#define DEBUG_SUBSYSTEM S_LLITE
#include <linux/module.h>
+#include <linux/types.h>
#include <linux/random.h>
#include <linux/version.h>
extern struct address_space_operations ll_aops;
extern struct address_space_operations ll_dir_aops;
-extern struct super_operations ll_super_operations;
#ifndef log2
#define log2(n) ffz(~(n))
if (!sbi)
RETURN(NULL);
- spin_lock_init(&sbi->ll_pglist_lock);
+ spin_lock_init(&sbi->ll_lock);
INIT_LIST_HEAD(&sbi->ll_pglist);
sbi->ll_pglist_gen = 0;
+ sbi->ll_max_read_ahead_pages = SBI_DEFAULT_RA_MAX;
INIT_LIST_HEAD(&sbi->ll_conn_chain);
INIT_HLIST_HEAD(&sbi->ll_orphan_dentry_list);
- ll_s2sbi(sb) = sbi;
+ ll_set_sbi(sb, sbi);
generate_random_uuid(uuid);
class_uuid_unparse(uuid, &sbi->ll_sb_uuid);
if (sbi != NULL)
OBD_FREE(sbi, sizeof(*sbi));
- ll_s2sbi(sb) = NULL;
+ ll_set_sbi(sb, NULL);
EXIT;
}
+int lustre_init_ea_size(struct ll_sb_info *sbi)
+{
+ struct lov_desc desc;
+ int rc, valsize;
+
+ /* OSC may have larger ea size */
+ valsize = sizeof(desc);
+ rc = obd_get_info(sbi->ll_osc_exp, strlen("lovdesc") + 1, "lovdesc",
+ &valsize, &desc);
+ if (rc == 0) {
+ obd_init_ea_size(sbi->ll_mdc_exp,
+ obd_size_diskmd(sbi->ll_osc_exp, NULL),
+ desc.ld_tgt_count*sizeof(struct llog_cookie));
+
+ /* declare ourself as real client. not connection
+ * from another MDS
+ * FIXME: remove fake valsize, mdsize --bzzz */
+ rc = obd_set_info(sbi->ll_mdc_exp, strlen("client"),
+ "client", valsize, &desc);
+ }
+ RETURN(rc);
+}
+
int lustre_common_fill_super(struct super_block *sb, char *mdc, char *osc)
{
struct inode *root = 0;
CERROR("could not register mount in /proc/lustre");
}
- mdc_init_ea_size(obd, osc);
-
err = obd_connect(&mdc_conn, obd, &sbi->ll_sb_uuid);
if (err == -EBUSY) {
CERROR("An MDS (mdc %s) is performing recovery, of which this"
sb->s_blocksize_bits = log2(osfs.os_bsize);
sb->s_magic = LL_SUPER_MAGIC;
sb->s_maxbytes = PAGE_CACHE_MAXBYTES;
+
+ devno = get_uuid2int(sbi->ll_mdc_exp->exp_obd->obd_uuid.uuid,
+ strlen(sbi->ll_mdc_exp->exp_obd->obd_uuid.uuid));
- devno = get_uuid2int(sbi2mdc(sbi)->cl_import->imp_target_uuid.uuid,
- strlen(sbi2mdc(sbi)->cl_import->imp_target_uuid.uuid));
sb->s_dev = devno;
obd = class_name2obd(osc);
}
sbi->ll_osc_exp = class_conn2export(&osc_conn);
- err = mdc_getstatus(sbi->ll_mdc_exp, &rootfid);
+ lustre_init_ea_size(sbi);
+
+ err = md_getstatus(sbi->ll_mdc_exp, &rootfid);
if (err) {
CERROR("cannot mds_connect: rc = %d\n", err);
GOTO(out_osc, err);
/* make root inode
* XXX: move this to after cbd setup? */
- err = mdc_getattr(sbi->ll_mdc_exp, &rootfid,
- OBD_MD_FLNOTOBD|OBD_MD_FLBLOCKS, 0, &request);
+ err = md_getattr(sbi->ll_mdc_exp, &rootfid,
+ OBD_MD_FLNOTOBD | OBD_MD_FLBLOCKS, 0, &request);
if (err) {
- CERROR("mdc_getattr failed for root: rc = %d\n", err);
+ CERROR("md_getattr failed for root: rc = %d\n", err);
GOTO(out_osc, err);
}
- err = mdc_req2lustre_md(request, 0, sbi->ll_osc_exp, &md);
+ err = mdc_req2lustre_md(sbi->ll_mdc_exp, request, 0,
+ sbi->ll_osc_exp, &md);
if (err) {
CERROR("failed to understand root inode md: rc = %d\n",err);
ptlrpc_req_finished (request);
GOTO(out_root, err);
}
+ /* making vm readahead 0 for 2.4.x. In the case of 2.6.x,
+ backing dev info assigned to inode mapping is used for
+ determining maximal readahead. */
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
/* bug 2805 - set VM readahead to zero */
vm_max_readahead = vm_min_readahead = 0;
+#endif
+
sb->s_root = d_alloc_root(root);
RETURN(err);
spin_lock(&dcache_lock);
hlist_for_each_safe(tmp, next, &sbi->ll_orphan_dentry_list) {
struct dentry *dentry = hlist_entry(tmp, struct dentry, d_hash);
+ CWARN("orphan dentry %*s (%p) at unmount\n",
+ dentry->d_name.len, dentry->d_name.name, dentry);
shrink_dcache_parent(dentry);
}
spin_unlock(&dcache_lock);
RETURN(err);
} /* ll_read_super */
-void ll_put_super(struct super_block *sb)
-{
- ENTRY;
-
- CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
-
- lustre_common_put_super(sb);
-
- lustre_free_sbi(sb);
-
- EXIT;
-} /* ll_put_super */
-
int lustre_process_log(struct lustre_mount_data *lmd, char * profile,
struct config_llog_instance *cfg, int allow_recov)
{
PCFG_INIT(pcfg, NAL_CMD_REGISTER_MYNID);
pcfg.pcfg_nal = lmd->lmd_nal;
pcfg.pcfg_nid = lmd->lmd_local_nid;
- err = kportal_nal_cmd(&pcfg);
+ err = libcfs_nal_cmd(&pcfg);
if (err <0)
GOTO(out, err);
}
pcfg.pcfg_misc = lmd->lmd_port;
pcfg.pcfg_size = 8388608;
pcfg.pcfg_flags = 0x4; /*share*/
- err = kportal_nal_cmd(&pcfg);
+ err = libcfs_nal_cmd(&pcfg);
if (err <0)
GOTO(out, err);
}
exp = class_conn2export(&mdc_conn);
- ctxt = llog_get_context(exp->exp_obd, LLOG_CONFIG_REPL_CTXT);
+ ctxt = llog_get_context(&exp->exp_obd->obd_llogs, LLOG_CONFIG_REPL_CTXT);
+#if 1
rc = class_config_parse_llog(ctxt, profile, cfg);
+#else
+ /*
+ * For debugging, it's useful to just dump the log
+ */
+ rc = class_config_dump_llog(ctxt, profile, cfg);
+#endif
if (rc) {
CERROR("class_config_parse_llog failed: rc = %d\n", rc);
}
pcfg.pcfg_nid = lmd->lmd_server_nid;
pcfg.pcfg_id = lmd->lmd_server_ipaddr;
pcfg.pcfg_flags = 1; /*share*/
- err = kportal_nal_cmd(&pcfg);
+ err = libcfs_nal_cmd(&pcfg);
if (err <0)
GOTO(out, err);
}
struct config_llog_instance cfg;
int len;
- if (!lmd->lmd_mds) {
+ if (lmd->lmd_mds[0] == '\0') {
CERROR("no mds name\n");
GOTO(out_free, err = -EINVAL);
}
return inode;
}
-static int null_if_equal(struct ldlm_lock *lock, void *data)
+int null_if_equal(struct ldlm_lock *lock, void *data)
{
if (data == lock->l_ast_data)
lock->l_ast_data = NULL;
ll_inode2fid(&fid, inode);
clear_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &(ll_i2info(inode)->lli_flags));
- mdc_change_cbdata(sbi->ll_mdc_exp, &fid, null_if_equal, inode);
+ md_change_cbdata(sbi->ll_mdc_exp, &fid, null_if_equal, inode);
if (lli->lli_smd)
obd_change_cbdata(sbi->ll_osc_exp, lli->lli_smd,
lli->lli_smd = NULL;
}
+ if (lli->lli_mea) {
+ /* FIXME: change cbdata for mea here */
+ obd_free_memmd(sbi->ll_mdc_exp,
+ (struct lov_stripe_md **) &lli->lli_mea);
+ lli->lli_mea = NULL;
+ }
+
if (lli->lli_symlink_name) {
OBD_FREE(lli->lli_symlink_name,
strlen(lli->lli_symlink_name) + 1);
struct lustre_md md;
ll_prepare_mdc_op_data(&op_data, inode, NULL, NULL, 0, 0);
- rc = mdc_setattr(sbi->ll_mdc_exp, &op_data,
- attr, NULL, 0, NULL, 0, &request);
-
+ rc = md_setattr(sbi->ll_mdc_exp, &op_data,
+ attr, NULL, 0, NULL, 0, &request);
if (rc) {
ptlrpc_req_finished(request);
if (rc != -EPERM && rc != -EACCES)
- CERROR("mdc_setattr fails: rc = %d\n", rc);
+ CERROR("md_setattr fails: rc = %d\n", rc);
RETURN(rc);
}
- rc = mdc_req2lustre_md(request, 0, sbi->ll_osc_exp, &md);
+ rc = mdc_req2lustre_md(sbi->ll_mdc_exp, request, 0,
+ sbi->ll_osc_exp, &md);
if (rc) {
ptlrpc_req_finished(request);
RETURN(rc);
/* Won't invoke vmtruncate as we already cleared ATTR_SIZE,
* but needed to set timestamps backwards on utime. */
inode_setattr(inode, attr);
- ll_update_inode(inode, md.body, md.lsm);
+ ll_update_inode(inode, &md);
ptlrpc_req_finished(request);
if (!lsm || !S_ISREG(inode->i_mode)) {
(rc=ll_permission(inode,MAY_WRITE,NULL))!=0)
RETURN(rc);
} else {
- /* from inode_change_ok() */
- if (current->fsuid != inode->i_uid &&
- !capable(CAP_FOWNER))
- RETURN(-EPERM);
+ /* from inode_change_ok() */
+ if (current->fsuid != inode->i_uid &&
+ !capable(CAP_FOWNER))
+ RETURN(-EPERM);
}
}
rc = ll_extent_lock(NULL, inode, lsm, LCK_PW, &policy, &lockh,
ast_flags);
down(&inode->i_sem);
- if (rc != ELDLM_OK)
+ if (rc != 0)
RETURN(rc);
rc = vmtruncate(inode, attr->ia_size);
CDEBUG(D_INODE, "set mtime on OST inode %lu to %lu\n",
inode->i_ino, LTIME_S(attr->ia_mtime));
oa.o_id = lsm->lsm_object_id;
- oa.o_valid = OBD_MD_FLID;
+ oa.o_gr = lsm->lsm_object_gr;
+ oa.o_valid = OBD_MD_FLID | OBD_MD_FLGROUP;
obdo_from_inode(&oa, inode, OBD_MD_FLTYPE | OBD_MD_FLATIME |
OBD_MD_FLMTIME | OBD_MD_FLCTIME);
rc = obd_setattr(sbi->ll_osc_exp, &oa, lsm, NULL);
lsm->lsm_stripe_size, lsm->lsm_stripe_count);
}
-void ll_update_inode(struct inode *inode, struct mds_body *body,
- struct lov_stripe_md *lsm)
+void ll_update_inode(struct inode *inode, struct lustre_md *md)
{
struct ll_inode_info *lli = ll_i2info(inode);
+ struct mds_body *body = md->body;
+ struct lov_stripe_md *lsm = md->lsm;
+ struct mea *mea = md->mea;
+ ENTRY;
- LASSERT ((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
+ LASSERT((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
+ LASSERT((mea != NULL) == ((body->valid & OBD_MD_FLDIREA) != 0));
if (lsm != NULL) {
+ LASSERT(lsm->lsm_object_gr > 0);
if (lli->lli_smd == NULL) {
lli->lli_smd = lsm;
lli->lli_maxbytes = lsm->lsm_maxbytes;
obd_free_memmd(ll_i2obdexp(inode), &lsm);
}
+ if (mea != NULL) {
+ if (lli->lli_mea == NULL) {
+ lli->lli_mea = mea;
+ } else {
+ if (memcmp(lli->lli_mea, mea, body->eadatasize)) {
+ CERROR("mea mismatch for inode %lu\n",
+ inode->i_ino);
+ LBUG();
+ }
+ }
+ if (lli->lli_mea != mea)
+ obd_free_memmd(ll_i2mdcexp(inode),
+ (struct lov_stripe_md **) &mea);
+
+ }
+
if (body->valid & OBD_MD_FLID)
inode->i_ino = body->ino;
if (body->valid & OBD_MD_FLATIME)
if (body->valid & OBD_MD_FLSIZE)
set_bit(LLI_F_HAVE_MDS_SIZE_LOCK, &lli->lli_flags);
+
+ lli->lli_mds = body->mds;
+ inode->i_dev = (kdev_t) body->mds;
+ LASSERT(body->mds < 1000);
}
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
+static struct backing_dev_info ll_backing_dev_info = {
+ .ra_pages = 0, /* No readahead */
+ .memory_backed = 0, /* Does contribute to dirty memory */
+};
+#endif
+
void ll_read_inode2(struct inode *inode, void *opaque)
{
struct lustre_md *md = opaque;
LTIME_S(inode->i_mtime) = 0;
LTIME_S(inode->i_atime) = 0;
LTIME_S(inode->i_ctime) = 0;
- ll_update_inode(inode, md->body, md->lsm);
+
+ inode->i_rdev = 0;
+ ll_update_inode(inode, md);
/* OIDEBUG(inode); */
EXIT;
} else {
inode->i_op = &ll_special_inode_operations;
+
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
init_special_inode(inode, inode->i_mode,
kdev_t_to_nr(inode->i_rdev));
+
+ /* initializing backing dev info. */
+ inode->i_mapping->backing_dev_info = &ll_backing_dev_info;
#else
init_special_inode(inode, inode->i_mode, inode->i_rdev);
#endif
+ lli->ll_save_ifop = inode->i_fop;
+
+ if (S_ISCHR(inode->i_mode))
+ inode->i_fop = &ll_special_chr_inode_fops;
+ else if (S_ISBLK(inode->i_mode))
+ inode->i_fop = &ll_special_blk_inode_fops;
+ else if (S_ISFIFO(inode->i_mode))
+ inode->i_fop = &ll_special_fifo_inode_fops;
+ else if (S_ISSOCK(inode->i_mode))
+ inode->i_fop = &ll_special_sock_inode_fops;
+
+ CWARN("saved %p, replaced with %p\n", lli->ll_save_ifop,
+ inode->i_fop);
+
+ if (lli->ll_save_ifop->owner) {
+ CWARN("%p has owner %p\n", lli->ll_save_ifop,
+ lli->ll_save_ifop->owner);
+ }
EXIT;
}
}
struct mds_body *body;
ll_inode2fid(&fid, inode);
- rc = mdc_getattr(sbi->ll_mdc_exp, &fid, valid, 0, &req);
+ rc = md_getattr(sbi->ll_mdc_exp, &fid, valid, 0, &req);
if (rc) {
CERROR("failure %d inode %lu\n", rc, inode->i_ino);
RETURN(-abs(rc));
attr.ia_attr_flags = flags;
attr.ia_valid |= ATTR_ATTR_FLAG;
- rc = mdc_setattr(sbi->ll_mdc_exp, &op_data,
- &attr, NULL, 0, NULL, 0, &req);
+ rc = md_setattr(sbi->ll_mdc_exp, &op_data,
+ &attr, NULL, 0, NULL, 0, &req);
if (rc) {
ptlrpc_req_finished(req);
if (rc != -EPERM && rc != -EACCES)
- CERROR("mdc_setattr fails: rc = %d\n", rc);
+ CERROR("md_setattr fails: rc = %d\n", rc);
obdo_free(oa);
RETURN(rc);
}
ptlrpc_req_finished(req);
oa->o_id = lsm->lsm_object_id;
+ oa->o_gr = lsm->lsm_object_gr;
oa->o_flags = flags;
- oa->o_valid = OBD_MD_FLID | OBD_MD_FLFLAGS;
+ oa->o_valid = OBD_MD_FLID | OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
rc = obd_setattr(sbi->ll_osc_exp, oa, lsm, NULL);
obdo_free(oa);
if (rc) {
if (rc != -EPERM && rc != -EACCES)
- CERROR("mdc_setattr fails: rc = %d\n", rc);
+ CERROR("md_setattr fails: rc = %d\n", rc);
RETURN(rc);
}
EXIT;
}
-int ll_prep_inode(struct obd_export *exp, struct inode **inode,
- struct ptlrpc_request *req, int offset,struct super_block *sb)
+int ll_prep_inode(struct obd_export *osc_exp, struct obd_export *mdc_exp,
+ struct inode **inode, struct ptlrpc_request *req,
+ int offset, struct super_block *sb)
{
struct lustre_md md;
int rc = 0;
- rc = mdc_req2lustre_md(req, offset, exp, &md);
+ rc = mdc_req2lustre_md(mdc_exp, req, offset, osc_exp, &md);
if (rc)
RETURN(rc);
if (*inode) {
- ll_update_inode(*inode, md.body, md.lsm);
+ ll_update_inode(*inode, &md);
} else {
LASSERT(sb);
*inode = ll_iget(sb, md.body->ino, &md);
if (*inode == NULL || is_bad_inode(*inode)) {
/* free the lsm if we allocated one above */
if (md.lsm != NULL)
- obd_free_memmd(exp, &md.lsm);
+ obd_free_memmd(osc_exp, &md.lsm);
+ if (md.mea != NULL)
+ obd_free_memmd(mdc_exp,
+ (struct lov_stripe_md**)&md.mea);
rc = -ENOMEM;
CERROR("new_inode -fatal: rc %d\n", rc);
}