case ORANGEFS_VFS_OP_TRUNCATE:
fsid = op->upcall.req.truncate.refn.fs_id;
break;
- case ORANGEFS_VFS_OP_MMAP_RA_FLUSH:
+ case ORANGEFS_VFS_OP_RA_FLUSH:
fsid = op->upcall.req.ra_cache_flush.refn.fs_id;
break;
case ORANGEFS_VFS_OP_FS_UMOUNT:
inode->i_mode = type | (is_root_handle(inode) ? S_ISVTX : 0) |
orangefs_inode_perms(&new_op->downcall.resp.getattr.attributes);
- orangefs_inode->getattr_time = jiffies + getattr_timeout_msecs*HZ/1000;
+ orangefs_inode->getattr_time = jiffies +
+ orangefs_getattr_timeout_msecs*HZ/1000;
ret = 0;
out:
op_release(new_op);
return ret;
}
#undef NUM_MODES
-
-/*
- * After obtaining a string representation of the client's debug
- * keywords and their associated masks, this function is called to build an
- * array of these values.
- */
-int orangefs_prepare_cdm_array(char *debug_array_string)
-{
- int i;
- int rc = -EINVAL;
- char *cds_head = NULL;
- char *cds_delimiter = NULL;
- int keyword_len = 0;
-
- gossip_debug(GOSSIP_UTILS_DEBUG, "%s: start\n", __func__);
-
- /*
- * figure out how many elements the cdm_array needs.
- */
- for (i = 0; i < strlen(debug_array_string); i++)
- if (debug_array_string[i] == '\n')
- cdm_element_count++;
-
- if (!cdm_element_count) {
- pr_info("No elements in client debug array string!\n");
- goto out;
- }
-
- cdm_array =
- kzalloc(cdm_element_count * sizeof(struct client_debug_mask),
- GFP_KERNEL);
- if (!cdm_array) {
- pr_info("malloc failed for cdm_array!\n");
- rc = -ENOMEM;
- goto out;
- }
-
- cds_head = debug_array_string;
-
- for (i = 0; i < cdm_element_count; i++) {
- cds_delimiter = strchr(cds_head, '\n');
- *cds_delimiter = '\0';
-
- keyword_len = strcspn(cds_head, " ");
-
- cdm_array[i].keyword = kzalloc(keyword_len + 1, GFP_KERNEL);
- if (!cdm_array[i].keyword) {
- rc = -ENOMEM;
- goto out;
- }
-
- sscanf(cds_head,
- "%s %llx %llx",
- cdm_array[i].keyword,
- (unsigned long long *)&(cdm_array[i].mask1),
- (unsigned long long *)&(cdm_array[i].mask2));
-
- if (!strcmp(cdm_array[i].keyword, ORANGEFS_VERBOSE))
- client_verbose_index = i;
-
- if (!strcmp(cdm_array[i].keyword, ORANGEFS_ALL))
- client_all_index = i;
-
- cds_head = cds_delimiter + 1;
- }
-
- rc = cdm_element_count;
-
- gossip_debug(GOSSIP_UTILS_DEBUG, "%s: rc:%d:\n", __func__, rc);
-
-out:
-
- return rc;
-
-}
-
-/*
- * /sys/kernel/debug/orangefs/debug-help can be catted to
- * see all the available kernel and client debug keywords.
- *
- * When the kernel boots, we have no idea what keywords the
- * client supports, nor their associated masks.
- *
- * We pass through this function once at boot and stamp a
- * boilerplate "we don't know" message for the client in the
- * debug-help file. We pass through here again when the client
- * starts and then we can fill out the debug-help file fully.
- *
- * The client might be restarted any number of times between
- * reboots, we only build the debug-help file the first time.
- */
-int orangefs_prepare_debugfs_help_string(int at_boot)
-{
- int rc = -EINVAL;
- int i;
- int byte_count = 0;
- char *client_title = "Client Debug Keywords:\n";
- char *kernel_title = "Kernel Debug Keywords:\n";
-
- gossip_debug(GOSSIP_UTILS_DEBUG, "%s: start\n", __func__);
-
- if (at_boot) {
- byte_count += strlen(HELP_STRING_UNINITIALIZED);
- client_title = HELP_STRING_UNINITIALIZED;
- } else {
- /*
- * fill the client keyword/mask array and remember
- * how many elements there were.
- */
- cdm_element_count =
- orangefs_prepare_cdm_array(client_debug_array_string);
- if (cdm_element_count <= 0)
- goto out;
-
- /* Count the bytes destined for debug_help_string. */
- byte_count += strlen(client_title);
-
- for (i = 0; i < cdm_element_count; i++) {
- byte_count += strlen(cdm_array[i].keyword + 2);
- if (byte_count >= DEBUG_HELP_STRING_SIZE) {
- pr_info("%s: overflow 1!\n", __func__);
- goto out;
- }
- }
-
- gossip_debug(GOSSIP_UTILS_DEBUG,
- "%s: cdm_element_count:%d:\n",
- __func__,
- cdm_element_count);
- }
-
- byte_count += strlen(kernel_title);
- for (i = 0; i < num_kmod_keyword_mask_map; i++) {
- byte_count +=
- strlen(s_kmod_keyword_mask_map[i].keyword + 2);
- if (byte_count >= DEBUG_HELP_STRING_SIZE) {
- pr_info("%s: overflow 2!\n", __func__);
- goto out;
- }
- }
-
- /* build debug_help_string. */
- debug_help_string = kzalloc(DEBUG_HELP_STRING_SIZE, GFP_KERNEL);
- if (!debug_help_string) {
- rc = -ENOMEM;
- goto out;
- }
-
- strcat(debug_help_string, client_title);
-
- if (!at_boot) {
- for (i = 0; i < cdm_element_count; i++) {
- strcat(debug_help_string, "\t");
- strcat(debug_help_string, cdm_array[i].keyword);
- strcat(debug_help_string, "\n");
- }
- }
-
- strcat(debug_help_string, "\n");
- strcat(debug_help_string, kernel_title);
-
- for (i = 0; i < num_kmod_keyword_mask_map; i++) {
- strcat(debug_help_string, "\t");
- strcat(debug_help_string, s_kmod_keyword_mask_map[i].keyword);
- strcat(debug_help_string, "\n");
- }
-
- rc = 0;
-
-out:
-
- return rc;
-
-}
-
-/*
- * kernel = type 0
- * client = type 1
- */
-void debug_mask_to_string(void *mask, int type)
-{
- int i;
- int len = 0;
- char *debug_string;
- int element_count = 0;
-
- gossip_debug(GOSSIP_UTILS_DEBUG, "%s: start\n", __func__);
-
- if (type) {
- debug_string = client_debug_string;
- element_count = cdm_element_count;
- } else {
- debug_string = kernel_debug_string;
- element_count = num_kmod_keyword_mask_map;
- }
-
- memset(debug_string, 0, ORANGEFS_MAX_DEBUG_STRING_LEN);
-
- /*
- * Some keywords, like "all" or "verbose", are amalgams of
- * numerous other keywords. Make a special check for those
- * before grinding through the whole mask only to find out
- * later...
- */
- if (check_amalgam_keyword(mask, type))
- goto out;
-
- /* Build the debug string. */
- for (i = 0; i < element_count; i++)
- if (type)
- do_c_string(mask, i);
- else
- do_k_string(mask, i);
-
- len = strlen(debug_string);
-
- if ((len) && (type))
- client_debug_string[len - 1] = '\0';
- else if (len)
- kernel_debug_string[len - 1] = '\0';
- else if (type)
- strcpy(client_debug_string, "none");
- else
- strcpy(kernel_debug_string, "none");
-
-out:
-gossip_debug(GOSSIP_UTILS_DEBUG, "%s: string:%s:\n", __func__, debug_string);
-
- return;
-
-}
-
-void do_k_string(void *k_mask, int index)
-{
- __u64 *mask = (__u64 *) k_mask;
-
- if (keyword_is_amalgam((char *) s_kmod_keyword_mask_map[index].keyword))
- goto out;
-
- if (*mask & s_kmod_keyword_mask_map[index].mask_val) {
- if ((strlen(kernel_debug_string) +
- strlen(s_kmod_keyword_mask_map[index].keyword))
- < ORANGEFS_MAX_DEBUG_STRING_LEN - 1) {
- strcat(kernel_debug_string,
- s_kmod_keyword_mask_map[index].keyword);
- strcat(kernel_debug_string, ",");
- } else {
- gossip_err("%s: overflow!\n", __func__);
- strcpy(kernel_debug_string, ORANGEFS_ALL);
- goto out;
- }
- }
-
-out:
-
- return;
-}
-
-void do_c_string(void *c_mask, int index)
-{
- struct client_debug_mask *mask = (struct client_debug_mask *) c_mask;
-
- if (keyword_is_amalgam(cdm_array[index].keyword))
- goto out;
-
- if ((mask->mask1 & cdm_array[index].mask1) ||
- (mask->mask2 & cdm_array[index].mask2)) {
- if ((strlen(client_debug_string) +
- strlen(cdm_array[index].keyword) + 1)
- < ORANGEFS_MAX_DEBUG_STRING_LEN - 2) {
- strcat(client_debug_string,
- cdm_array[index].keyword);
- strcat(client_debug_string, ",");
- } else {
- gossip_err("%s: overflow!\n", __func__);
- strcpy(client_debug_string, ORANGEFS_ALL);
- goto out;
- }
- }
-out:
- return;
-}
-
-int keyword_is_amalgam(char *keyword)
-{
- int rc = 0;
-
- if ((!strcmp(keyword, ORANGEFS_ALL)) || (!strcmp(keyword, ORANGEFS_VERBOSE)))
- rc = 1;
-
- return rc;
-}
-
-/*
- * kernel = type 0
- * client = type 1
- *
- * return 1 if we found an amalgam.
- */
-int check_amalgam_keyword(void *mask, int type)
-{
- __u64 *k_mask;
- struct client_debug_mask *c_mask;
- int k_all_index = num_kmod_keyword_mask_map - 1;
- int rc = 0;
-
- if (type) {
- c_mask = (struct client_debug_mask *) mask;
-
- if ((c_mask->mask1 == cdm_array[client_all_index].mask1) &&
- (c_mask->mask2 == cdm_array[client_all_index].mask2)) {
- strcpy(client_debug_string, ORANGEFS_ALL);
- rc = 1;
- goto out;
- }
-
- if ((c_mask->mask1 == cdm_array[client_verbose_index].mask1) &&
- (c_mask->mask2 == cdm_array[client_verbose_index].mask2)) {
- strcpy(client_debug_string, ORANGEFS_VERBOSE);
- rc = 1;
- goto out;
- }
-
- } else {
- k_mask = (__u64 *) mask;
-
- if (*k_mask >= s_kmod_keyword_mask_map[k_all_index].mask_val) {
- strcpy(kernel_debug_string, ORANGEFS_ALL);
- rc = 1;
- goto out;
- }
- }
-
-out:
-
- return rc;
-}
-
-/*
- * kernel = type 0
- * client = type 1
- */
-void debug_string_to_mask(char *debug_string, void *mask, int type)
-{
- char *unchecked_keyword;
- int i;
- char *strsep_fodder = kstrdup(debug_string, GFP_KERNEL);
- char *original_pointer;
- int element_count = 0;
- struct client_debug_mask *c_mask;
- __u64 *k_mask;
-
- gossip_debug(GOSSIP_UTILS_DEBUG, "%s: start\n", __func__);
-
- if (type) {
- c_mask = (struct client_debug_mask *)mask;
- element_count = cdm_element_count;
- } else {
- k_mask = (__u64 *)mask;
- *k_mask = 0;
- element_count = num_kmod_keyword_mask_map;
- }
-
- original_pointer = strsep_fodder;
- while ((unchecked_keyword = strsep(&strsep_fodder, ",")))
- if (strlen(unchecked_keyword)) {
- for (i = 0; i < element_count; i++)
- if (type)
- do_c_mask(i,
- unchecked_keyword,
- &c_mask);
- else
- do_k_mask(i,
- unchecked_keyword,
- &k_mask);
- }
-
- kfree(original_pointer);
-}
-
-void do_c_mask(int i,
- char *unchecked_keyword,
- struct client_debug_mask **sane_mask)
-{
-
- if (!strcmp(cdm_array[i].keyword, unchecked_keyword)) {
- (**sane_mask).mask1 = (**sane_mask).mask1 | cdm_array[i].mask1;
- (**sane_mask).mask2 = (**sane_mask).mask2 | cdm_array[i].mask2;
- }
-}
-
-void do_k_mask(int i, char *unchecked_keyword, __u64 **sane_mask)
-{
-
- if (!strcmp(s_kmod_keyword_mask_map[i].keyword, unchecked_keyword))
- **sane_mask = (**sane_mask) |
- s_kmod_keyword_mask_map[i].mask_val;
-}
projects / cascardo / linux.git / blobdiff