static int ll_create_it(struct inode *, struct dentry *,
int, struct lookup_intent *);
-/*
- * Check if we have something mounted at the named dchild.
- * In such a case there would always be dentry present.
- */
-static int ll_d_mountpoint(struct dentry *dparent, struct dentry *dchild,
- struct qstr *name)
-{
- int mounted = 0;
-
- if (unlikely(dchild)) {
- mounted = d_mountpoint(dchild);
- } else if (dparent) {
- dchild = d_lookup(dparent, name);
- if (dchild) {
- mounted = d_mountpoint(dchild);
- dput(dchild);
- }
- }
- return mounted;
-}
-
/* called from iget5_locked->find_inode() under inode_hash_lock spinlock */
static int ll_test_inode(struct inode *inode, void *opaque)
{
struct ll_d_hlist_node *p;
ll_lock_dcache(dir);
- ll_d_hlist_for_each_entry(dentry, p, &dir->i_dentry, d_alias) {
+ ll_d_hlist_for_each_entry(dentry, p, &dir->i_dentry, d_u.d_alias) {
spin_lock(&dentry->d_lock);
if (!list_empty(&dentry->d_subdirs)) {
struct dentry *child;
list_for_each_entry_safe(child, tmp_subdir,
&dentry->d_subdirs,
- d_u.d_child) {
+ d_child) {
if (child->d_inode == NULL)
d_lustre_invalidate(child, 1);
}
if ((bits & (MDS_INODELOCK_LOOKUP | MDS_INODELOCK_PERM)) &&
inode->i_sb->s_root != NULL &&
- inode != inode->i_sb->s_root->d_inode)
+ is_root_inode(inode))
ll_invalidate_aliases(inode);
iput(inode);
discon_alias = invalid_alias = NULL;
ll_lock_dcache(inode);
- ll_d_hlist_for_each_entry(alias, p, &inode->i_dentry, d_alias) {
+ ll_d_hlist_for_each_entry(alias, p, &inode->i_dentry, d_u.d_alias) {
LASSERT(alias != dentry);
spin_lock(&alias->d_lock);
if (dentry->d_name.len > ll_i2sbi(parent)->ll_namelen)
return ERR_PTR(-ENAMETOOLONG);
- CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p),intent=%s\n",
- dentry->d_name.len, dentry->d_name.name, parent->i_ino,
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%pd,dir=%lu/%u(%p),intent=%s\n",
+ dentry, parent->i_ino,
parent->i_generation, parent, LL_IT2STR(it));
if (d_mountpoint(dentry))
if ((it->it_op & IT_OPEN) && dentry->d_inode &&
!S_ISREG(dentry->d_inode->i_mode) &&
!S_ISDIR(dentry->d_inode->i_mode)) {
- ll_release_openhandle(dentry, it);
+ ll_release_openhandle(dentry->d_inode, it);
}
ll_lookup_finish_locks(it, dentry);
struct lookup_intent *itp, it = { .it_op = IT_GETATTR };
struct dentry *de;
- CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p),flags=%u\n",
- dentry->d_name.len, dentry->d_name.name, parent->i_ino,
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%pd,dir=%lu/%u(%p),flags=%u\n",
+ dentry, parent->i_ino,
parent->i_generation, parent, flags);
/* Optimize away (CREATE && !OPEN). Let .create handle the race. */
long long lookup_flags = LOOKUP_OPEN;
int rc = 0;
- CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p),file %p,open_flags %x,mode %x opened %d\n",
- dentry->d_name.len, dentry->d_name.name, dir->i_ino,
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%pd,dir=%lu/%u(%p),file %p,open_flags %x,mode %x opened %d\n",
+ dentry, dir->i_ino,
dir->i_generation, dir, file, open_flags, mode, *opened);
it = kzalloc(sizeof(*it), GFP_NOFS);
struct inode *inode;
int rc = 0;
- CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p),intent=%s\n",
- dentry->d_name.len, dentry->d_name.name, dir->i_ino,
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%pd,dir=%lu/%u(%p),intent=%s\n",
+ dentry, dir->i_ino,
dir->i_generation, dir, LL_IT2STR(it));
rc = it_open_error(DISP_OPEN_CREATE, it);
LTIME_S(inode->i_ctime) = body->ctime;
}
-static int ll_new_node(struct inode *dir, struct qstr *name,
+static int ll_new_node(struct inode *dir, struct dentry *dentry,
const char *tgt, int mode, int rdev,
- struct dentry *dchild, __u32 opc)
+ __u32 opc)
{
struct ptlrpc_request *request = NULL;
struct md_op_data *op_data;
if (unlikely(tgt != NULL))
tgt_len = strlen(tgt) + 1;
- op_data = ll_prep_md_op_data(NULL, dir, NULL, name->name,
- name->len, 0, opc, NULL);
+ op_data = ll_prep_md_op_data(NULL, dir, NULL,
+ dentry->d_name.name,
+ dentry->d_name.len,
+ 0, opc, NULL);
if (IS_ERR(op_data)) {
err = PTR_ERR(op_data);
goto err_exit;
ll_update_times(request, dir);
- if (dchild) {
- err = ll_prep_inode(&inode, request, dchild->d_sb, NULL);
- if (err)
- goto err_exit;
+ err = ll_prep_inode(&inode, request, dir->i_sb, NULL);
+ if (err)
+ goto err_exit;
- d_instantiate(dchild, inode);
- }
+ d_instantiate(dentry, inode);
err_exit:
ptlrpc_req_finished(request);
return err;
}
-static int ll_mknod_generic(struct inode *dir, struct qstr *name, int mode,
- unsigned rdev, struct dentry *dchild)
+static int ll_mknod(struct inode *dir, struct dentry *dchild,
+ umode_t mode, dev_t rdev)
{
int err;
- CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p) mode %o dev %x\n",
- name->len, name->name, dir->i_ino, dir->i_generation, dir,
- mode, rdev);
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%pd,dir=%lu/%u(%p) mode %o dev %x\n",
+ dchild, dir->i_ino, dir->i_generation, dir,
+ mode, old_encode_dev(rdev));
if (!IS_POSIXACL(dir) || !exp_connect_umask(ll_i2mdexp(dir)))
mode &= ~current_umask();
case S_IFBLK:
case S_IFIFO:
case S_IFSOCK:
- err = ll_new_node(dir, name, NULL, mode, rdev, dchild,
+ err = ll_new_node(dir, dchild, NULL, mode,
+ old_encode_dev(rdev),
LUSTRE_OPC_MKNOD);
break;
case S_IFDIR:
{
int rc;
- CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p),flags=%u, excl=%d\n",
- dentry->d_name.len, dentry->d_name.name, dir->i_ino,
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%pd,dir=%lu/%u(%p),flags=%u, excl=%d\n",
+ dentry, dir->i_ino,
dir->i_generation, dir, mode, want_excl);
- rc = ll_mknod_generic(dir, &dentry->d_name, mode, 0, dentry);
+ rc = ll_mknod(dir, dentry, mode, 0);
ll_stats_ops_tally(ll_i2sbi(dir), LPROC_LL_CREATE, 1);
- CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s, unhashed %d\n",
- dentry->d_name.len, dentry->d_name.name, d_unhashed(dentry));
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%pd, unhashed %d\n",
+ dentry, d_unhashed(dentry));
return rc;
}
-static int ll_symlink_generic(struct inode *dir, struct qstr *name,
- const char *tgt, struct dentry *dchild)
-{
- int err;
-
- CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p),target=%.*s\n",
- name->len, name->name, dir->i_ino, dir->i_generation,
- dir, 3000, tgt);
-
- err = ll_new_node(dir, name, (char *)tgt, S_IFLNK | S_IRWXUGO,
- 0, dchild, LUSTRE_OPC_SYMLINK);
-
- if (!err)
- ll_stats_ops_tally(ll_i2sbi(dir), LPROC_LL_SYMLINK, 1);
-
- return err;
-}
-
-static int ll_link_generic(struct inode *src, struct inode *dir,
- struct qstr *name, struct dentry *dchild)
-{
- struct ll_sb_info *sbi = ll_i2sbi(dir);
- struct ptlrpc_request *request = NULL;
- struct md_op_data *op_data;
- int err;
-
- CDEBUG(D_VFSTRACE,
- "VFS Op: inode=%lu/%u(%p), dir=%lu/%u(%p), target=%.*s\n",
- src->i_ino, src->i_generation, src, dir->i_ino,
- dir->i_generation, dir, name->len, name->name);
-
- op_data = ll_prep_md_op_data(NULL, src, dir, name->name, name->len,
- 0, LUSTRE_OPC_ANY, NULL);
- if (IS_ERR(op_data))
- return PTR_ERR(op_data);
-
- err = md_link(sbi->ll_md_exp, op_data, &request);
- ll_finish_md_op_data(op_data);
- if (err)
- goto out;
-
- ll_update_times(request, dir);
- ll_stats_ops_tally(sbi, LPROC_LL_LINK, 1);
-out:
- ptlrpc_req_finished(request);
- return err;
-}
-
-static int ll_mkdir_generic(struct inode *dir, struct qstr *name,
- int mode, struct dentry *dchild)
-
+static inline void ll_get_child_fid(struct dentry *child, struct lu_fid *fid)
{
- int err;
-
- CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p)\n",
- name->len, name->name, dir->i_ino, dir->i_generation, dir);
-
- if (!IS_POSIXACL(dir) || !exp_connect_umask(ll_i2mdexp(dir)))
- mode &= ~current_umask();
- mode = (mode & (S_IRWXUGO|S_ISVTX)) | S_IFDIR;
- err = ll_new_node(dir, name, NULL, mode, 0, dchild, LUSTRE_OPC_MKDIR);
-
- if (!err)
- ll_stats_ops_tally(ll_i2sbi(dir), LPROC_LL_MKDIR, 1);
-
- return err;
-}
-
-/* Try to find the child dentry by its name.
- If found, put the result fid into @fid. */
-static void ll_get_child_fid(struct inode *dir, struct qstr *name,
- struct lu_fid *fid)
-{
- struct dentry *parent, *child;
-
- parent = ll_d_hlist_entry(dir->i_dentry, struct dentry, d_alias);
- child = d_lookup(parent, name);
- if (child) {
- if (child->d_inode)
- *fid = *ll_inode2fid(child->d_inode);
- dput(child);
- }
-}
-
-static int ll_rmdir_generic(struct inode *dir, struct dentry *dparent,
- struct dentry *dchild, struct qstr *name)
-{
- struct ptlrpc_request *request = NULL;
- struct md_op_data *op_data;
- int rc;
-
- CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p)\n",
- name->len, name->name, dir->i_ino, dir->i_generation, dir);
-
- if (unlikely(ll_d_mountpoint(dparent, dchild, name)))
- return -EBUSY;
-
- op_data = ll_prep_md_op_data(NULL, dir, NULL, name->name, name->len,
- S_IFDIR, LUSTRE_OPC_ANY, NULL);
- if (IS_ERR(op_data))
- return PTR_ERR(op_data);
-
- ll_get_child_fid(dir, name, &op_data->op_fid3);
- op_data->op_fid2 = op_data->op_fid3;
- rc = md_unlink(ll_i2sbi(dir)->ll_md_exp, op_data, &request);
- ll_finish_md_op_data(op_data);
- if (rc == 0) {
- ll_update_times(request, dir);
- ll_stats_ops_tally(ll_i2sbi(dir), LPROC_LL_RMDIR, 1);
- }
-
- ptlrpc_req_finished(request);
- return rc;
+ if (child->d_inode)
+ *fid = *ll_inode2fid(child->d_inode);
}
/**
return rc;
}
-/* ll_unlink_generic() doesn't update the inode with the new link count.
+/* ll_unlink() doesn't update the inode with the new link count.
* Instead, ll_ddelete() and ll_d_iput() will update it based upon if there
* is any lock existing. They will recycle dentries and inodes based upon locks
* too. b=20433 */
-static int ll_unlink_generic(struct inode *dir, struct dentry *dparent,
- struct dentry *dchild, struct qstr *name)
+static int ll_unlink(struct inode * dir, struct dentry *dentry)
{
struct ptlrpc_request *request = NULL;
struct md_op_data *op_data;
int rc;
- CDEBUG(D_VFSTRACE, "VFS Op:name=%.*s,dir=%lu/%u(%p)\n",
- name->len, name->name, dir->i_ino, dir->i_generation, dir);
-
- /*
- * XXX: unlink bind mountpoint maybe call to here,
- * just check it as vfs_unlink does.
- */
- if (unlikely(ll_d_mountpoint(dparent, dchild, name)))
- return -EBUSY;
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%pd,dir=%lu/%u(%p)\n",
+ dentry, dir->i_ino, dir->i_generation, dir);
- op_data = ll_prep_md_op_data(NULL, dir, NULL, name->name,
- name->len, 0, LUSTRE_OPC_ANY, NULL);
+ op_data = ll_prep_md_op_data(NULL, dir, NULL,
+ dentry->d_name.name,
+ dentry->d_name.len,
+ 0, LUSTRE_OPC_ANY, NULL);
if (IS_ERR(op_data))
return PTR_ERR(op_data);
- ll_get_child_fid(dir, name, &op_data->op_fid3);
+ ll_get_child_fid(dentry, &op_data->op_fid3);
op_data->op_fid2 = op_data->op_fid3;
rc = md_unlink(ll_i2sbi(dir)->ll_md_exp, op_data, &request);
ll_finish_md_op_data(op_data);
return rc;
}
-static int ll_rename_generic(struct inode *src, struct dentry *src_dparent,
- struct dentry *src_dchild, struct qstr *src_name,
- struct inode *tgt, struct dentry *tgt_dparent,
- struct dentry *tgt_dchild, struct qstr *tgt_name)
+static int ll_mkdir(struct inode *dir, struct dentry *dentry, ll_umode_t mode)
{
- struct ptlrpc_request *request = NULL;
- struct ll_sb_info *sbi = ll_i2sbi(src);
- struct md_op_data *op_data;
int err;
- CDEBUG(D_VFSTRACE,
- "VFS Op:oldname=%.*s,src_dir=%lu/%u(%p),newname=%.*s,tgt_dir=%lu/%u(%p)\n",
- src_name->len, src_name->name,
- src->i_ino, src->i_generation, src, tgt_name->len,
- tgt_name->name, tgt->i_ino, tgt->i_generation, tgt);
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%pd,dir=%lu/%u(%p)\n",
+ dentry, dir->i_ino, dir->i_generation, dir);
- if (unlikely(ll_d_mountpoint(src_dparent, src_dchild, src_name) ||
- ll_d_mountpoint(tgt_dparent, tgt_dchild, tgt_name)))
- return -EBUSY;
+ if (!IS_POSIXACL(dir) || !exp_connect_umask(ll_i2mdexp(dir)))
+ mode &= ~current_umask();
+ mode = (mode & (S_IRWXUGO|S_ISVTX)) | S_IFDIR;
+ err = ll_new_node(dir, dentry, NULL, mode, 0, LUSTRE_OPC_MKDIR);
- op_data = ll_prep_md_op_data(NULL, src, tgt, NULL, 0, 0,
- LUSTRE_OPC_ANY, NULL);
+ if (!err)
+ ll_stats_ops_tally(ll_i2sbi(dir), LPROC_LL_MKDIR, 1);
+
+ return err;
+}
+
+static int ll_rmdir(struct inode *dir, struct dentry *dentry)
+{
+ struct ptlrpc_request *request = NULL;
+ struct md_op_data *op_data;
+ int rc;
+
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%pd,dir=%lu/%u(%p)\n",
+ dentry, dir->i_ino, dir->i_generation, dir);
+
+ op_data = ll_prep_md_op_data(NULL, dir, NULL,
+ dentry->d_name.name,
+ dentry->d_name.len,
+ S_IFDIR, LUSTRE_OPC_ANY, NULL);
if (IS_ERR(op_data))
return PTR_ERR(op_data);
- ll_get_child_fid(src, src_name, &op_data->op_fid3);
- ll_get_child_fid(tgt, tgt_name, &op_data->op_fid4);
- err = md_rename(sbi->ll_md_exp, op_data,
- src_name->name, src_name->len,
- tgt_name->name, tgt_name->len, &request);
+ ll_get_child_fid(dentry, &op_data->op_fid3);
+ op_data->op_fid2 = op_data->op_fid3;
+ rc = md_unlink(ll_i2sbi(dir)->ll_md_exp, op_data, &request);
ll_finish_md_op_data(op_data);
- if (!err) {
- ll_update_times(request, src);
- ll_update_times(request, tgt);
- ll_stats_ops_tally(sbi, LPROC_LL_RENAME, 1);
- err = ll_objects_destroy(request, src);
+ if (rc == 0) {
+ ll_update_times(request, dir);
+ ll_stats_ops_tally(ll_i2sbi(dir), LPROC_LL_RMDIR, 1);
}
ptlrpc_req_finished(request);
-
- return err;
+ return rc;
}
-static int ll_mknod(struct inode *dir, struct dentry *dchild, ll_umode_t mode,
- dev_t rdev)
+static int ll_symlink(struct inode *dir, struct dentry *dentry,
+ const char *oldname)
{
- return ll_mknod_generic(dir, &dchild->d_name, mode,
- old_encode_dev(rdev), dchild);
-}
+ int err;
-static int ll_unlink(struct inode *dir, struct dentry *dentry)
-{
- return ll_unlink_generic(dir, NULL, dentry, &dentry->d_name);
-}
+ CDEBUG(D_VFSTRACE, "VFS Op:name=%pd,dir=%lu/%u(%p),target=%.*s\n",
+ dentry, dir->i_ino, dir->i_generation,
+ dir, 3000, oldname);
-static int ll_mkdir(struct inode *dir, struct dentry *dentry, ll_umode_t mode)
-{
- return ll_mkdir_generic(dir, &dentry->d_name, mode, dentry);
-}
+ err = ll_new_node(dir, dentry, oldname, S_IFLNK | S_IRWXUGO,
+ 0, LUSTRE_OPC_SYMLINK);
-static int ll_rmdir(struct inode *dir, struct dentry *dentry)
-{
- return ll_rmdir_generic(dir, NULL, dentry, &dentry->d_name);
-}
+ if (!err)
+ ll_stats_ops_tally(ll_i2sbi(dir), LPROC_LL_SYMLINK, 1);
-static int ll_symlink(struct inode *dir, struct dentry *dentry,
- const char *oldname)
-{
- return ll_symlink_generic(dir, &dentry->d_name, oldname, dentry);
+ return err;
}
static int ll_link(struct dentry *old_dentry, struct inode *dir,
struct dentry *new_dentry)
{
- return ll_link_generic(old_dentry->d_inode, dir, &new_dentry->d_name,
- new_dentry);
+ struct inode *src = old_dentry->d_inode;
+ struct ll_sb_info *sbi = ll_i2sbi(dir);
+ struct ptlrpc_request *request = NULL;
+ struct md_op_data *op_data;
+ int err;
+
+ CDEBUG(D_VFSTRACE,
+ "VFS Op: inode=%lu/%u(%p), dir=%lu/%u(%p), target=%pd\n",
+ src->i_ino, src->i_generation, src, dir->i_ino,
+ dir->i_generation, dir, new_dentry);
+
+ op_data = ll_prep_md_op_data(NULL, src, dir, new_dentry->d_name.name,
+ new_dentry->d_name.len,
+ 0, LUSTRE_OPC_ANY, NULL);
+ if (IS_ERR(op_data))
+ return PTR_ERR(op_data);
+
+ err = md_link(sbi->ll_md_exp, op_data, &request);
+ ll_finish_md_op_data(op_data);
+ if (err)
+ goto out;
+
+ ll_update_times(request, dir);
+ ll_stats_ops_tally(sbi, LPROC_LL_LINK, 1);
+out:
+ ptlrpc_req_finished(request);
+ return err;
}
static int ll_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry)
{
+ struct ptlrpc_request *request = NULL;
+ struct ll_sb_info *sbi = ll_i2sbi(old_dir);
+ struct md_op_data *op_data;
int err;
- err = ll_rename_generic(old_dir, NULL,
- old_dentry, &old_dentry->d_name,
- new_dir, NULL, new_dentry,
- &new_dentry->d_name);
+
+ CDEBUG(D_VFSTRACE,
+ "VFS Op:oldname=%pd,src_dir=%lu/%u(%p),newname=%pd,"
+ "tgt_dir=%lu/%u(%p)\n", old_dentry,
+ old_dir->i_ino, old_dir->i_generation, old_dir, new_dentry,
+ new_dir->i_ino, new_dir->i_generation, new_dir);
+
+ op_data = ll_prep_md_op_data(NULL, old_dir, new_dir, NULL, 0, 0,
+ LUSTRE_OPC_ANY, NULL);
+ if (IS_ERR(op_data))
+ return PTR_ERR(op_data);
+
+ ll_get_child_fid(old_dentry, &op_data->op_fid3);
+ ll_get_child_fid(new_dentry, &op_data->op_fid4);
+ err = md_rename(sbi->ll_md_exp, op_data,
+ old_dentry->d_name.name,
+ old_dentry->d_name.len,
+ new_dentry->d_name.name,
+ new_dentry->d_name.len, &request);
+ ll_finish_md_op_data(op_data);
if (!err) {
- d_move(old_dentry, new_dentry);
+ ll_update_times(request, old_dir);
+ ll_update_times(request, new_dir);
+ ll_stats_ops_tally(sbi, LPROC_LL_RENAME, 1);
+ err = ll_objects_destroy(request, old_dir);
}
+
+ ptlrpc_req_finished(request);
+ if (!err)
+ d_move(old_dentry, new_dentry);
return err;
}
projects / linux-2.6-microblaze.git / blobdiff