(&ii->ii_fid) < FID_SEQ_SPECIAL)
- /* block access to local files */
- RETURN(-EPERM);
-
if (fid_seq(&ii->ii_fid) >= FID_SEQ_NORMAL)
/* we don't support directory transfer via OBD_IDX_READ for the
* time being */
RETURN(-EOPNOTSUPP);
+ if (!fid_is_quota(&ii->ii_fid) && !fid_is_layout_rbtree(&ii->ii_fid))
+ /* Block access to all local files except quota files and
+ * layout rbtree. */
+ RETURN(-EPERM);
+
/* lookup index object subject to the transfer */
obj = dt_locate(env, dev, &ii->ii_fid);
if (IS_ERR(obj))
/* key isn't necessarily unique */
ii->ii_flags |= II_FL_NONUNQ;
- dt_read_lock(env, obj, 0);
- /* fetch object version before walking the index */
- ii->ii_version = dt_version_get(env, obj);
+ if (!fid_is_layout_rbtree(&ii->ii_fid)) {
+ dt_read_lock(env, obj, 0);
+ /* fetch object version before walking the index */
+ ii->ii_version = dt_version_get(env, obj);
+ }
/* walk the index and fill lu_idxpages with key/record pairs */
rc = dt_index_walk(env, obj, rdpg, dt_index_page_build ,ii);
- dt_read_unlock(env, obj);
+ if (!fid_is_layout_rbtree(&ii->ii_fid))
+ dt_read_unlock(env, obj);
if (rc == 0) {
/* index is empty */
return rc;
}
EXPORT_SYMBOL(dt_index_read);
+
+#ifdef LPROCFS
+#ifndef HAVE_ONLY_PROCFS_SEQ
+int lprocfs_dt_rd_blksize(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct dt_device *dt = data;
+ struct obd_statfs osfs;
+
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (rc == 0) {
+ *eof = 1;
+ rc = snprintf(page, count, "%u\n",
+ (unsigned) osfs.os_bsize);
+ }
+
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_dt_rd_blksize);
+
+int lprocfs_dt_rd_kbytestotal(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct dt_device *dt = data;
+ struct obd_statfs osfs;
+
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (rc == 0) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_blocks;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ *eof = 1;
+ rc = snprintf(page, count, LPU64"\n", result);
+ }
+
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_dt_rd_kbytestotal);
+
+int lprocfs_dt_rd_kbytesfree(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct dt_device *dt = data;
+ struct obd_statfs osfs;
+
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (rc == 0) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_bfree;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ *eof = 1;
+ rc = snprintf(page, count, LPU64"\n", result);
+ }
+
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_dt_rd_kbytesfree);
+
+int lprocfs_dt_rd_kbytesavail(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct dt_device *dt = data;
+ struct obd_statfs osfs;
+
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (rc == 0) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_bavail;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ *eof = 1;
+ rc = snprintf(page, count, LPU64"\n", result);
+ }
+
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_dt_rd_kbytesavail);
+
+int lprocfs_dt_rd_filestotal(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct dt_device *dt = data;
+ struct obd_statfs osfs;
+
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (rc == 0) {
+ *eof = 1;
+ rc = snprintf(page, count, LPU64"\n", osfs.os_files);
+ }
+
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_dt_rd_filestotal);
+
+int lprocfs_dt_rd_filesfree(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct dt_device *dt = data;
+ struct obd_statfs osfs;
+
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (rc == 0) {
+ *eof = 1;
+ rc = snprintf(page, count, LPU64"\n", osfs.os_ffree);
+ }
+
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_dt_rd_filesfree);
+#endif
+
+int lprocfs_dt_blksize_seq_show(struct seq_file *m, void *v)
+{
+ struct dt_device *dt = m->private;
+ struct obd_statfs osfs;
+
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (rc == 0)
+ seq_printf(m, "%u\n", (unsigned) osfs.os_bsize);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_dt_blksize_seq_show);
+
+int lprocfs_dt_kbytestotal_seq_show(struct seq_file *m, void *v)
+{
+ struct dt_device *dt = m->private;
+ struct obd_statfs osfs;
+
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (rc == 0) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_blocks;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ seq_printf(m, LPU64"\n", result);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_dt_kbytestotal_seq_show);
+
+int lprocfs_dt_kbytesfree_seq_show(struct seq_file *m, void *v)
+{
+ struct dt_device *dt = m->private;
+ struct obd_statfs osfs;
+
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (rc == 0) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_bfree;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ seq_printf(m, LPU64"\n", result);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_dt_kbytesfree_seq_show);
+
+int lprocfs_dt_kbytesavail_seq_show(struct seq_file *m, void *v)
+{
+ struct dt_device *dt = m->private;
+ struct obd_statfs osfs;
+
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (rc == 0) {
+ __u32 blk_size = osfs.os_bsize >> 10;
+ __u64 result = osfs.os_bavail;
+
+ while (blk_size >>= 1)
+ result <<= 1;
+
+ seq_printf(m, LPU64"\n", result);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_dt_kbytesavail_seq_show);
+
+int lprocfs_dt_filestotal_seq_show(struct seq_file *m, void *v)
+{
+ struct dt_device *dt = m->private;
+ struct obd_statfs osfs;
+
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (rc == 0)
+ seq_printf(m, LPU64"\n", osfs.os_files);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_dt_filestotal_seq_show);
+
+int lprocfs_dt_filesfree_seq_show(struct seq_file *m, void *v)
+{
+ struct dt_device *dt = m->private;
+ struct obd_statfs osfs;
+
+ int rc = dt_statfs(NULL, dt, &osfs);
+ if (rc == 0)
+ seq_printf(m, LPU64"\n", osfs.os_ffree);
+ return rc;
+}
+EXPORT_SYMBOL(lprocfs_dt_filesfree_seq_show);
+
+#endif /* LPROCFS */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff