rm -f $(BUILDDIR)/hashtable/*.o cscope.*
--- a/mkfs.ubifs/mkfs.ubifs.c
+++ b/mkfs.ubifs/mkfs.ubifs.c
-@@ -178,8 +178,8 @@ static const char *helptext =
+@@ -98,6 +98,9 @@ struct ubifs_info info_;
+ static struct ubifs_info *c = &info_;
+ static libubi_t ubi;
+
++static int force_compr_set;
++static int force_compr;
++
+ /* Debug levels are: 0 (none), 1 (statistics), 2 (files) ,3 (more details) */
+ int debug_level;
+ int verbose;
+@@ -132,7 +135,7 @@ static struct inum_mapping **hash_table;
+ /* Inode creation sequence number */
+ static unsigned long long creat_sqnum;
+
+-static const char *optstring = "d:r:m:o:D:h?vVe:c:g:f:Fp:k:x:X:j:R:l:j:UQq";
++static const char *optstring = "d:r:m:o:D:h?vVe:c:g:f:Fp:k:x:X:y:j:R:l:j:UQq";
+
+ static const struct option longopts[] = {
+ {"root", 1, NULL, 'r'},
+@@ -149,6 +152,7 @@ static const struct option longopts[] =
+ {"reserved", 1, NULL, 'R'},
+ {"compr", 1, NULL, 'x'},
+ {"favor-percent", 1, NULL, 'X'},
++ {"force-compr", 1, NULL, 'y'},
+ {"fanout", 1, NULL, 'f'},
+ {"space-fixup", 0, NULL, 'F'},
+ {"keyhash", 1, NULL, 'k'},
+@@ -178,11 +182,13 @@ static const char *helptext =
"-o, --output=FILE output to FILE\n"
"-j, --jrn-size=SIZE journal size\n"
"-R, --reserved=SIZE how much space should be reserved for the super-user\n"
-"-x, --compr=TYPE compression type - \"lzo\", \"favor_lzo\", \"zlib\" or\n"
-" \"none\" (default: \"lzo\")\n"
-+"-x, --compr=TYPE compression type - \"lzo\", \"favor_lzo\", \"zlib\",\n"
-+" \"xz\" or \"none\" (default: \"lzo\")\n"
++"-x, --compr=TYPE default compression type - \"lzo\", \"favor_lzo\",\n"
++" \"zlib\" or \"none\" (default: \"lzo\")\n"
"-X, --favor-percent may only be used with favor LZO compression and defines\n"
" how many percent better zlib should compress to make\n"
" mkfs.ubifs use zlib instead of LZO (default 20%)\n"
-@@ -208,7 +208,7 @@ static const char *helptext =
- "-h, --help display this help text\n\n"
- "Note, SIZE is specified in bytes, but it may also be specified in Kilobytes,\n"
- "Megabytes, and Gigabytes if a KiB, MiB, or GiB suffix is used.\n\n"
--"If you specify \"lzo\" or \"zlib\" compressors, mkfs.ubifs will use this compressor\n"
-+"If you specify \"lzo\", \"xz\" or \"zlib\" compressors, mkfs.ubifs will use this compressor\n"
- "for all data. The \"none\" disables any data compression. The \"favor_lzo\" is not\n"
- "really a separate compressor. It is just a method of combining \"lzo\" and \"zlib\"\n"
- "compressors. Namely, mkfs.ubifs tries to compress data with both \"lzo\" and \"zlib\"\n"
-@@ -653,10 +653,13 @@ static int get_options(int argc, char**a
- c->favor_lzo = 1;
- else if (strcmp(optarg, "zlib") == 0)
- c->default_compr = UBIFS_COMPR_ZLIB;
-+ else if (strcmp(optarg, "xz") == 0)
-+ c->default_compr = UBIFS_COMPR_XZ;
- else if (strcmp(optarg, "none") == 0)
- c->default_compr = UBIFS_COMPR_NONE;
- else if (strcmp(optarg, "lzo") != 0)
++"-y, --force-compr=TYPE force to build the fs with different compression -\n"
++" \"lzo\", \"zlib\" or \"none\"\n"
+ "-f, --fanout=NUM fanout NUM (default: 8)\n"
+ "-F, --space-fixup file-system free space has to be fixed up on first mount\n"
+ " (requires kernel version 3.0 or greater)\n"
+@@ -530,6 +536,43 @@ static int open_ubi(const char *node)
+ return 0;
+ }
+
++static const char *get_compr_str(int compr)
++{
++ switch (compr) {
++ case UBIFS_COMPR_LZO:
++ return "lzo";
++ case UBIFS_COMPR_ZLIB:
++ return "zlib";
++ case UBIFS_COMPR_XZ:
++ return "xz";
++ case UBIFS_COMPR_NONE:
++ return "none";
++ }
++
++ return "unknown";
++}
++
++static int get_compr_option(char *opt, int *compr_type, int *favor_lzo)
++{
++ *compr_type = UBIFS_COMPR_LZO;
++
++ if (favor_lzo)
++ *favor_lzo = 0;
++
++ if (favor_lzo && strcmp(optarg, "favor_lzo") == 0)
++ *favor_lzo = 1;
++ else if (strcmp(optarg, "zlib") == 0)
++ *compr_type = UBIFS_COMPR_ZLIB;
++ else if (strcmp(optarg, "xz") == 0)
++ *compr_type = UBIFS_COMPR_XZ;
++ else if (strcmp(optarg, "none") == 0)
++ *compr_type = UBIFS_COMPR_NONE;
++ else if (strcmp(optarg, "lzo") != 0)
++ return -1;
++
++ return 0;
++}
++
+ static int get_options(int argc, char**argv)
+ {
+ int opt, i;
+@@ -649,14 +692,13 @@ static int get_options(int argc, char**a
+ return err_msg("bad key hash");
+ break;
+ case 'x':
+- if (strcmp(optarg, "favor_lzo") == 0)
+- c->favor_lzo = 1;
+- else if (strcmp(optarg, "zlib") == 0)
+- c->default_compr = UBIFS_COMPR_ZLIB;
+- else if (strcmp(optarg, "none") == 0)
+- c->default_compr = UBIFS_COMPR_NONE;
+- else if (strcmp(optarg, "lzo") != 0)
- return err_msg("bad compressor name");
++ if (get_compr_option(optarg, &c->default_compr,
++ &c->favor_lzo))
+ return err_msg("bad compressor name '%s'",
-+ optarg);
++ optarg);
++ if (c->default_compr == UBIFS_COMPR_XZ)
++ return err_msg("'%s' can't be used as default compressor",
++ optarg);
break;
case 'X':
c->favor_percent = strtol(optarg, &endp, 0);
-@@ -765,6 +768,9 @@ static int get_options(int argc, char**a
- case UBIFS_COMPR_ZLIB:
- printf("\tcompr: zlib\n");
+@@ -665,6 +707,12 @@ static int get_options(int argc, char**a
+ return err_msg("bad favor LZO percent '%s'",
+ optarg);
break;
-+ case UBIFS_COMPR_XZ:
-+ printf("\tcompr: xz\n");
++ case 'y':
++ if (get_compr_option(optarg, &force_compr, NULL))
++ return err_msg("bad forced compressor name '%s'",
++ optarg);
++ force_compr_set = 1;
+ break;
- case UBIFS_COMPR_NONE:
- printf("\tcompr: none\n");
- break;
+ case 'j':
+ c->max_bud_bytes = get_bytes(optarg);
+ if (c->max_bud_bytes <= 0)
+@@ -749,6 +797,9 @@ static int get_options(int argc, char**a
+ c->min_io_size = 8;
+ c->rp_size = add_space_overhead(c->rp_size);
+
++ if (force_compr_set == 0)
++ force_compr = c->default_compr;
++
+ if (verbose) {
+ printf("mkfs.ubifs\n");
+ printf("\troot: %s\n", root);
+@@ -758,17 +809,10 @@ static int get_options(int argc, char**a
+ printf("\toutput: %s\n", output);
+ printf("\tjrn_size: %llu\n", c->max_bud_bytes);
+ printf("\treserved: %llu\n", c->rp_size);
+- switch (c->default_compr) {
+- case UBIFS_COMPR_LZO:
+- printf("\tcompr: lzo\n");
+- break;
+- case UBIFS_COMPR_ZLIB:
+- printf("\tcompr: zlib\n");
+- break;
+- case UBIFS_COMPR_NONE:
+- printf("\tcompr: none\n");
+- break;
+- }
++ printf("\tcompr: %s\n", get_compr_str(c->default_compr));
++ if (force_compr_set)
++ printf("\tforced compr: %s\n",
++ get_compr_str(force_compr));
+ printf("\tkeyhash: %s\n", (c->key_hash == key_r5_hash) ?
+ "r5" : "test");
+ printf("\tfanout: %d\n", c->fanout);
+@@ -1353,7 +1397,7 @@ static int add_file(const char *path_nam
+ use_compr = UBIFS_COMPR_LZO;
+ else
+ #endif
+- use_compr = c->default_compr;
++ use_compr = force_compr;
+ compr_type = compress_data(buf, bytes_read, &dn->data,
+ &out_len, use_compr);
+ dn->compr_type = cpu_to_le16(compr_type);
--- a/mkfs.ubifs/mkfs.ubifs.h
+++ b/mkfs.ubifs/mkfs.ubifs.h
@@ -77,6 +77,9 @@
projects / openwrt.git / blobdiff