-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#include <lvfs.h>
#include "osd_internal.h"
+#include "osd_oi.h"
struct osd_compat_objid_seq {
/* protects on-fly initialization */
struct dentry *dlast;
loff_t off;
int rc = 0;
- int count = 0;
+ int count = FILTER_SUBDIR_COUNT;
ENTRY;
CDEBUG(D_INFO, "read last_rcvd header, uuid = %s, "
"subdir count = %d\n", lsd.lsd_uuid,
lsd.lsd_subdir_count);
- count = le16_to_cpu(lsd.lsd_subdir_count);
- } else if (rc != 0) {
- CERROR("Can't read last_rcvd file, rc = %d\n", rc);
- if (rc > 0)
- rc = -EFAULT;
- goto out;
- } else {
- count = FILTER_SUBDIR_COUNT;
- }
-
- rc = count;
+ if (le16_to_cpu(lsd.lsd_subdir_count) > 0)
+ count = le16_to_cpu(lsd.lsd_subdir_count);
+ } else if (rc != 0) {
+ CERROR("Can't read last_rcvd file, rc = %d\n", rc);
+ if (rc > 0)
+ rc = -EFAULT;
+ dput(dlast);
+ return rc;
+ }
out:
- dput(dlast);
- return rc;
+ dput(dlast);
+ LASSERT(count > 0);
+ return count;
}
void osd_compat_fini(struct osd_device *dev)
*/
int osd_compat_init(struct osd_device *dev)
{
- struct lvfs_run_ctxt new;
- struct lvfs_run_ctxt save;
- struct dentry *rootd = osd_sb(dev)->s_root;
- struct dentry *d;
- int rc;
- int i;
-
- ENTRY;
-
- /* to get subdir count from last_rcvd */
- rc = osd_last_rcvd_subdir_count(dev);
- if (rc <= 0)
- RETURN(rc);
+ struct lvfs_run_ctxt new;
+ struct lvfs_run_ctxt save;
+ struct dentry *rootd = osd_sb(dev)->s_root;
+ struct dentry *d;
+ int rc;
+ int i;
+
+ ENTRY;
+
+ OBD_ALLOC_PTR(dev->od_ost_map);
+ if (dev->od_ost_map == NULL)
+ RETURN(-ENOMEM);
+
+ /* to get subdir count from last_rcvd */
+ rc = osd_last_rcvd_subdir_count(dev);
+ if (rc < 0) {
+ OBD_FREE_PTR(dev->od_ost_map);
+ RETURN(rc);
+ }
dev->od_ost_map->subdir_count = rc;
rc = 0;
- OBD_ALLOC_PTR(dev->od_ost_map);
- if (dev->od_ost_map == NULL)
- RETURN(-ENOMEM);
-
LASSERT(dev->od_fsops);
osd_push_ctxt(dev, &new, &save);
child->d_parent = dird;
child->d_inode = NULL;
- LOCK_INODE_MUTEX(dir);
- rc = -ENOENT;
- bh = osd_ldiskfs_find_entry(dir, child, &de, NULL);
- if (bh) {
- rc = ldiskfs_delete_entry(oh->ot_handle, dir, de, bh);
- brelse(bh);
- }
- UNLOCK_INODE_MUTEX(dir);
-
- RETURN(rc);
+ ll_vfs_dq_init(dir);
+ mutex_lock(&dir->i_mutex);
+ rc = -ENOENT;
+ bh = osd_ldiskfs_find_entry(dir, child, &de, NULL);
+ if (bh) {
+ rc = ldiskfs_delete_entry(oh->ot_handle, dir, de, bh);
+ brelse(bh);
+ }
+ mutex_unlock(&dir->i_mutex);
+
+ RETURN(rc);
}
int osd_compat_add_entry(struct osd_thread_info *info, struct osd_device *osd,
inode = &info->oti_inode;
inode->i_sb = osd_sb(osd);
- inode->i_ino = id->oii_ino;
- inode->i_generation = id->oii_gen;
+ osd_id_to_inode(inode, id);
child = &info->oti_child_dentry;
child->d_name.hash = 0;
child->d_parent = dir;
child->d_inode = inode;
- LOCK_INODE_MUTEX(dir->d_inode);
- rc = osd_ldiskfs_add_entry(oh->ot_handle, child, inode, NULL);
- UNLOCK_INODE_MUTEX(dir->d_inode);
+ ll_vfs_dq_init(dir->d_inode);
+ mutex_lock(&dir->d_inode->i_mutex);
+ rc = osd_ldiskfs_add_entry(oh->ot_handle, child, inode, NULL);
+ mutex_unlock(&dir->d_inode->i_mutex);
- RETURN(rc);
+ RETURN(rc);
}
int osd_compat_objid_lookup(struct osd_thread_info *info,
struct dentry *d;
struct dentry *d_seq;
struct ost_id *ostid = &info->oti_ostid;
- int rc = 0;
int dirn;
char name[32];
struct ldiskfs_dir_entry_2 *de;
struct buffer_head *bh;
struct inode *dir;
+ struct inode *inode;
ENTRY;
/* on the very first lookup we find and open directories */
/* XXX: we can use rc from sprintf() instead of strlen() */
d_seq->d_name.len = strlen(name);
- dir = d->d_inode;
- LOCK_INODE_MUTEX(dir);
- bh = osd_ldiskfs_find_entry(dir, d_seq, &de, NULL);
- UNLOCK_INODE_MUTEX(dir);
-
- rc = -ENOENT;
- if (bh) {
- struct inode *inode;
+ dir = d->d_inode;
+ mutex_lock(&dir->i_mutex);
+ bh = osd_ldiskfs_find_entry(dir, d_seq, &de, NULL);
+ mutex_unlock(&dir->i_mutex);
- id->oii_ino = le32_to_cpu(de->inode);
- brelse(bh);
+ if (bh == NULL)
+ RETURN(-ENOENT);
- id->oii_gen = OSD_OII_NOGEN;
- inode = osd_iget(info, dev, id);
+ osd_id_gen(id, le32_to_cpu(de->inode), OSD_OII_NOGEN);
+ brelse(bh);
- if (IS_ERR(inode))
- GOTO(cleanup, rc = PTR_ERR(inode));
- rc = 0;
- id->oii_gen = inode->i_generation;
- iput(inode);
- }
+ inode = osd_iget(info, dev, id);
+ if (IS_ERR(inode))
+ RETURN(PTR_ERR(inode));
-cleanup:
- RETURN(rc);
+ iput(inode);
+ RETURN(0);
}
int osd_compat_objid_insert(struct osd_thread_info *info,
};
static const struct named_oid oids[] = {
- { FLD_INDEX_OID, "" /* "fld" */ },
- { FID_SEQ_CTL_OID, "" /* "seq_ctl" */ },
- { FID_SEQ_SRV_OID, "" /* "seq_srv" */ },
- { MDD_ROOT_INDEX_OID, "" /* "ROOT" */ },
- { MDD_ORPHAN_OID, "" /* "PENDING" */ },
- { MDD_LOV_OBJ_OID, "" /* LOV_OBJID */ },
- { MDD_CAPA_KEYS_OID, "" /* CAPA_KEYS */ },
- { MDT_LAST_RECV_OID, "" /* LAST_RCVD */ },
- { OFD_LAST_RECV_OID, "" /* LAST_RCVD */ },
- { OFD_LAST_GROUP_OID, "" /* "LAST_GROUP" */ },
- { LLOG_CATALOGS_OID, "" /* "CATALOGS" */ },
- { MGS_CONFIGS_OID, "" /* MOUNT_CONFIGS_DIR */ },
- { OFD_HEALTH_CHECK_OID, "" /* HEALTH_CHECK */ },
- { 0, NULL }
+ { FLD_INDEX_OID, "fld" },
+ { FID_SEQ_CTL_OID, "seq_ctl" },
+ { FID_SEQ_SRV_OID, "seq_srv" },
+ { MDD_ROOT_INDEX_OID, "" /* "ROOT" */ },
+ { MDD_ORPHAN_OID, "" /* "PENDING" */ },
+ { MDD_LOV_OBJ_OID, LOV_OBJID },
+ { MDD_CAPA_KEYS_OID, "" /* CAPA_KEYS */ },
+ { MDT_LAST_RECV_OID, LAST_RCVD },
+ { LFSCK_BOOKMARK_OID, "" /* "lfsck_bookmark" */ },
+ { OTABLE_IT_OID, "" /* "otable iterator" */},
+ { OFD_LAST_RECV_OID, LAST_RCVD },
+ { OFD_LAST_GROUP_OID, "LAST_GROUP" },
+ { LLOG_CATALOGS_OID, "CATALOGS" },
+ { MGS_CONFIGS_OID, "" /* MOUNT_CONFIGS_DIR */ },
+ { OFD_HEALTH_CHECK_OID, HEALTH_CHECK },
+ { 0, NULL }
};
static char *oid2name(const unsigned long oid)
seq = fid_oid(fid) - OFD_GROUP0_LAST_OID;
LASSERT(seq < MAX_OBJID_GROUP);
LASSERT(map->groups[seq].groot);
+ rc = osd_compat_add_entry(info, osd, map->groups[seq].groot,
+ "LAST_ID", id, th);
} else {
name = oid2name(fid_oid(fid));
if (name == NULL)
}
int osd_compat_spec_lookup(struct osd_thread_info *info,
- struct osd_device *osd, const struct lu_fid *fid,
- struct osd_inode_id *id)
+ struct osd_device *osd, const struct lu_fid *fid,
+ struct osd_inode_id *id)
{
- struct dentry *dentry;
- char *name;
- int rc = -ERESTART;
-
- ENTRY;
-
- name = oid2name(fid_oid(fid));
- if (name == NULL || strlen(name) == 0)
- return -ERESTART;
-
- dentry = ll_lookup_one_len(name, osd_sb(osd)->s_root, strlen(name));
- if (!IS_ERR(dentry)) {
- if (dentry->d_inode) {
- if (is_bad_inode(dentry->d_inode)) {
- rc = -EIO;
- } else {
- id->oii_ino = dentry->d_inode->i_ino;
- id->oii_gen = dentry->d_inode->i_generation;
- rc = 0;
- }
- }
- dput(dentry);
- }
-
- RETURN(rc);
+ struct dentry *root;
+ struct dentry *dentry;
+ struct inode *inode;
+ char *name;
+ int rc = -ENOENT;
+ ENTRY;
+
+ if (fid_oid(fid) >= OFD_GROUP0_LAST_OID &&
+ fid_oid(fid) < OFD_GROUP4K_LAST_OID) {
+ struct osd_compat_objid *map = osd->od_ost_map;
+ int seq;
+
+ LASSERT(map);
+ seq = fid_oid(fid) - OFD_GROUP0_LAST_OID;
+ LASSERT(seq < MAX_OBJID_GROUP);
+ LASSERT(map->groups[seq].groot);
+ root = map->groups[seq].groot;
+ name = "LAST_ID";
+ } else {
+ root = osd_sb(osd)->s_root;
+ name = oid2name(fid_oid(fid));
+ if (name == NULL || strlen(name) == 0)
+ RETURN(-ENOENT);
+ }
+
+ dentry = ll_lookup_one_len(name, root, strlen(name));
+ if (!IS_ERR(dentry)) {
+ inode = dentry->d_inode;
+ if (inode) {
+ if (is_bad_inode(inode)) {
+ rc = -EIO;
+ } else {
+ osd_id_gen(id, inode->i_ino,
+ inode->i_generation);
+ rc = 0;
+ }
+ }
+ /* if dentry is accessible after osd_compat_spec_insert it
+ * will still contain NULL inode, so don't keep it in cache */
+ d_invalidate(dentry);
+ dput(dentry);
+ }
+
+ RETURN(rc);
}
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff