* filesystem anyway. */
u64 next_ino;
- /* List of lookup table entries for files in the staging directory */
- struct list_head staging_list;
-
/* List of inodes in the mounted image */
- struct hlist_head *image_inode_list;
+ struct list_head *image_inode_list;
/* Name and message queue descriptors for message queues between the
* filesystem daemon process and the unmount process. These are used
memset(ctx, 0, sizeof(*ctx));
ctx->unmount_to_daemon_mq = (mqd_t)-1;
ctx->daemon_to_unmount_mq = (mqd_t)-1;
- INIT_LIST_HEAD(&ctx->staging_list);
}
#define WIMFS_CTX(fuse_ctx) ((struct wimfs_context*)(fuse_ctx)->private_data)
fd->f_inode->i_ino, fd->f_inode->i_num_opened_fds,
fd->f_inode->i_num_allocated_fds);
ret = lte_put_fd(fd->f_lte, fd);
- if (ret != 0)
+ if (ret)
return ret;
inode_put_fd(fd->f_inode, fd);
}
}
dentry_add_child(parent, new);
- hlist_add_head(&new->d_inode->i_hlist, wimfs_ctx->image_inode_list);
+ list_add_tail(&new->d_inode->i_list, wimfs_ctx->image_inode_list);
if (dentry_ret)
*dentry_ret = new;
return 0;
lte_decrement_refcnt(lte, lookup_table);
}
unlink_dentry(dentry);
- put_dentry(dentry);
+ free_dentry(dentry);
}
static mode_t
new_lte->staging_file_name = staging_file_name;
new_lte->lte_inode = inode;
- if (stream_id == 0)
- inode->i_lte = new_lte;
- else
- for (u16 i = 0; i < inode->i_num_ads; i++)
- if (inode->i_ads_entries[i].stream_id == stream_id)
- inode->i_ads_entries[i].lte = new_lte;
+ struct wim_lookup_table_entry **my_ptr;
- lookup_table_insert_unhashed(ctx->wim->lookup_table, new_lte);
- list_add_tail(&new_lte->staging_list, &ctx->staging_list);
+ if (stream_id == 0) {
+ my_ptr = &inode->i_lte;
+ } else {
+ for (u16 i = 0; ; i++) {
+ wimlib_assert(i < inode->i_num_ads);
+ if (inode->i_ads_entries[i].stream_id == stream_id) {
+ my_ptr = &inode->i_ads_entries[i].lte;
+ break;
+ }
+ }
+ }
+
+ lookup_table_insert_unhashed(ctx->wim->lookup_table, new_lte, my_ptr);
*lte = new_lte;
return 0;
out_revert_fd_changes:
return ret;
}
-static void
-inode_update_lte_ptr(struct wim_inode *inode,
- struct wim_lookup_table_entry *old_lte,
- struct wim_lookup_table_entry *new_lte)
-{
- if (inode->i_lte == old_lte) {
- inode->i_lte = new_lte;
- } else {
- for (unsigned i = 0; i < inode->i_num_ads; i++) {
- if (inode->i_ads_entries[i].lte == old_lte) {
- inode->i_ads_entries[i].lte = new_lte;
- break;
- }
- }
- }
-}
-
-static void
-free_lte_if_unneeded(struct wim_lookup_table_entry *lte)
-{
-
- if (wim_resource_size(lte) == 0) {
- /* Zero-length stream. No lookup table entry needed. */
- inode_update_lte_ptr(lte->lte_inode, lte, NULL);
- free_lookup_table_entry(lte);
- }
-}
-
static int
inode_close_fds(struct wim_inode *inode)
{
wimlib_progress_func_t progress_func)
{
int ret;
- struct wim_lookup_table_entry *lte, *tmp;
+ struct wim_lookup_table_entry *lte;
WIMStruct *w = ctx->wim;
+ struct wim_image_metadata *imd = wim_get_current_image_metadata(ctx->wim);
DEBUG("Closing all staging file descriptors.");
- list_for_each_entry_safe(lte, tmp, &ctx->staging_list, staging_list) {
+ image_for_each_unhashed_stream(lte, imd) {
ret = inode_close_fds(lte->lte_inode);
- if (ret != 0)
+ if (ret)
return ret;
}
DEBUG("Freeing entries for zero-length streams");
- list_for_each_entry_safe(lte, tmp, &ctx->staging_list, staging_list)
- free_lte_if_unneeded(lte);
+ image_for_each_unhashed_stream(lte, imd) {
+ if (wim_resource_size(lte) == 0) {
+ *lte->my_ptr = NULL;
+ free_lookup_table_entry(lte);
+ }
+ }
xml_update_image_info(w, w->current_image);
- list_splice(&ctx->staging_list,
- &w->image_metadata[w->current_image - 1].unhashed_streams);
ret = wimlib_overwrite(w, write_flags, 0, progress_func);
- if (ret != 0)
+ if (ret)
ERROR("Failed to commit changes to mounted WIM image");
return ret;
}
struct wim_dentry *from_dentry, *from_dentry_parent;
const char *link_name;
struct wim_inode *inode;
- struct wim_lookup_table_entry *lte;
WIMStruct *w = wimfs_get_WIMStruct();
- u16 i;
int ret;
inode = wim_pathname_to_inode(w, to);
if (ret)
return -ENOMEM;
- inode_add_dentry(from_dentry, inode);
- from_dentry->d_inode = inode;
inode->i_nlink++;
-
- for (i = 0; i <= inode->i_num_ads; i++) {
- lte = inode_stream_lte_resolved(inode, i);
- if (lte)
- lte->refcnt++;
- }
+ inode_ref_streams(inode);
+ from_dentry->d_inode = inode;
+ inode_add_dentry(from_dentry, inode);
dentry_add_child(from_dentry_parent, from_dentry);
return 0;
}
struct wim_lookup_table *joined_tab, *wim_tab_save;
struct wim_image_metadata *imd;
struct wimfs_context ctx;
- struct hlist_node *cur_node;
struct wim_inode *inode;
DEBUG("Mount: wim = %p, image = %d, dir = %s, flags = %d, ",
return WIMLIB_ERR_INVALID_PARAM;
ret = verify_swm_set(wim, additional_swms, num_additional_swms);
- if (ret != 0)
+ if (ret)
return ret;
if ((mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) && (wim->hdr.total_parts != 1)) {
ret = new_joined_lookup_table(wim, additional_swms,
num_additional_swms,
&joined_tab);
- if (ret != 0)
+ if (ret)
return ret;
wim_tab_save = wim->lookup_table;
wim->lookup_table = joined_tab;
if (mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) {
ret = wim_run_full_verifications(wim);
- if (ret != 0)
+ if (ret)
goto out;
}
ret = select_wim_image(wim, image);
- if (ret != 0)
+ if (ret)
goto out;
DEBUG("Selected image %d", image);
imd = wim_get_current_image_metadata(wim);
- if (imd->root_dentry->refcnt != 1) {
+ if (imd->refcnt != 1) {
ERROR("Cannot mount image that was just exported with "
"wimlib_export_image()");
ret = WIMLIB_ERR_INVALID_PARAM;
goto out;
}
- if (imd->inode_list.first) /* May be unneeded? */
- imd->inode_list.first->pprev = &imd->inode_list.first;
-
if (imd->modified) {
ERROR("Cannot mount image that was added "
"with wimlib_add_image()");
if (mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) {
ret = lock_wim(wim, wim->fp);
- if (ret != 0)
+ if (ret)
goto out;
}
ctx.image_inode_list = &imd->inode_list;
ctx.default_uid = getuid();
ctx.default_gid = getgid();
+ ctx.wim->lookup_table->unhashed_streams = &imd->unhashed_streams;
if (mount_flags & WIMLIB_MOUNT_FLAG_STREAM_INTERFACE_WINDOWS)
ctx.default_lookup_flags = LOOKUP_FLAG_ADS_OK;
DEBUG("Unlinking message queues in case they already exist");
ret = set_message_queue_names(&ctx, dir);
- if (ret != 0)
+ if (ret)
goto out_unlock;
unlink_message_queues(&ctx);
if ((mount_flags & WIMLIB_MOUNT_FLAG_READWRITE)) {
/* Read-write mount. Make the staging directory */
ret = make_staging_dir(&ctx, staging_dir);
- if (ret != 0)
+ if (ret)
goto out_free_dir_copy;
} else {
/* Read-only mount */
* assign inode numbers */
DEBUG("Resolving lookup table entries and assigning inode numbers");
ctx.next_ino = 1;
- hlist_for_each_entry(inode, cur_node, &imd->inode_list, i_hlist) {
+ image_for_each_inode(inode, imd) {
inode_resolve_ltes(inode, wim->lookup_table);
inode->i_ino = ctx.next_ino++;
}