X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=src%2Fmount_image.c;h=ac914618cd5166fe8851545998fad613ccf113da;hb=4eb18e0c42c31de268f428c355f7a661f614a80f;hp=4c0c93e50126553f449f98806c6ca67951427e60;hpb=ac6edfd02c612da68a1b9a1b32ae64c95a87fbb1;p=wimlib diff --git a/src/mount_image.c b/src/mount_image.c index 4c0c93e5..ac914618 100644 --- a/src/mount_image.c +++ b/src/mount_image.c @@ -26,7 +26,12 @@ * along with wimlib; if not, see http://www.gnu.org/licenses/. */ -#include "wimlib_internal.h" +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "wimlib.h" +#include "wimlib/error.h" #ifdef WITH_FUSE @@ -34,11 +39,18 @@ # error "FUSE mount not supported on Win32! Please configure --without-fuse" #endif -#include "buffer_io.h" -#include "lookup_table.h" -#include "sha1.h" -#include "timestamp.h" -#include "xml.h" +#include "wimlib/encoding.h" +#include "wimlib/file_io.h" +#include "wimlib/lookup_table.h" +#include "wimlib/metadata.h" +#include "wimlib/paths.h" +#include "wimlib/reparse.h" +#include "wimlib/resource.h" +#include "wimlib/swm.h" +#include "wimlib/timestamp.h" +#include "wimlib/version.h" +#include "wimlib/write.h" +#include "wimlib/xml.h" #include #include @@ -130,13 +142,13 @@ init_wimfs_context(struct wimfs_context *ctx) #define WIMFS_CTX(fuse_ctx) ((struct wimfs_context*)(fuse_ctx)->private_data) static inline struct wimfs_context * -wimfs_get_context() +wimfs_get_context(void) { return WIMFS_CTX(fuse_get_context()); } static inline WIMStruct * -wimfs_get_WIMStruct() +wimfs_get_WIMStruct(void) { return wimfs_get_context()->wim; } @@ -182,8 +194,6 @@ alloc_wimfs_fd(struct wim_inode *inode, static const u16 max_fds = 0xffff; int ret; - pthread_mutex_lock(&inode->i_mutex); - DEBUG("Allocating fd for stream ID %u from inode %#"PRIx64" " "(open = %u, allocated = %u)", stream_id, inode->i_ino, inode->i_num_opened_fds, @@ -235,7 +245,6 @@ alloc_wimfs_fd(struct wim_inode *inode, } } out: - pthread_mutex_unlock(&inode->i_mutex); return ret; } @@ -243,9 +252,6 @@ static void inode_put_fd(struct wim_inode *inode, struct wimfs_fd *fd) { wimlib_assert(inode != NULL); - - pthread_mutex_lock(&inode->i_mutex); - wimlib_assert(fd->f_inode == inode); wimlib_assert(inode->i_num_opened_fds != 0); wimlib_assert(fd->idx < inode->i_num_allocated_fds); @@ -253,11 +259,12 @@ inode_put_fd(struct wim_inode *inode, struct wimfs_fd *fd) inode->i_fds[fd->idx] = NULL; FREE(fd); - if (--inode->i_num_opened_fds == 0 && inode->i_nlink == 0) { - pthread_mutex_unlock(&inode->i_mutex); - free_inode(inode); - } else { - pthread_mutex_unlock(&inode->i_mutex); + if (--inode->i_num_opened_fds == 0) { + FREE(inode->i_fds); + inode->i_fds = NULL; + inode->i_num_allocated_fds = 0; + if (inode->i_nlink == 0) + free_inode(inode); } } @@ -1034,29 +1041,29 @@ struct unmount_msg_hdr { u32 cur_version; u32 msg_type; u32 msg_size; -} PACKED; +} _packed_attribute; struct msg_unmount_request { struct unmount_msg_hdr hdr; u32 unmount_flags; u8 want_progress_messages; -} PACKED; +} _packed_attribute; struct msg_daemon_info { struct unmount_msg_hdr hdr; pid_t daemon_pid; u32 mount_flags; -} PACKED; +} _packed_attribute; struct msg_unmount_finished { struct unmount_msg_hdr hdr; - int32_t status; -} PACKED; + s32 status; +} _packed_attribute; struct msg_write_streams_progress { struct unmount_msg_hdr hdr; union wimlib_progress_info info; -} PACKED; +} _packed_attribute; enum { MSG_TYPE_UNMOUNT_REQUEST, @@ -1432,7 +1439,7 @@ message_loop(mqd_t mq, * daemon to finish writing the WIM file. */ static int -execute_fusermount(const char *dir) +execute_fusermount(const char *dir, bool lazy) { pid_t pid; int ret; @@ -1445,7 +1452,15 @@ execute_fusermount(const char *dir) } if (pid == 0) { /* Child */ - execlp("fusermount", "fusermount", "-u", dir, NULL); + char *argv[10]; + char **argp = argv; + *argp++ = "fusermount"; + if (lazy) + *argp++ = "-z"; + *argp++ = "-u"; + *argp++ = (char*)dir; + *argp = NULL; + execvp("fusermount", argv); ERROR_WITH_ERRNO("Failed to execute `fusermount'"); exit(WIMLIB_ERR_FUSERMOUNT); } @@ -1483,7 +1498,14 @@ execute_fusermount(const char *dir) } if (pid == 0) { /* Child */ - execlp("umount", "umount", dir, NULL); + char *argv[10]; + char **argp = argv; + *argp++ = "umount"; + if (lazy) + *argp++ = "-l"; + *argp++ = (char*)dir; + *argp = NULL; + execvp("umount", argv); ERROR_WITH_ERRNO("Failed to execute `umount'"); exit(WIMLIB_ERR_FUSERMOUNT); } @@ -2364,7 +2386,6 @@ wimlib_mount_image(WIMStruct *wim, int image, const char *dir, char *argv[16]; int ret; char *dir_copy; - struct wim_lookup_table *joined_tab, *wim_tab_save; struct wim_image_metadata *imd; struct wimfs_context ctx; struct wim_inode *inode; @@ -2381,31 +2402,14 @@ wimlib_mount_image(WIMStruct *wim, int image, const char *dir, if (ret) goto out; - if ((mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) && (wim->hdr.total_parts != 1)) { - ERROR("Cannot mount a split WIM read-write"); - ret = WIMLIB_ERR_SPLIT_UNSUPPORTED; - goto out; - } - - if (num_additional_swms) { - ret = new_joined_lookup_table(wim, additional_swms, - num_additional_swms, - &joined_tab); - if (ret) - goto out; - wim_tab_save = wim->lookup_table; - wim->lookup_table = joined_tab; - } - if (mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) { - ret = wim_run_full_verifications(wim); + ret = can_delete_from_wim(wim); if (ret) - goto out_restore_lookup_table; + goto out; } - ret = wim_checksum_unhashed_streams(wim); - if (ret) - goto out_restore_lookup_table; + if (num_additional_swms) + merge_lookup_tables(wim, additional_swms, num_additional_swms); ret = select_wim_image(wim, image); if (ret) @@ -2466,12 +2470,11 @@ wimlib_mount_image(WIMStruct *wim, int image, const char *dir, goto out_free_message_queue_names; argc = 0; - argv[argc++] = "imagex"; + argv[argc++] = IMAGEX_PROGNAME; argv[argc++] = dir_copy; - /* disable multi-threaded operation for read-write mounts */ - if (mount_flags & WIMLIB_MOUNT_FLAG_READWRITE) - argv[argc++] = "-s"; + /* disable multi-threaded operation */ + argv[argc++] = "-s"; if (mount_flags & WIMLIB_MOUNT_FLAG_DEBUG) argv[argc++] = "-d"; @@ -2524,10 +2527,8 @@ wimlib_mount_image(WIMStruct *wim, int image, const char *dir, * assign inode numbers */ DEBUG("Resolving lookup table entries and assigning inode numbers"); ctx.next_ino = 1; - image_for_each_inode(inode, imd) { - inode_resolve_ltes(inode, wim->lookup_table); + image_for_each_inode(inode, imd) inode->i_ino = ctx.next_ino++; - } DEBUG("(next_ino = %"PRIu64")", ctx.next_ino); DEBUG("Calling fuse_main()"); @@ -2560,10 +2561,8 @@ out_unlock: out_free_message_queue_names: free_message_queue_names(&ctx); out_restore_lookup_table: - if (num_additional_swms) { - free_lookup_table(wim->lookup_table); - wim->lookup_table = wim_tab_save; - } + if (num_additional_swms) + unmerge_lookup_table(wim); out: return ret; } @@ -2595,7 +2594,7 @@ wimlib_unmount_image(const char *dir, int unmount_flags, if (ret != 0) goto out_close_message_queues; - ret = execute_fusermount(dir); + ret = execute_fusermount(dir, (unmount_flags & WIMLIB_UNMOUNT_FLAG_LAZY) != 0); if (ret != 0) goto out_close_message_queues; @@ -2624,7 +2623,7 @@ out: static int -mount_unsupported_error() +mount_unsupported_error(void) { #if defined(__WIN32__) ERROR("Sorry-- Mounting WIM images is not supported on Windows!");