tyler.durden/simplefs
1
0
Fork 0
mirror of https://github.com/psankar/simplefs.git synced 2025-07-24 06:24:38 +02:00
Code Issues Packages Projects Releases Wiki Activity

mkfs-simplefs: fill sb by zeros sb padding

Browse Source 
This will make debugging more cleaner (you will see actual zeros instead
of trash)
This commit is contained in:
Azat Khuzhin 2014-07-12 21:56:49 +04:00
parent 7610120b10
commit 0fb2c3b7c1
1 changed files with 9 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
mkfs-simplefs.c
View File

@ -14,20 +14,17 @@ const uint64_t WELCOMEFILE_INODE_NUMBER = 2;
static int write_superblock(int fd) static int write_superblock(int fd)
{ {
struct simplefs_super_block sb; struct simplefs_super_block sb = {
.version = 1,
.magic = SIMPLEFS_MAGIC,
.block_size = SIMPLEFS_DEFAULT_BLOCK_SIZE,
/* One inode for rootdirectory and another for a welcome file that we are going to create */
.inodes_count = 2,
/* FIXME: Free blocks management is not implemented yet */
.free_blocks = (~0) & ~(1 << WELCOMEFILE_DATABLOCK_NUMBER),
};
ssize_t ret; ssize_t ret;
sb.version = 1;
sb.magic = SIMPLEFS_MAGIC;
sb.block_size = SIMPLEFS_DEFAULT_BLOCK_SIZE;
/* One inode for rootdirectory and another for a welcome file that we are going to create */
sb.inodes_count = 2;
/* FIXME: Free blocks management is not implemented yet */
sb.free_blocks = ~0;
sb.free_blocks &= ~(1 << WELCOMEFILE_DATABLOCK_NUMBER);
ret = write(fd, &sb, sizeof(sb)); ret = write(fd, &sb, sizeof(sb));
if (ret != SIMPLEFS_DEFAULT_BLOCK_SIZE) { if (ret != SIMPLEFS_DEFAULT_BLOCK_SIZE) {
printf printf