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Move more block read/write functions to util

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We're adding another command that does block IO so move some block
reading and writing functions out of mkfs.   We also grow a few function
variants and call the write_sync variant from mkfs instead of having it
manually sync.

Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2021-10-28 12:30:46 -07:00
parent 024426df28
commit 1cdcf41ac7
3 changed files with 112 additions and 44 deletions
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utils/src/util.h
+8
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@@ -113,6 +113,14 @@ static inline int memcmp_lens(const void *a, int a_len,
int get_path(char *path, int flags);
int read_block(int fd, u64 blkno, int shift, void **ret_val);
int read_block_crc(int fd, u64 blkno, int shift, void **ret_val);
int read_block_verify(int fd, u32 magic, u64 fsid, u64 blkno, int shift, void **ret_val);
struct scoutfs_block_header;
int write_block(int fd, u32 magic, __le64 fsid, u64 seq, u64 blkno,
int shift, struct scoutfs_block_header *hdr);
int write_block_sync(int fd, u32 magic, __le64 fsid, u64 seq, u64 blkno,
int shift, struct scoutfs_block_header *hdr);
#define __stringify_1(x) #x
#define __stringify(x) __stringify_1(x)