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authorJoern Engel <joern@logfs.org>2010-03-06 10:01:46 +0100
committerJoern Engel <joern@logfs.org>2010-03-06 10:01:46 +0100
commit9cf05b416d3324457f1dd8be35f4eaa7a9640bed (patch)
tree7a81abdbae27a6ab8882e3f722846a22720ce79d /fs/logfs
parent6a08ab846cefc82a328cbf9abd96c2e58a6c3664 (diff)
downloadop-kernel-dev-9cf05b416d3324457f1dd8be35f4eaa7a9640bed.zip
op-kernel-dev-9cf05b416d3324457f1dd8be35f4eaa7a9640bed.tar.gz
[LogFS] Remove h_version field
Incompatible change: h_compr is moved up so the padding is all in one chunk.
Diffstat (limited to 'fs/logfs')
-rw-r--r--fs/logfs/journal.c7
-rw-r--r--fs/logfs/logfs_abi.h4
2 files changed, 5 insertions, 6 deletions
diff --git a/fs/logfs/journal.c b/fs/logfs/journal.c
index 57eb4fb..6ad30a4 100644
--- a/fs/logfs/journal.c
+++ b/fs/logfs/journal.c
@@ -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);
}
diff --git a/fs/logfs/logfs_abi.h b/fs/logfs/logfs_abi.h
index 8d4dd3d..d8cc957 100644
--- a/fs/logfs/logfs_abi.h
+++ b/fs/logfs/logfs_abi.h
@@ -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);
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