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xfs: add verifier callback to directory read code

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Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Phil White <pwhite@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Dave Chinner
2012-11-12 22:54:10 +11:00
committed by Ben Myers
parent c631919870
commit 4bb20a83a2
8 changed files with 102 additions and 91 deletions
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44
fs/xfs/xfs_da_btree.c
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@@ -747,7 +747,7 @@ xfs_da_root_join(xfs_da_state_t *state, xfs_da_state_blk_t *root_blk)
child = be32_to_cpu(oldroot->btree[0].before);
ASSERT(child != 0);
error = xfs_da_read_buf(args->trans, args->dp, child, -1, &bp,
args->whichfork);
args->whichfork, NULL);
if (error)
return(error);
ASSERT(bp != NULL);
@@ -838,7 +838,8 @@ xfs_da_node_toosmall(xfs_da_state_t *state, int *action)
if (blkno == 0)
continue;
error = xfs_da_read_buf(state->args->trans, state->args->dp,
blkno, -1, &bp, state->args->whichfork);
blkno, -1, &bp, state->args->whichfork,
NULL);
if (error)
return(error);
ASSERT(bp != NULL);
@@ -1084,7 +1085,7 @@ xfs_da_node_lookup_int(xfs_da_state_t *state, int *result)
*/
blk->blkno = blkno;
error = xfs_da_read_buf(args->trans, args->dp, blkno,
-1, &blk->bp, args->whichfork);
-1, &blk->bp, args->whichfork, NULL);
if (error) {
blk->blkno = 0;
state->path.active--;
@@ -1247,7 +1248,7 @@ xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk,
if (old_info->back) {
error = xfs_da_read_buf(args->trans, args->dp,
be32_to_cpu(old_info->back),
-1, &bp, args->whichfork);
-1, &bp, args->whichfork, NULL);
if (error)
return(error);
ASSERT(bp != NULL);
@@ -1268,7 +1269,7 @@ xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk,
if (old_info->forw) {
error = xfs_da_read_buf(args->trans, args->dp,
be32_to_cpu(old_info->forw),
-1, &bp, args->whichfork);
-1, &bp, args->whichfork, NULL);
if (error)
return(error);
ASSERT(bp != NULL);
@@ -1368,7 +1369,7 @@ xfs_da_blk_unlink(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
if (drop_info->back) {
error = xfs_da_read_buf(args->trans, args->dp,
be32_to_cpu(drop_info->back),
-1, &bp, args->whichfork);
-1, &bp, args->whichfork, NULL);
if (error)
return(error);
ASSERT(bp != NULL);
@@ -1385,7 +1386,7 @@ xfs_da_blk_unlink(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
if (drop_info->forw) {
error = xfs_da_read_buf(args->trans, args->dp,
be32_to_cpu(drop_info->forw),
-1, &bp, args->whichfork);
-1, &bp, args->whichfork, NULL);
if (error)
return(error);
ASSERT(bp != NULL);
@@ -1470,7 +1471,7 @@ xfs_da_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path,
*/
blk->blkno = blkno;
error = xfs_da_read_buf(args->trans, args->dp, blkno, -1,
&blk->bp, args->whichfork);
&blk->bp, args->whichfork, NULL);
if (error)
return(error);
ASSERT(blk->bp != NULL);
@@ -1733,7 +1734,8 @@ xfs_da_swap_lastblock(
* Read the last block in the btree space.
*/
last_blkno = (xfs_dablk_t)lastoff - mp->m_dirblkfsbs;
if ((error = xfs_da_read_buf(tp, ip, last_blkno, -1, &last_buf, w)))
error = xfs_da_read_buf(tp, ip, last_blkno, -1, &last_buf, w, NULL);
if (error)
return error;
/*
* Copy the last block into the dead buffer and log it.
@@ -1759,7 +1761,9 @@ xfs_da_swap_lastblock(
* If the moved block has a left sibling, fix up the pointers.
*/
if ((sib_blkno = be32_to_cpu(dead_info->back))) {
if ((error = xfs_da_read_buf(tp, ip, sib_blkno, -1, &sib_buf, w)))
error = xfs_da_read_buf(tp, ip, sib_blkno, -1, &sib_buf, w,
NULL);
if (error)
goto done;
sib_info = sib_buf->b_addr;
if (unlikely(
@@ -1780,7 +1784,9 @@ xfs_da_swap_lastblock(
* If the moved block has a right sibling, fix up the pointers.
*/
if ((sib_blkno = be32_to_cpu(dead_info->forw))) {
if ((error = xfs_da_read_buf(tp, ip, sib_blkno, -1, &sib_buf, w)))
error = xfs_da_read_buf(tp, ip, sib_blkno, -1, &sib_buf, w,
NULL);
if (error)
goto done;
sib_info = sib_buf->b_addr;
if (unlikely(
@@ -1803,7 +1809,9 @@ xfs_da_swap_lastblock(
* Walk down the tree looking for the parent of the moved block.
*/
for (;;) {
if ((error = xfs_da_read_buf(tp, ip, par_blkno, -1, &par_buf, w)))
error = xfs_da_read_buf(tp, ip, par_blkno, -1, &par_buf, w,
NULL);
if (error)
goto done;
par_node = par_buf->b_addr;
if (unlikely(par_node->hdr.info.magic !=
@@ -1853,7 +1861,9 @@ xfs_da_swap_lastblock(
error = XFS_ERROR(EFSCORRUPTED);
goto done;
}
if ((error = xfs_da_read_buf(tp, ip, par_blkno, -1, &par_buf, w)))
error = xfs_da_read_buf(tp, ip, par_blkno, -1, &par_buf, w,
NULL);
if (error)
goto done;
par_node = par_buf->b_addr;
if (unlikely(
@@ -2139,7 +2149,8 @@ xfs_da_read_buf(
xfs_dablk_t bno,
xfs_daddr_t mappedbno,
struct xfs_buf **bpp,
int whichfork)
int whichfork,
xfs_buf_iodone_t verifier)
{
struct xfs_buf *bp;
struct xfs_buf_map map;
@@ -2161,7 +2172,7 @@ xfs_da_read_buf(
error = xfs_trans_read_buf_map(dp->i_mount, trans,
dp->i_mount->m_ddev_targp,
mapp, nmap, 0, &bp, NULL);
mapp, nmap, 0, &bp, verifier);
if (error)
goto out_free;
@@ -2217,7 +2228,8 @@ xfs_da_reada_buf(
struct xfs_trans *trans,
struct xfs_inode *dp,
xfs_dablk_t bno,
int whichfork)
int whichfork,
xfs_buf_iodone_t verifier)
{
xfs_daddr_t mappedbno = -1;
struct xfs_buf_map map;