Some calls to crc functions used useful #defines,
others used awkward offsetof() constructs.
Switch them all to #define to make things a bit
cleaner.
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---
fs/xfs/xfs_ag.h | 6 ++++++
fs/xfs/xfs_alloc.c | 10 ++++------
fs/xfs/xfs_dinode.h | 2 ++
fs/xfs/xfs_format.h | 2 ++
fs/xfs/xfs_ialloc.c | 5 ++---
fs/xfs/xfs_inode_buf.c | 4 ++--
fs/xfs/xfs_sb.c | 5 ++---
fs/xfs/xfs_sb.h | 2 ++
fs/xfs/xfs_symlink_remote.c | 5 ++---
9 files changed, 24 insertions(+), 17 deletions(-)
New patch since V1
diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h
index 3fc1098..0fdd410 100644
--- a/fs/xfs/xfs_ag.h
+++ b/fs/xfs/xfs_ag.h
@@ -89,6 +89,8 @@ typedef struct xfs_agf {
/* structure must be padded to 64 bit alignment */
} xfs_agf_t;
+#define XFS_AGF_CRC_OFF offsetof(struct xfs_agf, agf_crc)
+
#define XFS_AGF_MAGICNUM 0x00000001
#define XFS_AGF_VERSIONNUM 0x00000002
#define XFS_AGF_SEQNO 0x00000004
@@ -167,6 +169,8 @@ typedef struct xfs_agi {
/* structure must be padded to 64 bit alignment */
} xfs_agi_t;
+#define XFS_AGI_CRC_OFF offsetof(struct xfs_agi, agi_crc)
+
#define XFS_AGI_MAGICNUM 0x00000001
#define XFS_AGI_VERSIONNUM 0x00000002
#define XFS_AGI_SEQNO 0x00000004
@@ -222,6 +226,8 @@ typedef struct xfs_agfl {
__be32 agfl_bno[]; /* actually XFS_AGFL_SIZE(mp) */
} xfs_agfl_t;
+#define XFS_AGFL_CRC_OFF offsetof(struct xfs_agfl, agfl_crc)
+
/*
* tags for inode radix tree
*/
diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index 9eab2df..72ea855 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -486,7 +486,7 @@ xfs_agfl_read_verify(
return;
agfl_ok = xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_agfl, agfl_crc));
+ XFS_AGFL_CRC_OFF);
agfl_ok = agfl_ok && xfs_agfl_verify(bp);
@@ -516,8 +516,7 @@ xfs_agfl_write_verify(
if (bip)
XFS_BUF_TO_AGFL(bp)->agfl_lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_agfl, agfl_crc));
+ xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_AGFL_CRC_OFF);
}
const struct xfs_buf_ops xfs_agfl_buf_ops = {
@@ -2242,7 +2241,7 @@ xfs_agf_read_verify(
if (xfs_sb_version_hascrc(&mp->m_sb))
agf_ok = xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_agf, agf_crc));
+ XFS_AGF_CRC_OFF);
agf_ok = agf_ok && xfs_agf_verify(mp, bp);
@@ -2272,8 +2271,7 @@ xfs_agf_write_verify(
if (bip)
XFS_BUF_TO_AGF(bp)->agf_lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_agf, agf_crc));
+ xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_AGF_CRC_OFF);
}
const struct xfs_buf_ops xfs_agf_buf_ops = {
diff --git a/fs/xfs/xfs_dinode.h b/fs/xfs/xfs_dinode.h
index e5869b5..623bbe8 100644
--- a/fs/xfs/xfs_dinode.h
+++ b/fs/xfs/xfs_dinode.h
@@ -89,6 +89,8 @@ typedef struct xfs_dinode {
/* structure must be padded to 64 bit alignment */
} xfs_dinode_t;
+#define XFS_DINODE_CRC_OFF offsetof(struct xfs_dinode, di_crc)
+
#define DI_MAX_FLUSH 0xffff
/*
diff --git a/fs/xfs/xfs_format.h b/fs/xfs/xfs_format.h
index b6ab5a3..9898f31 100644
--- a/fs/xfs/xfs_format.h
+++ b/fs/xfs/xfs_format.h
@@ -145,6 +145,8 @@ struct xfs_dsymlink_hdr {
__be64 sl_lsn;
};
+#define XFS_SYMLINK_CRC_OFF offsetof(struct xfs_dsymlink_hdr, sl_crc)
+
/*
* The maximum pathlen is 1024 bytes. Since the minimum file system
* blocksize is 512 bytes, we can get a max of 3 extents back from
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index 5d7f105..d79210b 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -1572,7 +1572,7 @@ xfs_agi_read_verify(
if (xfs_sb_version_hascrc(&mp->m_sb))
agi_ok = xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_agi, agi_crc));
+ XFS_AGI_CRC_OFF);
agi_ok = agi_ok && xfs_agi_verify(bp);
if (unlikely(XFS_TEST_ERROR(!agi_ok, mp, XFS_ERRTAG_IALLOC_READ_AGI,
@@ -1600,8 +1600,7 @@ xfs_agi_write_verify(
if (bip)
XFS_BUF_TO_AGI(bp)->agi_lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_agi, agi_crc));
+ xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_AGI_CRC_OFF);
}
const struct xfs_buf_ops xfs_agi_buf_ops = {
diff --git a/fs/xfs/xfs_inode_buf.c b/fs/xfs/xfs_inode_buf.c
index 4fc9f39..606b43a 100644
--- a/fs/xfs/xfs_inode_buf.c
+++ b/fs/xfs/xfs_inode_buf.c
@@ -306,7 +306,7 @@ xfs_dinode_verify(
if (!xfs_sb_version_hascrc(&mp->m_sb))
return false;
if (!xfs_verify_cksum((char *)dip, mp->m_sb.sb_inodesize,
- offsetof(struct xfs_dinode, di_crc)))
+ XFS_DINODE_CRC_OFF))
return false;
if (be64_to_cpu(dip->di_ino) != ip->i_ino)
return false;
@@ -327,7 +327,7 @@ xfs_dinode_calc_crc(
ASSERT(xfs_sb_version_hascrc(&mp->m_sb));
crc = xfs_start_cksum((char *)dip, mp->m_sb.sb_inodesize,
- offsetof(struct xfs_dinode, di_crc));
+ XFS_DINODE_CRC_OFF);
dip->di_crc = xfs_end_cksum(crc);
}
diff --git a/fs/xfs/xfs_sb.c b/fs/xfs/xfs_sb.c
index efaef71..1c6dc6d 100644
--- a/fs/xfs/xfs_sb.c
+++ b/fs/xfs/xfs_sb.c
@@ -611,7 +611,7 @@ xfs_sb_read_verify(
dsb->sb_crc != 0)) {
if (!xfs_verify_cksum(bp->b_addr, be16_to_cpu(dsb->sb_sectsize),
- offsetof(struct xfs_sb, sb_crc))) {
+ XFS_SB_CRC_OFF)) {
/* Only fail bad secondaries on a known V5 filesystem */
if (bp->b_bn != XFS_SB_DADDR &&
xfs_sb_version_hascrc(&mp->m_sb)) {
@@ -675,8 +675,7 @@ xfs_sb_write_verify(
if (bip)
XFS_BUF_TO_SBP(bp)->sb_lsn = cpu_to_be64(bip->bli_item.li_lsn);
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_sb, sb_crc));
+ xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_SB_CRC_OFF);
}
const struct xfs_buf_ops xfs_sb_buf_ops = {
diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h
index 35061d4..f7b2fe7 100644
--- a/fs/xfs/xfs_sb.h
+++ b/fs/xfs/xfs_sb.h
@@ -182,6 +182,8 @@ typedef struct xfs_sb {
/* must be padded to 64 bit alignment */
} xfs_sb_t;
+#define XFS_SB_CRC_OFF offsetof(struct xfs_sb, sb_crc)
+
/*
* Superblock - on disk version. Must match the in core version above.
* Must be padded to 64 bit alignment.
diff --git a/fs/xfs/xfs_symlink_remote.c b/fs/xfs/xfs_symlink_remote.c
index bf59a2b..7a705a4 100644
--- a/fs/xfs/xfs_symlink_remote.c
+++ b/fs/xfs/xfs_symlink_remote.c
@@ -134,7 +134,7 @@ xfs_symlink_read_verify(
return;
if (!xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_dsymlink_hdr, sl_crc)) ||
+ XFS_SYMLINK_CRC_OFF) ||
!xfs_symlink_verify(bp)) {
XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
xfs_buf_ioerror(bp, EFSCORRUPTED);
@@ -162,8 +162,7 @@ xfs_symlink_write_verify(
struct xfs_dsymlink_hdr *dsl = bp->b_addr;
dsl->sl_lsn = cpu_to_be64(bip->bli_item.li_lsn);
}
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
- offsetof(struct xfs_dsymlink_hdr, sl_crc));
+ xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_SYMLINK_CRC_OFF);
}
const struct xfs_buf_ops xfs_symlink_buf_ops = {
-- 1.7.1
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