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[LogFS] Remove h_version field

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Incompatible change: h_compr is moved up so the padding is all in one chunk.
This commit is contained in:
Joern Engel 2010-03-06 10:01:46 +01:00
parent 6a08ab846c
commit 9cf05b416d
2 changed files with 5 additions and 6 deletions
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7
fs/logfs/journal.c
View file

@ -419,12 +419,13 @@ static size_t __logfs_write_header(struct logfs_super *super,
{
jh->h_len = cpu_to_be16(len);
jh->h_type = cpu_to_be16(type);
jh->h_version = cpu_to_be16(++super->s_last_version);
jh->h_datalen = cpu_to_be16(datalen);
jh->h_compr = compr;
jh->h_pad[0] = 'H';
jh->h_pad[1] = 'A';
jh->h_pad[2] = 'T';
jh->h_pad[1] = 'E';
jh->h_pad[2] = 'A';
jh->h_pad[3] = 'D';
jh->h_pad[4] = 'R';
jh->h_crc = logfs_crc32(jh, len + sizeof(*jh), 4);
return ALIGN(len, 16) + sizeof(*jh);
}

4
fs/logfs/logfs_abi.h
View file

@ -422,7 +422,6 @@ SIZE_CHECK(logfs_segment_entry, 8);
* not including header
* @h_datalen: length of uncompressed data
* @h_type: JE type
* @h_version: unnormalized version of journal entry
* @h_compr: compression type
* @h_pad: reserved
*/
@ -431,9 +430,8 @@ struct logfs_journal_header {
__be16 h_len;
__be16 h_datalen;
__be16 h_type;
__be16 h_version;
__u8 h_compr;
__u8 h_pad[3];
__u8 h_pad[5];
};
SIZE_CHECK(logfs_journal_header, 16);