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xfs: add helper for updating checksums on xfs_bufs 

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>
hifive-unleashed-5.1
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/xfs/xfs_alloc.c
View File

@ -515,7 +515,7 @@ 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), XFS_AGFL_CRC_OFF);
xfs_buf_update_cksum(bp, XFS_AGFL_CRC_OFF);
}
const struct xfs_buf_ops xfs_agfl_buf_ops = {
@ -2269,7 +2269,7 @@ 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), XFS_AGF_CRC_OFF);
xfs_buf_update_cksum(bp, XFS_AGF_CRC_OFF);
}
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)
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;
if (bip)
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_BTREE_LBLOCK_CRC_OFF);
xfs_buf_update_cksum(bp, XFS_BTREE_LBLOCK_CRC_OFF);
}
bool
@ -267,8 +266,7 @@ xfs_btree_sblock_calc_crc(
return;
if (bip)
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_BTREE_SBLOCK_CRC_OFF);
xfs_buf_update_cksum(bp, XFS_BTREE_SBLOCK_CRC_OFF);
}
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);
}
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.
*/

2
fs/xfs/xfs_da_btree.c
View File

@ -196,7 +196,7 @@ xfs_da3_node_write_verify(
if (bip)
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)
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 = {

2
fs/xfs/xfs_dir2_data.c
View File

@ -295,7 +295,7 @@ xfs_dir3_data_write_verify(
if (bip)
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 = {

2
fs/xfs/xfs_dir2_leaf.c
View File

@ -208,7 +208,7 @@ __write_verify(
if (bip)
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

2
fs/xfs/xfs_dir2_node.c
View File

@ -143,7 +143,7 @@ xfs_dir3_free_write_verify(
if (bip)
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 = {

2
fs/xfs/xfs_ialloc.c
View File

@ -1600,7 +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), XFS_AGI_CRC_OFF);
xfs_buf_update_cksum(bp, XFS_AGI_CRC_OFF);
}
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)
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 = {

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;
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 = {