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xfs: add helper for updating checksums on xfs_bufs

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Many/most callers of xfs_update_cksum() pass bp->b_addr and
BBTOB(bp->b_length) as the first 2 args.  Add a helper
which can just accept the bp and the crc offset, and work
it out on its own, for brevity.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Eric Sandeen 2014-02-27 15:18:23 +11:00 committed by Dave Chinner
parent 5158217058
commit f1dbcd7e38
12 changed files with 20 additions and 15 deletions
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4
fs/xfs/xfs_alloc.c
View File

@ -515,7 +515,7 @@ xfs_agfl_write_verify(
if (bip) if (bip)
XFS_BUF_TO_AGFL(bp)->agfl_lsn = cpu_to_be64(bip->bli_item.li_lsn); 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), XFS_AGFL_CRC_OFF); xfs_buf_update_cksum(bp, XFS_AGFL_CRC_OFF);
} }
const struct xfs_buf_ops xfs_agfl_buf_ops = { const struct xfs_buf_ops xfs_agfl_buf_ops = {
@ -2269,7 +2269,7 @@ xfs_agf_write_verify(
if (bip) if (bip)
XFS_BUF_TO_AGF(bp)->agf_lsn = cpu_to_be64(bip->bli_item.li_lsn); 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), XFS_AGF_CRC_OFF); xfs_buf_update_cksum(bp, XFS_AGF_CRC_OFF);
} }
const struct xfs_buf_ops xfs_agf_buf_ops = { const struct xfs_buf_ops xfs_agf_buf_ops = {

2
fs/xfs/xfs_attr_leaf.c
View File

@ -224,7 +224,7 @@ xfs_attr3_leaf_write_verify(
if (bip) if (bip)
hdr3->info.lsn = cpu_to_be64(bip->bli_item.li_lsn); hdr3->info.lsn = cpu_to_be64(bip->bli_item.li_lsn);
xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_ATTR3_LEAF_CRC_OFF); xfs_buf_update_cksum(bp, XFS_ATTR3_LEAF_CRC_OFF);
} }
/* /*

6
fs/xfs/xfs_btree.c
View File

@ -234,8 +234,7 @@ xfs_btree_lblock_calc_crc(
return; return;
if (bip) if (bip)
block->bb_u.l.bb_lsn = cpu_to_be64(bip->bli_item.li_lsn); block->bb_u.l.bb_lsn = cpu_to_be64(bip->bli_item.li_lsn);
xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), xfs_buf_update_cksum(bp, XFS_BTREE_LBLOCK_CRC_OFF);
XFS_BTREE_LBLOCK_CRC_OFF);
} }
bool bool
@ -267,8 +266,7 @@ xfs_btree_sblock_calc_crc(
return; return;
if (bip) if (bip)
block->bb_u.s.bb_lsn = cpu_to_be64(bip->bli_item.li_lsn); block->bb_u.s.bb_lsn = cpu_to_be64(bip->bli_item.li_lsn);
xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), xfs_buf_update_cksum(bp, XFS_BTREE_SBLOCK_CRC_OFF);
XFS_BTREE_SBLOCK_CRC_OFF);
} }
bool bool

7
fs/xfs/xfs_buf.h
View File

@ -376,6 +376,13 @@ xfs_buf_verify_cksum(struct xfs_buf *bp, unsigned long cksum_offset)
cksum_offset); cksum_offset);
} }
static inline void
xfs_buf_update_cksum(struct xfs_buf *bp, unsigned long cksum_offset)
{
xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
cksum_offset);
}
/* /*
* Handling of buftargs. * Handling of buftargs.
*/ */

2
fs/xfs/xfs_da_btree.c
View File

@ -196,7 +196,7 @@ xfs_da3_node_write_verify(
if (bip) if (bip)
hdr3->info.lsn = cpu_to_be64(bip->bli_item.li_lsn); hdr3->info.lsn = cpu_to_be64(bip->bli_item.li_lsn);
xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DA3_NODE_CRC_OFF); xfs_buf_update_cksum(bp, XFS_DA3_NODE_CRC_OFF);
} }
/* /*

2
fs/xfs/xfs_dir2_block.c
View File

@ -117,7 +117,7 @@ xfs_dir3_block_write_verify(
if (bip) if (bip)
hdr3->lsn = cpu_to_be64(bip->bli_item.li_lsn); hdr3->lsn = cpu_to_be64(bip->bli_item.li_lsn);
xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DIR3_DATA_CRC_OFF); xfs_buf_update_cksum(bp, XFS_DIR3_DATA_CRC_OFF);
} }
const struct xfs_buf_ops xfs_dir3_block_buf_ops = { const struct xfs_buf_ops xfs_dir3_block_buf_ops = {

2
fs/xfs/xfs_dir2_data.c
View File

@ -295,7 +295,7 @@ xfs_dir3_data_write_verify(
if (bip) if (bip)
hdr3->lsn = cpu_to_be64(bip->bli_item.li_lsn); hdr3->lsn = cpu_to_be64(bip->bli_item.li_lsn);
xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DIR3_DATA_CRC_OFF); xfs_buf_update_cksum(bp, XFS_DIR3_DATA_CRC_OFF);
} }
const struct xfs_buf_ops xfs_dir3_data_buf_ops = { const struct xfs_buf_ops xfs_dir3_data_buf_ops = {

2
fs/xfs/xfs_dir2_leaf.c
View File

@ -208,7 +208,7 @@ __write_verify(
if (bip) if (bip)
hdr3->info.lsn = cpu_to_be64(bip->bli_item.li_lsn); hdr3->info.lsn = cpu_to_be64(bip->bli_item.li_lsn);
xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DIR3_LEAF_CRC_OFF); xfs_buf_update_cksum(bp, XFS_DIR3_LEAF_CRC_OFF);
} }
static void static void

2
fs/xfs/xfs_dir2_node.c
View File

@ -143,7 +143,7 @@ xfs_dir3_free_write_verify(
if (bip) if (bip)
hdr3->lsn = cpu_to_be64(bip->bli_item.li_lsn); hdr3->lsn = cpu_to_be64(bip->bli_item.li_lsn);
xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DIR3_FREE_CRC_OFF); xfs_buf_update_cksum(bp, XFS_DIR3_FREE_CRC_OFF);
} }
const struct xfs_buf_ops xfs_dir3_free_buf_ops = { const struct xfs_buf_ops xfs_dir3_free_buf_ops = {

2
fs/xfs/xfs_ialloc.c
View File

@ -1600,7 +1600,7 @@ xfs_agi_write_verify(
if (bip) if (bip)
XFS_BUF_TO_AGI(bp)->agi_lsn = cpu_to_be64(bip->bli_item.li_lsn); 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), XFS_AGI_CRC_OFF); xfs_buf_update_cksum(bp, XFS_AGI_CRC_OFF);
} }
const struct xfs_buf_ops xfs_agi_buf_ops = { const struct xfs_buf_ops xfs_agi_buf_ops = {

2
fs/xfs/xfs_sb.c
View File

@ -673,7 +673,7 @@ xfs_sb_write_verify(
if (bip) if (bip)
XFS_BUF_TO_SBP(bp)->sb_lsn = cpu_to_be64(bip->bli_item.li_lsn); 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), XFS_SB_CRC_OFF); xfs_buf_update_cksum(bp, XFS_SB_CRC_OFF);
} }
const struct xfs_buf_ops xfs_sb_buf_ops = { const struct xfs_buf_ops xfs_sb_buf_ops = {

2
fs/xfs/xfs_symlink_remote.c
View File

@ -161,7 +161,7 @@ xfs_symlink_write_verify(
struct xfs_dsymlink_hdr *dsl = bp->b_addr; struct xfs_dsymlink_hdr *dsl = bp->b_addr;
dsl->sl_lsn = cpu_to_be64(bip->bli_item.li_lsn); dsl->sl_lsn = cpu_to_be64(bip->bli_item.li_lsn);
} }
xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_SYMLINK_CRC_OFF); xfs_buf_update_cksum(bp, XFS_SYMLINK_CRC_OFF);
} }
const struct xfs_buf_ops xfs_symlink_buf_ops = { const struct xfs_buf_ops xfs_symlink_buf_ops = {