EXIT;
}
-/* should NOT be called with the dcache lock, see fs/dcache.c */
-static int ll_ddelete(struct dentry *de)
-{
- ENTRY;
- LASSERT(de);
- CDEBUG(D_DENTRY, "%s dentry %*s (%p, parent %p, inode %p) %s%s\n",
- (de->d_flags & DCACHE_LUSTRE_INVALID ? "keeping" : "deleting"),
- de->d_name.len, de->d_name.name, de, de->d_parent, de->d_inode,
- d_unhashed(de) ? "" : "hashed,",
- list_empty(&de->d_subdirs) ? "" : "subdirs");
- RETURN(0);
-}
-
void ll_set_dd(struct dentry *de)
{
ENTRY;
LASSERT(de != NULL);
- CDEBUG(D_DENTRY, "ldd on dentry %*s (%p) parent %p inode %p refc %d\n",
- de->d_name.len, de->d_name.name, de, de->d_parent, de->d_inode,
- atomic_read(&de->d_count));
lock_kernel();
if (de->d_fsdata == NULL) {
OBD_ALLOC(de->d_fsdata, sizeof(struct ll_dentry_data));
void ll_unhash_aliases(struct inode *inode)
{
- struct list_head *tmp, *head;
+ struct list_head *tmp, *head;
struct ll_sb_info *sbi;
ENTRY;
- if (inode == NULL) {
- CERROR("unexpected NULL inode, tell phil\n");
- return;
- }
+ sbi = ll_i2sbi(inode);
CDEBUG(D_INODE, "marking dentries for ino %lu/%u(%p) invalid\n",
inode->i_ino, inode->i_generation, inode);
- sbi = ll_i2sbi(inode);
+ if (inode == NULL) {
+ CERROR("unexpected NULL inode, tell phil\n");
+ return;
+ }
head = &inode->i_dentry;
restart:
- spin_lock(&dcache_lock);
- tmp = head;
- while ((tmp = tmp->next) != head) {
- struct dentry *dentry = list_entry(tmp, struct dentry, d_alias);
- if (atomic_read(&dentry->d_count) == 0) {
- CDEBUG(D_DENTRY, "deleting dentry %*s (%p) parent %p "
- "inode %p\n", dentry->d_name.len,
- dentry->d_name.name, dentry, dentry->d_parent,
- dentry->d_inode);
- dget_locked(dentry);
- __d_drop(dentry);
- spin_unlock(&dcache_lock);
- dput(dentry);
- goto restart;
- } else if (!(dentry->d_flags & DCACHE_LUSTRE_INVALID)) {
- CDEBUG(D_DENTRY, "unhashing dentry %*s (%p) parent %p "
- "inode %p refc %d\n", dentry->d_name.len,
- dentry->d_name.name, dentry, dentry->d_parent,
- dentry->d_inode, atomic_read(&dentry->d_count));
+ spin_lock(&dcache_lock);
+ tmp = head;
+ while ((tmp = tmp->next) != head) {
+ struct dentry *dentry = list_entry(tmp, struct dentry, d_alias);
+ CDEBUG(D_INODE, "invalidate 0x%p: %*s -> %lu/%lu\n",
+ dentry, dentry->d_name.len, dentry->d_name.name,
+ (unsigned long) dentry->d_inode->i_ino,
+ (unsigned long) dentry->d_inode->i_generation);
+ if (!atomic_read(&dentry->d_count)) {
+ dget_locked(dentry);
+ __d_drop(dentry);
+ spin_unlock(&dcache_lock);
+ dput(dentry);
+ goto restart;
+ } else {
hlist_del_init(&dentry->d_hash);
dentry->d_flags |= DCACHE_LUSTRE_INVALID;
hlist_add_head(&dentry->d_hash,
&sbi->ll_orphan_dentry_list);
}
- }
- spin_unlock(&dcache_lock);
+ }
+ spin_unlock(&dcache_lock);
EXIT;
}
RETURN(-ENOENT);
sbi = ll_i2sbi(de->d_inode);
- rc = ll_prep_inode(sbi->ll_osc_exp, &de->d_inode, request, offset,NULL);
+ rc = ll_prep_inode(sbi->ll_osc_exp, sbi->ll_mdc_exp,
+ &de->d_inode, request, offset,NULL);
RETURN(rc);
}
if (de->d_inode == NULL)
RETURN(0);
+ CDEBUG(D_INODE, "revalidate 0x%p: %*s -> %lu/%lu\n",
+ de, de->d_name.len, de->d_name.name,
+ (unsigned long) de->d_inode->i_ino,
+ (unsigned long) de->d_inode->i_generation);
+
exp = ll_i2mdcexp(de->d_inode);
ll_inode2fid(&pfid, de->d_parent->d_inode);
ll_inode2fid(&cfid, de->d_inode);
if (it->it_op == IT_GETATTR) { /* We need to check for LOOKUP lock
as well */
- rc = mdc_intent_lock(exp, &ctxt, &pfid, de->d_name.name,
+ rc = md_intent_lock(exp, &ctxt, &pfid, de->d_name.name,
de->d_name.len, NULL, 0, &cfid, &lookup_it,
flags, &req, ll_mdc_blocking_ast);
/* If there was no lookup lock, no point in even checking for
it = &lookup_it;
GOTO(out, rc = 0);
}
-
+
if (req)
ptlrpc_req_finished(req);
req = NULL;
ll_lookup_finish_locks(&lookup_it, de);
}
- rc = mdc_intent_lock(exp, &ctxt, &pfid, de->d_name.name, de->d_name.len,
- NULL, 0,
- &cfid, it, flags, &req, ll_mdc_blocking_ast);
- /* If req is NULL, then mdc_intent_lock only tried to do a lock match;
+ rc = md_intent_lock(exp, &ctxt, &pfid, de->d_name.name, de->d_name.len,
+ NULL, 0, &cfid, it, flags, &req, ll_mdc_blocking_ast);
+ /* If req is NULL, then md_intent_lock only tried to do a lock match;
* if all was well, it will return 1 if it found locks, 0 otherwise. */
if (req == NULL && rc >= 0)
GOTO(out, rc);
ptlrpc_req_finished(req);
if (rc == 0) {
ll_unhash_aliases(de->d_inode);
- /* done in ll_unhash_aliases()
- dentry->d_flags |= DCACHE_LUSTRE_INVALID; */
+ de->d_flags |= DCACHE_LUSTRE_INVALID;
} else {
- CDEBUG(D_DENTRY, "revalidated dentry %*s (%p) parent %p "
- "inode %p refc %d\n", de->d_name.len,
- de->d_name.name, de, de->d_parent, de->d_inode,
- atomic_read(&de->d_count));
ll_lookup_finish_locks(it, de);
de->d_flags &= ~DCACHE_LUSTRE_INVALID;
}
}
#endif
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
+static void ll_dentry_iput(struct dentry *dentry, struct inode *inode)
+{
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ struct ll_fid parent, child;
+
+ LASSERT(dentry->d_parent && dentry->d_parent->d_inode);
+ ll_inode2fid(&parent, dentry->d_parent->d_inode);
+ ll_inode2fid(&child, inode);
+ md_change_cbdata_name(sbi->ll_mdc_exp, &parent,
+ (char *)dentry->d_name.name, dentry->d_name.len,
+ &child, null_if_equal, inode);
+ iput(inode);
+}
+#else
+#error "implement ->d_iput() for 2.6"
+#endif
+
struct dentry_operations ll_d_ops = {
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))
.d_revalidate = ll_revalidate_nd,
.d_revalidate_it = ll_revalidate_it,
#endif
.d_release = ll_release,
- .d_delete = ll_ddelete,
+ .d_iput = ll_dentry_iput,
#if 0
.d_pin = ll_pin,
.d_unpin = ll_unpin,