Changes in / [caf5382:ed29fe4] in mainline
- Files:
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- 3 deleted
- 19 edited
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boot/Makefile.common
rcaf5382 red29fe4 202 202 $(USPACE_PATH)/app/websrv/websrv \ 203 203 $(USPACE_PATH)/app/date/date \ 204 $(USPACE_PATH)/app/vdemo/vdemo \ 205 $(USPACE_PATH)/app/df/df 204 $(USPACE_PATH)/app/vdemo/vdemo 206 205 207 206 ifeq ($(CONFIG_PCC),y) -
uspace/Makefile
rcaf5382 red29fe4 80 80 app/vlaunch \ 81 81 app/vterm \ 82 app/df \83 82 srv/clipboard \ 84 83 srv/locsrv \ -
uspace/app/trace/trace.c
rcaf5382 red29fe4 724 724 o = oper_new("stat", 0, arg_def, V_ERRNO, 0, resp_def); 725 725 proto_add_oper(p, VFS_IN_STAT, o); 726 o = oper_new("statfs", 0, arg_def, V_ERRNO, 0, resp_def);727 proto_add_oper(p, VFS_IN_STATFS, o);728 726 729 727 proto_register(SERVICE_VFS, p); -
uspace/lib/c/generic/vfs/vfs.c
rcaf5382 red29fe4 43 43 #include <stdio.h> 44 44 #include <sys/stat.h> 45 #include <sys/statfs.h>46 45 #include <sys/types.h> 47 46 #include <ipc/services.h> … … 893 892 } 894 893 895 int statfs(const char *path, struct statfs *statfs)896 {897 sysarg_t rc;898 sysarg_t rc_orig;899 aid_t req;900 size_t pa_size;901 902 char *pa = absolutize(path, &pa_size);903 if (!pa)904 return ENOMEM;905 async_exch_t *exch = vfs_exchange_begin();906 907 req = async_send_0(exch, VFS_IN_STATFS, NULL);908 rc = async_data_write_start(exch, pa, pa_size);909 if (rc != EOK) {910 vfs_exchange_end(exch);911 free(pa);912 async_wait_for(req, &rc_orig);913 if (rc_orig == EOK)914 return (int) rc;915 else916 return (int) rc_orig;917 }918 rc = async_data_read_start(exch, (void *) statfs, sizeof(struct statfs));919 if (rc != EOK) {920 vfs_exchange_end(exch);921 free(pa);922 async_wait_for(req, &rc_orig);923 if (rc_orig == EOK)924 return (int) rc;925 else926 return (int) rc_orig;927 }928 vfs_exchange_end(exch);929 free(pa);930 async_wait_for(req, &rc);931 return rc;932 }933 934 894 /** @} 935 895 */ -
uspace/lib/c/include/ipc/vfs.h
rcaf5382 red29fe4 82 82 VFS_IN_WAIT_HANDLE, 83 83 VFS_IN_MTAB_GET, 84 VFS_IN_STATFS85 84 } vfs_in_request_t; 86 85 … … 99 98 VFS_OUT_LOOKUP, 100 99 VFS_OUT_DESTROY, 101 VFS_OUT_STATFS,102 100 VFS_OUT_LAST 103 101 } vfs_out_request_t; -
uspace/lib/c/include/vfs/vfs.h
rcaf5382 red29fe4 44 44 #include "vfs_mtab.h" 45 45 46 47 46 enum vfs_change_state_type { 48 47 VFS_PASS_HANDLE 49 48 }; 50 51 49 52 50 extern char *absolutize(const char *, size_t *); … … 63 61 extern async_exch_t *vfs_exchange_begin(void); 64 62 extern void vfs_exchange_end(async_exch_t *); 63 65 64 #endif 66 65 -
uspace/lib/fs/libfs.c
rcaf5382 red29fe4 45 45 #include <mem.h> 46 46 #include <sys/stat.h> 47 #include <sys/statfs.h>48 47 #include <stdlib.h> 49 48 … … 75 74 static void libfs_open_node(libfs_ops_t *, fs_handle_t, ipc_callid_t, 76 75 ipc_call_t *); 77 static void libfs_statfs(libfs_ops_t *, fs_handle_t, ipc_callid_t, ipc_call_t *);78 76 79 77 static void vfs_out_mounted(ipc_callid_t rid, ipc_call_t *req) … … 221 219 } 222 220 223 static void vfs_out_statfs(ipc_callid_t rid, ipc_call_t *req)224 {225 libfs_statfs(libfs_ops, reg.fs_handle, rid, req);226 }227 221 static void vfs_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg) 228 222 { … … 282 276 case VFS_OUT_SYNC: 283 277 vfs_out_sync(callid, &call); 284 break;285 case VFS_OUT_STATFS:286 vfs_out_statfs(callid, &call);287 278 break; 288 279 default: … … 834 825 835 826 ops->node_put(fn); 836 837 827 838 828 async_data_read_finalize(callid, &stat, sizeof(struct stat)); 839 829 async_answer_0(rid, EOK); 840 830 } 841 842 void libfs_statfs(libfs_ops_t *ops, fs_handle_t fs_handle, ipc_callid_t rid,843 ipc_call_t *request)844 {845 service_id_t service_id = (service_id_t) IPC_GET_ARG1(*request);846 fs_index_t index = (fs_index_t) IPC_GET_ARG2(*request);847 848 fs_node_t *fn;849 int rc = ops->node_get(&fn, service_id, index);850 on_error(rc, answer_and_return(rid, rc));851 852 ipc_callid_t callid;853 size_t size;854 if ((!async_data_read_receive(&callid, &size)) ||855 (size != sizeof(struct statfs))) {856 ops->node_put(fn);857 async_answer_0(callid, EINVAL);858 async_answer_0(rid, EINVAL);859 return;860 }861 862 struct statfs statfs;863 memset(&statfs, 0, sizeof(struct statfs));864 865 if (NULL != ops->size_block) {866 rc = ops->size_block(service_id, &statfs.f_bsize);867 if (rc != EOK) goto error;868 }869 870 if (NULL != ops->total_block_count) {871 rc = ops->total_block_count(service_id, &statfs.f_blocks);872 if (rc != EOK) goto error;873 }874 875 if (NULL != ops->free_block_count) {876 rc = ops->free_block_count(service_id, &statfs.f_bfree);877 if (rc != EOK) goto error;878 }879 880 ops->node_put(fn);881 async_data_read_finalize(callid, &statfs, sizeof(struct statfs));882 async_answer_0(rid, EOK);883 return;884 885 error:886 ops->node_put(fn);887 async_answer_0(callid, EINVAL);888 async_answer_0(rid, EINVAL);889 }890 891 831 892 832 /** Open VFS triplet. -
uspace/lib/fs/libfs.h
rcaf5382 red29fe4 93 93 bool (* is_file)(fs_node_t *); 94 94 service_id_t (* service_get)(fs_node_t *); 95 int (* size_block)(service_id_t, uint32_t *);96 int (* total_block_count)(service_id_t, uint64_t *);97 int (* free_block_count)(service_id_t, uint64_t *);98 95 } libfs_ops_t; 99 96 -
uspace/srv/fs/cdfs/cdfs_ops.c
rcaf5382 red29fe4 625 625 } 626 626 627 static int cdfs_size_block(service_id_t service_id, uint32_t *size)628 {629 *size = BLOCK_SIZE;630 631 return EOK;632 }633 634 static int cdfs_total_block_count(service_id_t service_id, uint64_t *count)635 {636 *count = 0;637 638 return EOK;639 }640 641 static int cdfs_free_block_count(service_id_t service_id, uint64_t *count)642 {643 *count = 0;644 645 return EOK;646 }647 648 627 libfs_ops_t cdfs_libfs_ops = { 649 628 .root_get = cdfs_root_get, … … 662 641 .is_directory = cdfs_is_directory, 663 642 .is_file = cdfs_is_file, 664 .service_get = cdfs_service_get, 665 .size_block = cdfs_size_block, 666 .total_block_count = cdfs_total_block_count, 667 .free_block_count = cdfs_free_block_count 643 .service_get = cdfs_service_get 668 644 }; 669 645 -
uspace/srv/fs/exfat/exfat_ops.c
rcaf5382 red29fe4 89 89 static bool exfat_is_file(fs_node_t *node); 90 90 static service_id_t exfat_service_get(fs_node_t *node); 91 static int exfat_size_block(service_id_t, uint32_t *);92 static int exfat_total_block_count(service_id_t, uint64_t *);93 static int exfat_free_block_count(service_id_t, uint64_t *);94 91 95 92 /* … … 915 912 } 916 913 917 int exfat_size_block(service_id_t service_id, uint32_t *size)918 {919 exfat_bs_t *bs;920 bs = block_bb_get(service_id);921 *size = BPC(bs);922 923 return EOK;924 }925 926 int exfat_total_block_count(service_id_t service_id, uint64_t *count)927 {928 exfat_bs_t *bs;929 bs = block_bb_get(service_id);930 *count = DATA_CNT(bs);931 932 return EOK;933 }934 935 int exfat_free_block_count(service_id_t service_id, uint64_t *count)936 {937 fs_node_t *node;938 exfat_node_t *bmap_node;939 exfat_bs_t *bs;940 uint64_t free_block_count = 0;941 uint64_t block_count;942 unsigned sector;943 int rc;944 945 rc = exfat_total_block_count(service_id, &block_count);946 if (rc != EOK)947 goto exit;948 949 bs = block_bb_get(service_id);950 node = NULL;951 rc = exfat_bitmap_get(&node, service_id);952 if (rc != EOK)953 goto exit;954 955 bmap_node = (exfat_node_t *) node->data;956 957 unsigned const bmap_sectors = ROUND_UP(bmap_node->size, BPS(bs)) /958 BPS(bs);959 960 for (sector = 0; sector < bmap_sectors; ++sector) {961 962 block_t *block;963 uint8_t *bitmap;964 unsigned bit;965 966 rc = exfat_block_get(&block, bs, bmap_node, sector,967 BLOCK_FLAGS_NONE);968 if (rc != EOK) {969 free_block_count = 0;970 goto exit;971 }972 973 bitmap = (uint8_t *) block->data;974 975 for (bit = 0; bit < BPS(bs) * 8 && block_count > 0;976 ++bit, --block_count) {977 if (!(bitmap[bit / 8] & (1 << (bit % 8))))978 ++free_block_count;979 }980 981 block_put(block);982 983 if (block_count == 0) {984 /* Reached the end of the bitmap */985 goto exit;986 }987 }988 989 exit:990 exfat_node_put(node);991 *count = free_block_count;992 return rc;993 }994 914 995 915 /** libfs operations */ … … 1010 930 .is_directory = exfat_is_directory, 1011 931 .is_file = exfat_is_file, 1012 .service_get = exfat_service_get, 1013 .size_block = exfat_size_block, 1014 .total_block_count = exfat_total_block_count, 1015 .free_block_count = exfat_free_block_count 932 .service_get = exfat_service_get 1016 933 }; 1017 934 -
uspace/srv/fs/ext4fs/ext4fs_ops.c
rcaf5382 red29fe4 101 101 static bool ext4fs_is_file(fs_node_t *node); 102 102 static service_id_t ext4fs_service_get(fs_node_t *node); 103 static int ext4fs_size_block(service_id_t, uint32_t *);104 static int ext4fs_total_block_count(service_id_t, uint64_t *);105 static int ext4fs_free_block_count(service_id_t, uint64_t *);106 103 107 104 /* Static variables */ … … 839 836 ext4fs_node_t *enode = EXT4FS_NODE(fn); 840 837 return enode->instance->service_id; 841 }842 843 int ext4fs_size_block(service_id_t service_id, uint32_t *size)844 {845 ext4fs_instance_t *inst;846 int rc = ext4fs_instance_get(service_id, &inst);847 if (rc != EOK)848 return rc;849 850 if (NULL == inst)851 return ENOENT;852 853 ext4_superblock_t *sb = inst->filesystem->superblock;854 *size = ext4_superblock_get_block_size(sb);855 856 return EOK;857 }858 859 int ext4fs_total_block_count(service_id_t service_id, uint64_t *count)860 {861 ext4fs_instance_t *inst;862 int rc = ext4fs_instance_get(service_id, &inst);863 if (rc != EOK)864 return rc;865 866 if (NULL == inst)867 return ENOENT;868 869 ext4_superblock_t *sb = inst->filesystem->superblock;870 *count = ext4_superblock_get_blocks_count(sb);871 872 return EOK;873 }874 875 int ext4fs_free_block_count(service_id_t service_id, uint64_t *count)876 {877 ext4fs_instance_t *inst;878 int rc = ext4fs_instance_get(service_id, &inst);879 if (rc != EOK)880 return rc;881 if (NULL == inst)882 return ENOENT;883 884 ext4_superblock_t *sb = inst->filesystem->superblock;885 *count = ext4_superblock_get_free_blocks_count(sb);886 887 return EOK;888 838 } 889 839 … … 907 857 .is_directory = ext4fs_is_directory, 908 858 .is_file = ext4fs_is_file, 909 .service_get = ext4fs_service_get, 910 .size_block = ext4fs_size_block, 911 .total_block_count = ext4fs_total_block_count, 912 .free_block_count = ext4fs_free_block_count 859 .service_get = ext4fs_service_get 913 860 }; 914 861 -
uspace/srv/fs/fat/fat_ops.c
rcaf5382 red29fe4 91 91 static bool fat_is_file(fs_node_t *node); 92 92 static service_id_t fat_service_get(fs_node_t *node); 93 static int fat_size_block(service_id_t, uint32_t *);94 static int fat_total_block_count(service_id_t, uint64_t *);95 static int fat_free_block_count(service_id_t, uint64_t *);96 93 97 94 /* … … 846 843 } 847 844 848 int fat_size_block(service_id_t service_id, uint32_t *size)849 {850 fat_bs_t *bs;851 852 bs = block_bb_get(service_id);853 *size = BPC(bs);854 855 return EOK;856 }857 858 int fat_total_block_count(service_id_t service_id, uint64_t *count)859 {860 fat_bs_t *bs;861 862 bs = block_bb_get(service_id);863 *count = (SPC(bs)) ? TS(bs) / SPC(bs) : 0;864 865 return EOK;866 }867 868 int fat_free_block_count(service_id_t service_id, uint64_t *count)869 {870 fat_bs_t *bs;871 fat_cluster_t e0;872 uint64_t block_count;873 int rc;874 uint32_t cluster_no, clusters;875 876 block_count = 0;877 bs = block_bb_get(service_id);878 clusters = (SPC(bs)) ? TS(bs) / SPC(bs) : 0;879 for (cluster_no = 0; cluster_no < clusters; cluster_no++) {880 rc = fat_get_cluster(bs, service_id, FAT1, cluster_no, &e0);881 if (rc != EOK)882 return EIO;883 884 if (e0 == FAT_CLST_RES0)885 block_count++;886 }887 *count = block_count;888 889 return EOK;890 }891 892 845 /** libfs operations */ 893 846 libfs_ops_t fat_libfs_ops = { … … 907 860 .is_directory = fat_is_directory, 908 861 .is_file = fat_is_file, 909 .service_get = fat_service_get, 910 .size_block = fat_size_block, 911 .total_block_count = fat_total_block_count, 912 .free_block_count = fat_free_block_count 862 .service_get = fat_service_get 913 863 }; 914 864 -
uspace/srv/fs/mfs/mfs.h
rcaf5382 red29fe4 58 58 #endif 59 59 60 #define MFS_BMAP_START_BLOCK(sbi, bid) \61 ((bid) == BMAP_ZONE ? 2 + (sbi)->ibmap_blocks : 2)62 63 #define MFS_BMAP_SIZE_BITS(sbi, bid) \64 ((bid) == BMAP_ZONE ? (sbi)->nzones - (sbi)->firstdatazone - 1 : \65 (sbi)->ninodes - 1)66 67 #define MFS_BMAP_SIZE_BLOCKS(sbi, bid) \68 ((bid) == BMAP_ZONE ? (sbi)->zbmap_blocks : (sbi)->ibmap_blocks)69 70 60 typedef uint32_t bitchunk_t; 71 61 … … 211 201 mfs_free_zone(struct mfs_instance *inst, uint32_t zone); 212 202 213 extern int214 mfs_count_free_zones(struct mfs_instance *inst, uint32_t *zones);215 216 extern int217 mfs_count_free_inodes(struct mfs_instance *inst, uint32_t *inodes);218 219 220 203 /* mfs_utils.c */ 221 204 extern uint16_t -
uspace/srv/fs/mfs/mfs_balloc.c
rcaf5382 red29fe4 44 44 mfs_alloc_bit(struct mfs_instance *inst, uint32_t *idx, bmap_id_t bid); 45 45 46 static int47 mfs_count_free_bits(struct mfs_instance *inst, bmap_id_t bid, uint32_t *free);48 49 50 46 /**Allocate a new inode. 51 47 * … … 106 102 107 103 return mfs_free_bit(inst, zone, BMAP_ZONE); 108 }109 110 /** Count the number of free zones111 *112 * @param inst Pointer to the instance structure.113 * @param zones Pointer to the memory location where the result114 * will be stored.115 *116 * @return EOK on success or a negative error code.117 */118 int119 mfs_count_free_zones(struct mfs_instance *inst, uint32_t *zones)120 {121 return mfs_count_free_bits(inst, BMAP_ZONE, zones);122 }123 124 /** Count the number of free inodes125 *126 * @param inst Pointer to the instance structure.127 * @param zones Pointer to the memory location where the result128 * will be stored.129 *130 * @return EOK on success or a negative error code.131 */132 133 int134 mfs_count_free_inodes(struct mfs_instance *inst, uint32_t *inodes)135 {136 return mfs_count_free_bits(inst, BMAP_INODE, inodes);137 }138 139 /** Count the number of free bits in a bitmap140 *141 * @param inst Pointer to the instance structure.142 * @param bid Type of the bitmap (inode or zone).143 * @param free Pointer to the memory location where the result144 * will be stores.145 *146 * @return EOK on success or a negative error code.147 */148 static int149 mfs_count_free_bits(struct mfs_instance *inst, bmap_id_t bid, uint32_t *free)150 {151 int r;152 unsigned start_block;153 unsigned long nblocks;154 unsigned long nbits;155 unsigned long block;156 unsigned long free_bits = 0;157 bitchunk_t chunk;158 size_t const bitchunk_bits = sizeof(bitchunk_t) * 8;159 block_t *b;160 struct mfs_sb_info *sbi = inst->sbi;161 162 start_block = MFS_BMAP_START_BLOCK(sbi, bid);163 nblocks = MFS_BMAP_SIZE_BLOCKS(sbi, bid);164 nbits = MFS_BMAP_SIZE_BITS(sbi, bid);165 166 for (block = 0; block < nblocks; ++block) {167 r = block_get(&b, inst->service_id, block + start_block,168 BLOCK_FLAGS_NONE);169 if (r != EOK)170 return r;171 172 size_t i;173 bitchunk_t *data = (bitchunk_t *) b->data;174 175 /* Read the bitmap block, chunk per chunk,176 * counting the zero bits.177 */178 for (i = 0; i < sbi->block_size / sizeof(bitchunk_t); ++i) {179 chunk = conv32(sbi->native, data[i]);180 181 size_t bit;182 for (bit = 0; bit < bitchunk_bits && nbits > 0;183 ++bit, --nbits) {184 if (!(chunk & (1 << bit)))185 free_bits++;186 }187 188 if (nbits == 0)189 break;190 }191 192 r = block_put(b);193 if (r != EOK)194 return r;195 }196 197 *free = free_bits;198 assert(nbits == 0);199 200 return EOK;201 104 } 202 105 … … 221 124 sbi = inst->sbi; 222 125 223 start_block = MFS_BMAP_START_BLOCK(sbi, bid);224 225 126 if (bid == BMAP_ZONE) { 226 127 search = &sbi->zsearch; 128 start_block = 2 + sbi->ibmap_blocks; 227 129 if (idx > sbi->nzones) { 228 130 printf(NAME ": Error! Trying to free beyond the " … … 233 135 /* bid == BMAP_INODE */ 234 136 search = &sbi->isearch; 137 start_block = 2; 235 138 if (idx > sbi->ninodes) { 236 139 printf(NAME ": Error! Trying to free beyond the " … … 289 192 sbi = inst->sbi; 290 193 291 start_block = MFS_BMAP_START_BLOCK(sbi, bid);292 limit = MFS_BMAP_SIZE_BITS(sbi, bid);293 nblocks = MFS_BMAP_SIZE_BLOCKS(sbi, bid);294 295 194 if (bid == BMAP_ZONE) { 296 195 search = &sbi->zsearch; 196 start_block = 2 + sbi->ibmap_blocks; 197 nblocks = sbi->zbmap_blocks; 198 limit = sbi->nzones - sbi->firstdatazone - 1; 297 199 } else { 298 200 /* bid == BMAP_INODE */ 299 201 search = &sbi->isearch; 202 start_block = 2; 203 nblocks = sbi->ibmap_blocks; 204 limit = sbi->ninodes - 1; 300 205 } 301 206 bits_per_block = sbi->block_size * 8; -
uspace/srv/fs/mfs/mfs_ops.c
rcaf5382 red29fe4 64 64 static int mfs_check_sanity(struct mfs_sb_info *sbi); 65 65 static bool is_power_of_two(uint32_t n); 66 static int mfs_size_block(service_id_t service_id, uint32_t *size);67 static int mfs_total_block_count(service_id_t service_id, uint64_t *count);68 static int mfs_free_block_count(service_id_t service_id, uint64_t *count);69 66 70 67 static hash_table_t open_nodes; … … 87 84 .destroy = mfs_destroy_node, 88 85 .has_children = mfs_has_children, 89 .lnkcnt_get = mfs_lnkcnt_get, 90 .size_block = mfs_size_block, 91 .total_block_count = mfs_total_block_count, 92 .free_block_count = mfs_free_block_count 86 .lnkcnt_get = mfs_lnkcnt_get 93 87 }; 94 88 … … 1135 1129 } 1136 1130 1137 static int1138 mfs_size_block(service_id_t service_id, uint32_t *size)1139 {1140 struct mfs_instance *inst;1141 int rc;1142 1143 rc = mfs_instance_get(service_id, &inst);1144 if (rc != EOK)1145 return rc;1146 1147 if (NULL == inst)1148 return ENOENT;1149 1150 *size = inst->sbi->block_size;1151 1152 return EOK;1153 }1154 1155 static int1156 mfs_total_block_count(service_id_t service_id, uint64_t *count)1157 {1158 struct mfs_instance *inst;1159 int rc;1160 1161 rc = mfs_instance_get(service_id, &inst);1162 if (rc != EOK)1163 return rc;1164 1165 if (NULL == inst)1166 return ENOENT;1167 1168 *count = (uint64_t) MFS_BMAP_SIZE_BITS(inst->sbi, BMAP_ZONE);1169 1170 return EOK;1171 }1172 1173 static int1174 mfs_free_block_count(service_id_t service_id, uint64_t *count)1175 {1176 uint32_t block_free;1177 1178 struct mfs_instance *inst;1179 int rc = mfs_instance_get(service_id, &inst);1180 if (rc != EOK)1181 return rc;1182 1183 if (NULL == inst)1184 return ENOENT;1185 1186 mfs_count_free_zones(inst, &block_free);1187 *count = block_free;1188 1189 return EOK;1190 }1191 1192 1131 vfs_out_ops_t mfs_ops = { 1193 1132 .mounted = mfs_mounted, -
uspace/srv/fs/udf/udf_ops.c
rcaf5382 red29fe4 249 249 } 250 250 251 static int udf_size_block(service_id_t service_id, uint32_t *size)252 {253 udf_instance_t *instance;254 int rc = fs_instance_get(service_id, (void **) &instance);255 if (rc != EOK)256 return rc;257 258 if (NULL == instance)259 return ENOENT;260 261 *size = instance->volumes[DEFAULT_VOL].logical_block_size;262 263 return EOK;264 }265 266 static int udf_total_block_count(service_id_t service_id, uint64_t *count)267 {268 *count = 0;269 270 return EOK;271 }272 273 static int udf_free_block_count(service_id_t service_id, uint64_t *count)274 {275 *count = 0;276 277 return EOK;278 }279 280 251 libfs_ops_t udf_libfs_ops = { 281 252 .root_get = udf_root_get, … … 294 265 .is_directory = udf_is_directory, 295 266 .is_file = udf_is_file, 296 .service_get = udf_service_get, 297 .size_block = udf_size_block, 298 .total_block_count = udf_total_block_count, 299 .free_block_count = udf_free_block_count 267 .service_get = udf_service_get 300 268 }; 301 269 -
uspace/srv/vfs/vfs.c
rcaf5382 red29fe4 130 130 vfs_get_mtab(callid, &call); 131 131 break; 132 case VFS_IN_STATFS:133 vfs_statfs(callid, &call);134 break;135 132 default: 136 133 async_answer_0(callid, ENOTSUP); -
uspace/srv/vfs/vfs.h
rcaf5382 red29fe4 222 222 extern void vfs_wait_handle(ipc_callid_t, ipc_call_t *); 223 223 extern void vfs_get_mtab(ipc_callid_t, ipc_call_t *); 224 extern void vfs_statfs(ipc_callid_t, ipc_call_t *);225 224 226 225 #endif -
uspace/srv/vfs/vfs_ops.c
rcaf5382 red29fe4 1418 1418 } 1419 1419 1420 void vfs_statfs(ipc_callid_t rid, ipc_call_t *request)1421 {1422 char *path;1423 int rc = async_data_write_accept((void **) &path, true, 0, 0, 0, NULL);1424 if (rc != EOK) {1425 async_answer_0(rid, rc);1426 return;1427 }1428 1429 ipc_callid_t callid;1430 if (!async_data_read_receive(&callid, NULL)) {1431 free(path);1432 async_answer_0(callid, EINVAL);1433 async_answer_0(rid, EINVAL);1434 return;1435 }1436 1437 vfs_lookup_res_t lr;1438 fibril_rwlock_read_lock(&namespace_rwlock);1439 rc = vfs_lookup_internal(path, L_NONE, &lr, NULL);1440 free(path);1441 if (rc != EOK) {1442 fibril_rwlock_read_unlock(&namespace_rwlock);1443 async_answer_0(callid, rc);1444 async_answer_0(rid, rc);1445 return;1446 }1447 vfs_node_t *node = vfs_node_get(&lr);1448 if (!node) {1449 fibril_rwlock_read_unlock(&namespace_rwlock);1450 async_answer_0(callid, ENOMEM);1451 async_answer_0(rid, ENOMEM);1452 return;1453 }1454 1455 fibril_rwlock_read_unlock(&namespace_rwlock);1456 1457 async_exch_t *exch = vfs_exchange_grab(node->fs_handle);1458 1459 aid_t msg;1460 msg = async_send_3(exch, VFS_OUT_STATFS, node->service_id,1461 node->index, false, NULL);1462 async_forward_fast(callid, exch, 0, 0, 0, IPC_FF_ROUTE_FROM_ME);1463 1464 vfs_exchange_release(exch);1465 1466 sysarg_t rv;1467 async_wait_for(msg, &rv);1468 1469 async_answer_0(rid, rv);1470 1471 vfs_node_put(node);1472 }1473 1474 1420 /** 1475 1421 * @}
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