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ext4: change structure fields to __le/__be types

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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>
This commit is contained in:
Michael Walle
2016-08-29 10:46:43 +02:00
committed by Tom Rini
parent 2365a4b8ea
commit 2a0b7a971a
2 changed files with 88 additions and 88 deletions
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40
fs/ext4/ext4_journal.h
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@@ -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 {