diff options
| author | Michael Walle <michael@walle.cc> | 2016-08-29 10:46:43 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-09-23 09:02:01 -0400 |
| commit | 2a0b7a971aac682112cf676c6583196faafcb2b0 (patch) | |
| tree | 49d06dec4f2008903eb269ff5fe33371b2c2ac88 /fs | |
| parent | 2365a4b8ea7d8b1f5e796a4fec176f613dea838c (diff) | |
ext4: change structure fields to __le/__be types
Change all the types of ext2/4 fields to little endian types and all the
JBD fields to big endian types. Now we can use sparse (make C=1) to check
for statements where we need byteswaps.
Signed-off-by: Michael Walle <michael@walle.cc>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext4/ext4_journal.h | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/fs/ext4/ext4_journal.h b/fs/ext4/ext4_journal.h index d926094bec..d54165ce19 100644 --- a/fs/ext4/ext4_journal.h +++ b/fs/ext4/ext4_journal.h @@ -49,9 +49,9 @@ struct dirty_blocks { /* Standard header for all descriptor blocks: */ struct journal_header_t { - __u32 h_magic; - __u32 h_blocktype; - __u32 h_sequence; + __be32 h_magic; + __be32 h_blocktype; + __be32 h_sequence; }; /* The journal superblock. All fields are in big-endian byte order. */ @@ -60,35 +60,35 @@ struct journal_superblock_t { struct journal_header_t s_header; /* Static information describing the journal */ - __u32 s_blocksize; /* journal device blocksize */ - __u32 s_maxlen; /* total blocks in journal file */ - __u32 s_first; /* first block of log information */ + __be32 s_blocksize; /* journal device blocksize */ + __be32 s_maxlen; /* total blocks in journal file */ + __be32 s_first; /* first block of log information */ /* Dynamic information describing the current state of the log */ - __u32 s_sequence; /* first commit ID expected in log */ - __u32 s_start; /* blocknr of start of log */ + __be32 s_sequence; /* first commit ID expected in log */ + __be32 s_start; /* blocknr of start of log */ /* Error value, as set by journal_abort(). */ - __s32 s_errno; + __be32 s_errno; /* Remaining fields are only valid in a version-2 superblock */ - __u32 s_feature_compat; /* compatible feature set */ - __u32 s_feature_incompat; /* incompatible feature set */ - __u32 s_feature_ro_compat; /* readonly-compatible feature set */ + __be32 s_feature_compat; /* compatible feature set */ + __be32 s_feature_incompat; /* incompatible feature set */ + __be32 s_feature_ro_compat; /* readonly-compatible feature set */ /* 0x0030 */ __u8 s_uuid[16]; /* 128-bit uuid for journal */ /* 0x0040 */ - __u32 s_nr_users; /* Nr of filesystems sharing log */ + __be32 s_nr_users; /* Nr of filesystems sharing log */ - __u32 s_dynsuper; /* Blocknr of dynamic superblock copy */ + __be32 s_dynsuper; /* Blocknr of dynamic superblock copy */ /* 0x0048 */ - __u32 s_max_transaction; /* Limit of journal blocks per trans. */ - __u32 s_max_trans_data; /* Limit of data blocks per trans. */ + __be32 s_max_transaction; /* Limit of journal blocks per trans. */ + __be32 s_max_trans_data; /* Limit of data blocks per trans. */ /* 0x0050 */ - __u32 s_padding[44]; + __be32 s_padding[44]; /* 0x0100 */ __u8 s_users[16 * 48]; /* ids of all fs'es sharing the log */ @@ -96,13 +96,13 @@ struct journal_superblock_t { } ; struct ext3_journal_block_tag { - uint32_t block; - uint32_t flags; + __be32 block; + __be32 flags; }; struct journal_revoke_header_t { struct journal_header_t r_header; - int r_count; /* Count of bytes used in the block */ + __be32 r_count; /* Count of bytes used in the block */ }; struct revoke_blk_list { |