Changeset bc99ed6 in mainline

Timestamp:

2011-03-07T20:20:08Z (14 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

f5cbd4f

Parents:

e80b1de

Message:

Write superblock on disk directly into init_superblock()

File:

• uspace/app/mkminix/mkminix.c (modified) (12 diffs)

uspace/app/mkminix/mkminix.c ¶

@@ -63 +63 @@
 
 typedef struct mfs_params {
-        uint16_t fs_magic;
-        uint32_t block_size;
-        size_t devblock_size;
-        unsigned long n_inodes;
-        aoff64_t dev_nblocks;
-        bool fs_longnames;
+        devmap_handle_t handle;
+        uint16_t        fs_magic;
+        uint32_t        block_size;
+        size_t          devblock_size;
+        unsigned long   n_inodes;
+        aoff64_t        dev_nblocks;
+        bool            fs_longnames;
 } mfs_params_t;
 
 static void     help_cmd_mkminix(help_level_t level);
 static int      num_of_set_bits(uint32_t n);
-static void     setup_superblock(struct mfs_superblock *sb, mfs_params_t *opt);
-static void     setup_superblock_v3(struct mfs3_superblock *sb, mfs_params_t *opt);
-static void     setup_bitmaps(devmap_handle_t handle, uint32_t ninodes,
-                                uint32_t nzones, int bsize);
+static void     init_superblock(struct mfs_superblock *sb, mfs_params_t *opt);
+static void     init_superblock_v3(struct mfs3_superblock *sb, mfs_params_t *opt);
+static void     init_bitmaps(uint32_t ninodes,  uint32_t nzones, int bsize, mfs_params_t *opt);
 static void     mark_bmap(uint8_t *bmap, int idx, int v);
 
@@ -94 +94 @@
         int rc, c, opt_ind;
         char *device_name;
-        devmap_handle_t handle;
         
         struct mfs_superblock *sb;
@@ -170 +169 @@
         }
 
-        rc = devmap_device_get_handle(device_name, &handle, 0);
+        rc = devmap_device_get_handle(device_name, &opt.handle, 0);
         if (rc != EOK) {
                 printf(NAME ": Error resolving device `%s'.\n", device_name);
@@ -176 +175 @@
         }
 
-        rc = block_init(handle, MFS_MIN_BLOCKSIZE);
+        rc = block_init(opt.handle, MFS_MIN_BLOCKSIZE);
         if (rc != EOK)  {
                 printf(NAME ": Error initializing libblock.\n");
@@ -182 +181 @@
         }
 
-        rc = block_get_bsize(handle, &opt.devblock_size);
+        rc = block_get_bsize(opt.handle, &opt.devblock_size);
         if (rc != EOK) {
                 printf(NAME ": Error determining device block size.\n");
@@ -188 +187 @@
         }
 
-        rc = block_get_nblocks(handle, &opt.dev_nblocks);
+        rc = block_get_nblocks(opt.handle, &opt.dev_nblocks);
         if (rc != EOK) {
                 printf(NAME ": Warning, failed to obtain block device size.\n");
@@ -214 +213 @@
                         return 2;
                 }
-                setup_superblock_v3(sb3, &opt);
-                block_write_direct(handle, MFS_SUPERBLOCK, 1, sb3);
-                setup_bitmaps(handle, sb3->s_ninodes,
-                                sb3->s_nzones, sb3->s_block_size);
+                init_superblock_v3(sb3, &opt);
+                init_bitmaps(sb3->s_ninodes, sb3->s_nzones, sb3->s_block_size, &opt);
         } else {
                 sb = (struct mfs_superblock *) malloc(sizeof(struct mfs_superblock));
@@ -224 +221 @@
                         return 2;
                 }
-                setup_superblock(sb, &opt);
-                block_write_direct(handle, MFS_SUPERBLOCK, 1, sb);
-                setup_bitmaps(handle, sb->s_ninodes, sb->s_nzones, MFS_BLOCKSIZE);
+                init_superblock(sb, &opt);
+                init_bitmaps(sb->s_ninodes, sb->s_nzones, MFS_BLOCKSIZE, &opt);
         }
 
@@ -232 +228 @@
 }
 
-static void setup_superblock(struct mfs_superblock *sb, mfs_params_t *opt)
+static void init_superblock(struct mfs_superblock *sb, mfs_params_t *opt)
 {
         int ino_per_block = 0;
@@ -297 +293 @@
         printf(NAME ": first data zone = %d\n", sb->s_first_data_zone);
         printf(NAME ": long fnames = %s\n", opt->fs_longnames ? "Yes" : "No");
-}
-
-static void setup_superblock_v3(struct mfs3_superblock *sb, mfs_params_t *opt)
+
+        block_write_direct(opt->handle, MFS_SUPERBLOCK, 1, sb);
+}
+
+static void init_superblock_v3(struct mfs3_superblock *sb, mfs_params_t *opt)
 {
         int ino_per_block;
@@ -348 +346 @@
         printf(NAME ": inode table blocks = %ld\n", ninodes_blocks);
         printf(NAME ": first data zone = %d\n", sb->s_first_data_zone);
-}
-
-static void setup_bitmaps(devmap_handle_t handle, uint32_t ninodes,
-                                uint32_t nzones, int bsize)
+
+        block_write_direct(opt->handle, MFS_SUPERBLOCK, 1, sb);
+}
+
+static void init_bitmaps(uint32_t ninodes, uint32_t nzones,
+                                int bsize, mfs_params_t *opt)
 {
         uint8_t *ibmap_buf, *zbmap_buf;
@@ -372 +372 @@
         zbmap_nblocks *= bsize / MFS_BLOCKSIZE;
 
-        block_write_direct(handle, 2, ibmap_nblocks, ibmap_buf);
-        block_write_direct(handle, 2 + ibmap_nblocks, zbmap_nblocks, zbmap_buf);
+        block_write_direct(opt->handle, 2, ibmap_nblocks, ibmap_buf);
+        block_write_direct(opt->handle, 2 + ibmap_nblocks, zbmap_nblocks, zbmap_buf);
 }