Lines Matching refs:dentry
47 static void configfs_d_iput(struct dentry * dentry, in configfs_d_iput() argument
50 struct configfs_dirent *sd = dentry->d_fsdata; in configfs_d_iput()
61 if (sd->s_dentry == dentry) in configfs_d_iput()
245 struct dentry * dentry, void * element, in configfs_make_dirent() argument
255 sd->s_dentry = dentry; in configfs_make_dirent()
256 if (dentry) in configfs_make_dirent()
257 dentry->d_fsdata = configfs_get(sd); in configfs_make_dirent()
262 static void configfs_remove_dirent(struct dentry *dentry) in configfs_remove_dirent() argument
264 struct configfs_dirent *sd = dentry->d_fsdata; in configfs_remove_dirent()
283 static int configfs_create_dir(struct config_item *item, struct dentry *dentry, in configfs_create_dir() argument
288 struct dentry *p = dentry->d_parent; in configfs_create_dir()
293 error = configfs_dirent_exists(p->d_fsdata, dentry->d_name.name); in configfs_create_dir()
297 error = configfs_make_dirent(p->d_fsdata, dentry, item, mode, in configfs_create_dir()
303 configfs_set_dir_dirent_depth(p->d_fsdata, dentry->d_fsdata); in configfs_create_dir()
304 inode = configfs_create(dentry, mode); in configfs_create_dir()
312 d_instantiate(dentry, inode); in configfs_create_dir()
314 dget(dentry); /* pin directory dentries in core */ in configfs_create_dir()
316 item->ci_dentry = dentry; in configfs_create_dir()
320 configfs_remove_dirent(dentry); in configfs_create_dir()
362 int configfs_create_link(struct configfs_dirent *target, struct dentry *parent, in configfs_create_link()
363 struct dentry *dentry, char *body) in configfs_create_link() argument
370 err = configfs_make_dirent(p, dentry, target, mode, CONFIGFS_ITEM_LINK, in configfs_create_link()
375 inode = configfs_create(dentry, mode); in configfs_create_link()
381 d_instantiate(dentry, inode); in configfs_create_link()
382 dget(dentry); /* pin link dentries in core */ in configfs_create_link()
386 configfs_remove_dirent(dentry); in configfs_create_link()
390 static void remove_dir(struct dentry * d) in remove_dir()
392 struct dentry * parent = dget(d->d_parent); in remove_dir()
417 struct dentry * dentry = dget(item->ci_dentry); in configfs_remove_dir() local
419 if (!dentry) in configfs_remove_dir()
422 remove_dir(dentry); in configfs_remove_dir()
426 dput(dentry); in configfs_remove_dir()
433 static int configfs_attach_attr(struct configfs_dirent * sd, struct dentry * dentry) in configfs_attach_attr() argument
439 dentry->d_fsdata = configfs_get(sd); in configfs_attach_attr()
440 sd->s_dentry = dentry; in configfs_attach_attr()
443 inode = configfs_create(dentry, (attr->ca_mode & S_IALLUGO) | S_IFREG); in configfs_attach_attr()
455 d_add(dentry, inode); in configfs_attach_attr()
459 static struct dentry * configfs_lookup(struct inode *dir, in configfs_lookup()
460 struct dentry *dentry, in configfs_lookup() argument
463 struct configfs_dirent * parent_sd = dentry->d_parent->d_fsdata; in configfs_lookup()
484 if (strcmp(name, dentry->d_name.name)) in configfs_lookup()
488 err = configfs_attach_attr(sd, dentry); in configfs_lookup()
498 if (dentry->d_name.len > NAME_MAX) in configfs_lookup()
500 d_add(dentry, NULL); in configfs_lookup()
516 static int configfs_detach_prep(struct dentry *dentry, struct dentry **wait) in configfs_detach_prep() argument
518 struct configfs_dirent *parent_sd = dentry->d_fsdata; in configfs_detach_prep()
563 static void configfs_detach_rollback(struct dentry *dentry) in configfs_detach_rollback() argument
565 struct configfs_dirent *parent_sd = dentry->d_fsdata; in configfs_detach_rollback()
577 struct dentry * dentry = dget(item->ci_dentry); in detach_attrs() local
581 if (!dentry) in detach_attrs()
585 dentry->d_name.name); in detach_attrs()
587 parent_sd = dentry->d_fsdata; in detach_attrs()
594 configfs_drop_dentry(sd, dentry); in detach_attrs()
601 dput(dentry); in detach_attrs()
636 struct dentry *dentry,
642 struct dentry * dentry = dget(group->cg_item.ci_dentry); in detach_groups() local
643 struct dentry *child; in detach_groups()
647 if (!dentry) in detach_groups()
650 parent_sd = dentry->d_fsdata; in detach_groups()
673 dput(dentry); in detach_groups()
691 struct dentry *child, *parent = parent_group->cg_item.ci_dentry; in create_default_group()
837 struct dentry *dentry, in configfs_attach_item() argument
842 ret = configfs_create_dir(item, dentry, frag); in configfs_attach_item()
851 inode_lock(d_inode(dentry)); in configfs_attach_item()
853 d_inode(dentry)->i_flags |= S_DEAD; in configfs_attach_item()
854 dont_mount(dentry); in configfs_attach_item()
855 inode_unlock(d_inode(dentry)); in configfs_attach_item()
856 d_delete(dentry); in configfs_attach_item()
872 struct dentry *dentry, in configfs_attach_group() argument
878 ret = configfs_attach_item(parent_item, item, dentry, frag); in configfs_attach_group()
880 sd = dentry->d_fsdata; in configfs_attach_group()
892 inode_lock_nested(d_inode(dentry), I_MUTEX_CHILD); in configfs_attach_group()
897 d_inode(dentry)->i_flags |= S_DEAD; in configfs_attach_group()
898 dont_mount(dentry); in configfs_attach_group()
901 inode_unlock(d_inode(dentry)); in configfs_attach_group()
903 d_delete(dentry); in configfs_attach_group()
1058 static int configfs_depend_prep(struct dentry *origin, in configfs_depend_prep()
1088 static int configfs_do_depend_item(struct dentry *subsys_dentry, in configfs_do_depend_item()
1138 struct dentry *root; in configfs_depend_item()
1278 static int configfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) in configfs_mkdir() argument
1292 sd = dentry->d_parent->d_fsdata; in configfs_mkdir()
1315 parent_item = configfs_get_config_item(dentry->d_parent); in configfs_mkdir()
1342 name = kmalloc(dentry->d_name.len + 1, GFP_KERNEL); in configfs_mkdir()
1348 snprintf(name, dentry->d_name.len + 1, "%s", dentry->d_name.name); in configfs_mkdir()
1416 ret = configfs_attach_group(parent_item, item, dentry, frag); in configfs_mkdir()
1418 ret = configfs_attach_item(parent_item, item, dentry, frag); in configfs_mkdir()
1428 struct inode *inode = d_inode(dentry); in configfs_mkdir()
1432 configfs_setattr(dentry, &ia); in configfs_mkdir()
1438 configfs_dir_set_ready(dentry->d_fsdata); in configfs_mkdir()
1476 static int configfs_rmdir(struct inode *dir, struct dentry *dentry) in configfs_rmdir() argument
1486 sd = dentry->d_fsdata; in configfs_rmdir()
1491 parent_item = configfs_get_config_item(dentry->d_parent); in configfs_rmdir()
1509 struct dentry *wait; in configfs_rmdir()
1520 ret = configfs_detach_prep(dentry, &wait); in configfs_rmdir()
1522 configfs_detach_rollback(dentry); in configfs_rmdir()
1543 configfs_detach_rollback(dentry); in configfs_rmdir()
1552 item = configfs_get_config_item(dentry); in configfs_rmdir()
1602 struct dentry * dentry = file->f_path.dentry; in configfs_dir_open() local
1603 struct configfs_dirent * parent_sd = dentry->d_fsdata; in configfs_dir_open()
1606 inode_lock(d_inode(dentry)); in configfs_dir_open()
1619 inode_unlock(d_inode(dentry)); in configfs_dir_open()
1626 struct dentry * dentry = file->f_path.dentry; in configfs_dir_close() local
1629 inode_lock(d_inode(dentry)); in configfs_dir_close()
1633 inode_unlock(d_inode(dentry)); in configfs_dir_close()
1648 struct dentry *dentry = file->f_path.dentry; in configfs_readdir() local
1649 struct super_block *sb = dentry->d_sb; in configfs_readdir()
1650 struct configfs_dirent * parent_sd = dentry->d_fsdata; in configfs_readdir()
1683 dentry = next->s_dentry; in configfs_readdir()
1684 if (dentry) in configfs_readdir()
1685 inode = d_inode(dentry); in configfs_readdir()
1709 struct dentry * dentry = file->f_path.dentry; in configfs_dir_lseek() local
1725 struct configfs_dirent *sd = dentry->d_fsdata; in configfs_dir_lseek()
1770 struct dentry *parent; in configfs_register_group()
1814 struct dentry *dentry = group->cg_item.ci_dentry; in configfs_unregister_group() local
1815 struct dentry *parent = group->cg_item.ci_parent->ci_dentry; in configfs_unregister_group()
1816 struct configfs_dirent *sd = dentry->d_fsdata; in configfs_unregister_group()
1825 configfs_detach_prep(dentry, NULL); in configfs_unregister_group()
1829 d_inode(dentry)->i_flags |= S_DEAD; in configfs_unregister_group()
1830 dont_mount(dentry); in configfs_unregister_group()
1831 d_drop(dentry); in configfs_unregister_group()
1832 fsnotify_rmdir(d_inode(parent), dentry); in configfs_unregister_group()
1835 dput(dentry); in configfs_unregister_group()
1891 struct dentry *dentry; in configfs_register_subsystem() local
1892 struct dentry *root; in configfs_register_subsystem()
1917 dentry = d_alloc_name(root, group->cg_item.ci_name); in configfs_register_subsystem()
1918 if (dentry) { in configfs_register_subsystem()
1919 d_add(dentry, NULL); in configfs_register_subsystem()
1922 dentry, frag); in configfs_register_subsystem()
1924 BUG_ON(d_inode(dentry)); in configfs_register_subsystem()
1925 d_drop(dentry); in configfs_register_subsystem()
1926 dput(dentry); in configfs_register_subsystem()
1929 configfs_dir_set_ready(dentry->d_fsdata); in configfs_register_subsystem()
1950 struct dentry *dentry = group->cg_item.ci_dentry; in configfs_unregister_subsystem() local
1951 struct dentry *root = dentry->d_sb->s_root; in configfs_unregister_subsystem()
1952 struct configfs_dirent *sd = dentry->d_fsdata; in configfs_unregister_subsystem()
1955 if (dentry->d_parent != root) { in configfs_unregister_subsystem()
1966 inode_lock_nested(d_inode(dentry), I_MUTEX_CHILD); in configfs_unregister_subsystem()
1969 if (configfs_detach_prep(dentry, NULL)) { in configfs_unregister_subsystem()
1975 d_inode(dentry)->i_flags |= S_DEAD; in configfs_unregister_subsystem()
1976 dont_mount(dentry); in configfs_unregister_subsystem()
1977 inode_unlock(d_inode(dentry)); in configfs_unregister_subsystem()
1979 d_drop(dentry); in configfs_unregister_subsystem()
1980 fsnotify_rmdir(d_inode(root), dentry); in configfs_unregister_subsystem()
1984 dput(dentry); in configfs_unregister_subsystem()