From ca14c0968c1f693ab4bcb5368c800c33e7a2ad7e Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Thu, 22 Feb 2024 12:32:18 -0800 Subject: [PATCH] xfs: report dir/attr block corruption errors to the health system Whenever we encounter corrupt directory or extended attribute blocks, we should report that to the health monitoring system for later reporting. Signed-off-by: Darrick J. Wong Reviewed-by: Christoph Hellwig --- fs/xfs/libxfs/xfs_attr_leaf.c | 4 ++++ fs/xfs/libxfs/xfs_attr_remote.c | 27 +++++++++++++---------- fs/xfs/libxfs/xfs_da_btree.c | 37 ++++++++++++++++++++++++++----- fs/xfs/libxfs/xfs_dir2.c | 5 ++++- fs/xfs/libxfs/xfs_dir2_block.c | 2 ++ fs/xfs/libxfs/xfs_dir2_data.c | 3 +++ fs/xfs/libxfs/xfs_dir2_leaf.c | 3 +++ fs/xfs/libxfs/xfs_dir2_node.c | 7 ++++++ fs/xfs/libxfs/xfs_health.h | 3 +++ fs/xfs/xfs_attr_inactive.c | 4 ++++ fs/xfs/xfs_attr_list.c | 9 +++++++- fs/xfs/xfs_health.c | 39 +++++++++++++++++++++++++++++++++ 12 files changed, 125 insertions(+), 18 deletions(-) diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c index 192d9938a231..ac904cc1a97b 100644 --- a/fs/xfs/libxfs/xfs_attr_leaf.c +++ b/fs/xfs/libxfs/xfs_attr_leaf.c @@ -29,6 +29,7 @@ #include "xfs_log.h" #include "xfs_ag.h" #include "xfs_errortag.h" +#include "xfs_health.h" /* @@ -2343,6 +2344,7 @@ xfs_attr3_leaf_lookup_int( entries = xfs_attr3_leaf_entryp(leaf); if (ichdr.count >= args->geo->blksize / 8) { xfs_buf_mark_corrupt(bp); + xfs_da_mark_sick(args); return -EFSCORRUPTED; } @@ -2362,10 +2364,12 @@ xfs_attr3_leaf_lookup_int( } if (!(probe >= 0 && (!ichdr.count || probe < ichdr.count))) { xfs_buf_mark_corrupt(bp); + xfs_da_mark_sick(args); return -EFSCORRUPTED; } if (!(span <= 4 || be32_to_cpu(entry->hashval) == hashval)) { xfs_buf_mark_corrupt(bp); + xfs_da_mark_sick(args); return -EFSCORRUPTED; } diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c index 1c007ebf153a..43d66fbbdf6f 100644 --- a/fs/xfs/libxfs/xfs_attr_remote.c +++ b/fs/xfs/libxfs/xfs_attr_remote.c @@ -22,6 +22,7 @@ #include "xfs_attr_remote.h" #include "xfs_trace.h" #include "xfs_error.h" +#include "xfs_health.h" #define ATTR_RMTVALUE_MAPSIZE 1 /* # of map entries at once */ @@ -276,17 +277,18 @@ xfs_attr3_rmt_hdr_set( */ STATIC int xfs_attr_rmtval_copyout( - struct xfs_mount *mp, - struct xfs_buf *bp, - xfs_ino_t ino, - int *offset, - int *valuelen, - uint8_t **dst) + struct xfs_mount *mp, + struct xfs_buf *bp, + struct xfs_inode *dp, + int *offset, + int *valuelen, + uint8_t **dst) { - char *src = bp->b_addr; - xfs_daddr_t bno = xfs_buf_daddr(bp); - int len = BBTOB(bp->b_length); - int blksize = mp->m_attr_geo->blksize; + char *src = bp->b_addr; + xfs_ino_t ino = dp->i_ino; + xfs_daddr_t bno = xfs_buf_daddr(bp); + int len = BBTOB(bp->b_length); + int blksize = mp->m_attr_geo->blksize; ASSERT(len >= blksize); @@ -302,6 +304,7 @@ xfs_attr_rmtval_copyout( xfs_alert(mp, "remote attribute header mismatch bno/off/len/owner (0x%llx/0x%x/Ox%x/0x%llx)", bno, *offset, byte_cnt, ino); + xfs_dirattr_mark_sick(dp, XFS_ATTR_FORK); return -EFSCORRUPTED; } hdr_size = sizeof(struct xfs_attr3_rmt_hdr); @@ -418,10 +421,12 @@ xfs_attr_rmtval_get( dblkcnt = XFS_FSB_TO_BB(mp, map[i].br_blockcount); error = xfs_buf_read(mp->m_ddev_targp, dblkno, dblkcnt, 0, &bp, &xfs_attr3_rmt_buf_ops); + if (xfs_metadata_is_sick(error)) + xfs_dirattr_mark_sick(args->dp, XFS_ATTR_FORK); if (error) return error; - error = xfs_attr_rmtval_copyout(mp, bp, args->dp->i_ino, + error = xfs_attr_rmtval_copyout(mp, bp, args->dp, &offset, &valuelen, &dst); xfs_buf_relse(bp); diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c index 444ec1560f43..718d071bb21a 100644 --- a/fs/xfs/libxfs/xfs_da_btree.c +++ b/fs/xfs/libxfs/xfs_da_btree.c @@ -23,6 +23,7 @@ #include "xfs_buf_item.h" #include "xfs_log.h" #include "xfs_errortag.h" +#include "xfs_health.h" /* * xfs_da_btree.c @@ -353,6 +354,8 @@ const struct xfs_buf_ops xfs_da3_node_buf_ops = { static int xfs_da3_node_set_type( struct xfs_trans *tp, + struct xfs_inode *dp, + int whichfork, struct xfs_buf *bp) { struct xfs_da_blkinfo *info = bp->b_addr; @@ -374,6 +377,7 @@ xfs_da3_node_set_type( XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, tp->t_mountp, info, sizeof(*info)); xfs_trans_brelse(tp, bp); + xfs_dirattr_mark_sick(dp, whichfork); return -EFSCORRUPTED; } } @@ -392,7 +396,7 @@ xfs_da3_node_read( &xfs_da3_node_buf_ops); if (error || !*bpp || !tp) return error; - return xfs_da3_node_set_type(tp, *bpp); + return xfs_da3_node_set_type(tp, dp, whichfork, *bpp); } int @@ -409,6 +413,8 @@ xfs_da3_node_read_mapped( error = xfs_trans_read_buf(mp, tp, mp->m_ddev_targp, mappedbno, XFS_FSB_TO_BB(mp, xfs_dabuf_nfsb(mp, whichfork)), 0, bpp, &xfs_da3_node_buf_ops); + if (xfs_metadata_is_sick(error)) + xfs_dirattr_mark_sick(dp, whichfork); if (error || !*bpp) return error; @@ -419,7 +425,7 @@ xfs_da3_node_read_mapped( if (!tp) return 0; - return xfs_da3_node_set_type(tp, *bpp); + return xfs_da3_node_set_type(tp, dp, whichfork, *bpp); } /* @@ -632,6 +638,7 @@ xfs_da3_split( if (node->hdr.info.forw) { if (be32_to_cpu(node->hdr.info.forw) != addblk->blkno) { xfs_buf_mark_corrupt(oldblk->bp); + xfs_da_mark_sick(state->args); error = -EFSCORRUPTED; goto out; } @@ -645,6 +652,7 @@ xfs_da3_split( if (node->hdr.info.back) { if (be32_to_cpu(node->hdr.info.back) != addblk->blkno) { xfs_buf_mark_corrupt(oldblk->bp); + xfs_da_mark_sick(state->args); error = -EFSCORRUPTED; goto out; } @@ -1636,6 +1644,7 @@ xfs_da3_node_lookup_int( if (magic != XFS_DA_NODE_MAGIC && magic != XFS_DA3_NODE_MAGIC) { xfs_buf_mark_corrupt(blk->bp); + xfs_da_mark_sick(args); return -EFSCORRUPTED; } @@ -1651,6 +1660,7 @@ xfs_da3_node_lookup_int( /* Tree taller than we can handle; bail out! */ if (nodehdr.level >= XFS_DA_NODE_MAXDEPTH) { xfs_buf_mark_corrupt(blk->bp); + xfs_da_mark_sick(args); return -EFSCORRUPTED; } @@ -1659,6 +1669,7 @@ xfs_da3_node_lookup_int( expected_level = nodehdr.level - 1; else if (expected_level != nodehdr.level) { xfs_buf_mark_corrupt(blk->bp); + xfs_da_mark_sick(args); return -EFSCORRUPTED; } else expected_level--; @@ -1710,12 +1721,16 @@ xfs_da3_node_lookup_int( } /* We can't point back to the root. */ - if (XFS_IS_CORRUPT(dp->i_mount, blkno == args->geo->leafblk)) + if (XFS_IS_CORRUPT(dp->i_mount, blkno == args->geo->leafblk)) { + xfs_da_mark_sick(args); return -EFSCORRUPTED; + } } - if (XFS_IS_CORRUPT(dp->i_mount, expected_level != 0)) + if (XFS_IS_CORRUPT(dp->i_mount, expected_level != 0)) { + xfs_da_mark_sick(args); return -EFSCORRUPTED; + } /* * A leaf block that ends in the hashval that we are interested in @@ -1733,6 +1748,7 @@ xfs_da3_node_lookup_int( args->blkno = blk->blkno; } else { ASSERT(0); + xfs_da_mark_sick(args); return -EFSCORRUPTED; } if (((retval == -ENOENT) || (retval == -ENOATTR)) && @@ -2299,8 +2315,10 @@ xfs_da3_swap_lastblock( error = xfs_bmap_last_before(tp, dp, &lastoff, w); if (error) return error; - if (XFS_IS_CORRUPT(mp, lastoff == 0)) + if (XFS_IS_CORRUPT(mp, lastoff == 0)) { + xfs_da_mark_sick(args); return -EFSCORRUPTED; + } /* * Read the last block in the btree space. */ @@ -2350,6 +2368,7 @@ xfs_da3_swap_lastblock( if (XFS_IS_CORRUPT(mp, be32_to_cpu(sib_info->forw) != last_blkno || sib_info->magic != dead_info->magic)) { + xfs_da_mark_sick(args); error = -EFSCORRUPTED; goto done; } @@ -2370,6 +2389,7 @@ xfs_da3_swap_lastblock( if (XFS_IS_CORRUPT(mp, be32_to_cpu(sib_info->back) != last_blkno || sib_info->magic != dead_info->magic)) { + xfs_da_mark_sick(args); error = -EFSCORRUPTED; goto done; } @@ -2392,6 +2412,7 @@ xfs_da3_swap_lastblock( xfs_da3_node_hdr_from_disk(dp->i_mount, &par_hdr, par_node); if (XFS_IS_CORRUPT(mp, level >= 0 && level != par_hdr.level + 1)) { + xfs_da_mark_sick(args); error = -EFSCORRUPTED; goto done; } @@ -2403,6 +2424,7 @@ xfs_da3_swap_lastblock( entno++) continue; if (XFS_IS_CORRUPT(mp, entno == par_hdr.count)) { + xfs_da_mark_sick(args); error = -EFSCORRUPTED; goto done; } @@ -2428,6 +2450,7 @@ xfs_da3_swap_lastblock( xfs_trans_brelse(tp, par_buf); par_buf = NULL; if (XFS_IS_CORRUPT(mp, par_blkno == 0)) { + xfs_da_mark_sick(args); error = -EFSCORRUPTED; goto done; } @@ -2437,6 +2460,7 @@ xfs_da3_swap_lastblock( par_node = par_buf->b_addr; xfs_da3_node_hdr_from_disk(dp->i_mount, &par_hdr, par_node); if (XFS_IS_CORRUPT(mp, par_hdr.level != level)) { + xfs_da_mark_sick(args); error = -EFSCORRUPTED; goto done; } @@ -2567,6 +2591,7 @@ out_free_irecs: invalid_mapping: /* Caller ok with no mapping. */ if (XFS_IS_CORRUPT(mp, !(flags & XFS_DABUF_MAP_HOLE_OK))) { + xfs_dirattr_mark_sick(dp, whichfork); error = -EFSCORRUPTED; if (xfs_error_level >= XFS_ERRLEVEL_LOW) { xfs_alert(mp, "%s: bno %u inode %llu", @@ -2648,6 +2673,8 @@ xfs_da_read_buf( error = xfs_trans_read_buf_map(mp, tp, mp->m_ddev_targp, mapp, nmap, 0, &bp, ops); + if (xfs_metadata_is_sick(error)) + xfs_dirattr_mark_sick(dp, whichfork); if (error) goto out_free; diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index 9018abb38d7f..4821519efad4 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -18,6 +18,7 @@ #include "xfs_errortag.h" #include "xfs_error.h" #include "xfs_trace.h" +#include "xfs_health.h" const struct xfs_name xfs_name_dotdot = { .name = (const unsigned char *)"..", @@ -626,8 +627,10 @@ xfs_dir2_isblock( return 0; *isblock = true; - if (XFS_IS_CORRUPT(mp, args->dp->i_disk_size != args->geo->blksize)) + if (XFS_IS_CORRUPT(mp, args->dp->i_disk_size != args->geo->blksize)) { + xfs_da_mark_sick(args); return -EFSCORRUPTED; + } return 0; } diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c index fde46081a824..a2da007adb46 100644 --- a/fs/xfs/libxfs/xfs_dir2_block.c +++ b/fs/xfs/libxfs/xfs_dir2_block.c @@ -20,6 +20,7 @@ #include "xfs_error.h" #include "xfs_trace.h" #include "xfs_log.h" +#include "xfs_health.h" /* * Local function prototypes. @@ -152,6 +153,7 @@ xfs_dir3_block_read( __xfs_buf_mark_corrupt(*bpp, fa); xfs_trans_brelse(tp, *bpp); *bpp = NULL; + xfs_dirattr_mark_sick(dp, XFS_DATA_FORK); return -EFSCORRUPTED; } diff --git a/fs/xfs/libxfs/xfs_dir2_data.c b/fs/xfs/libxfs/xfs_dir2_data.c index dbcf58979a59..7a6d965bea71 100644 --- a/fs/xfs/libxfs/xfs_dir2_data.c +++ b/fs/xfs/libxfs/xfs_dir2_data.c @@ -18,6 +18,7 @@ #include "xfs_trans.h" #include "xfs_buf_item.h" #include "xfs_log.h" +#include "xfs_health.h" static xfs_failaddr_t xfs_dir2_data_freefind_verify( struct xfs_dir2_data_hdr *hdr, struct xfs_dir2_data_free *bf, @@ -433,6 +434,7 @@ xfs_dir3_data_read( __xfs_buf_mark_corrupt(*bpp, fa); xfs_trans_brelse(tp, *bpp); *bpp = NULL; + xfs_dirattr_mark_sick(dp, XFS_DATA_FORK); return -EFSCORRUPTED; } @@ -1198,6 +1200,7 @@ xfs_dir2_data_use_free( corrupt: xfs_corruption_error(__func__, XFS_ERRLEVEL_LOW, args->dp->i_mount, hdr, sizeof(*hdr), __FILE__, __LINE__, fa); + xfs_da_mark_sick(args); return -EFSCORRUPTED; } diff --git a/fs/xfs/libxfs/xfs_dir2_leaf.c b/fs/xfs/libxfs/xfs_dir2_leaf.c index cb9e950a911d..08dda5ce9d91 100644 --- a/fs/xfs/libxfs/xfs_dir2_leaf.c +++ b/fs/xfs/libxfs/xfs_dir2_leaf.c @@ -19,6 +19,7 @@ #include "xfs_trace.h" #include "xfs_trans.h" #include "xfs_buf_item.h" +#include "xfs_health.h" /* * Local function declarations. @@ -1393,8 +1394,10 @@ xfs_dir2_leaf_removename( bestsp = xfs_dir2_leaf_bests_p(ltp); if (be16_to_cpu(bestsp[db]) != oldbest) { xfs_buf_mark_corrupt(lbp); + xfs_da_mark_sick(args); return -EFSCORRUPTED; } + /* * Mark the former data entry unused. */ diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c index 7a03aeb9f4c9..be0b8834028c 100644 --- a/fs/xfs/libxfs/xfs_dir2_node.c +++ b/fs/xfs/libxfs/xfs_dir2_node.c @@ -20,6 +20,7 @@ #include "xfs_trans.h" #include "xfs_buf_item.h" #include "xfs_log.h" +#include "xfs_health.h" /* * Function declarations. @@ -231,6 +232,7 @@ __xfs_dir3_free_read( __xfs_buf_mark_corrupt(*bpp, fa); xfs_trans_brelse(tp, *bpp); *bpp = NULL; + xfs_dirattr_mark_sick(dp, XFS_DATA_FORK); return -EFSCORRUPTED; } @@ -443,6 +445,7 @@ xfs_dir2_leaf_to_node( if (be32_to_cpu(ltp->bestcount) > (uint)dp->i_disk_size / args->geo->blksize) { xfs_buf_mark_corrupt(lbp); + xfs_da_mark_sick(args); return -EFSCORRUPTED; } @@ -517,6 +520,7 @@ xfs_dir2_leafn_add( */ if (index < 0) { xfs_buf_mark_corrupt(bp); + xfs_da_mark_sick(args); return -EFSCORRUPTED; } @@ -736,6 +740,7 @@ xfs_dir2_leafn_lookup_for_addname( cpu_to_be16(NULLDATAOFF))) { if (curfdb != newfdb) xfs_trans_brelse(tp, curbp); + xfs_da_mark_sick(args); return -EFSCORRUPTED; } curfdb = newfdb; @@ -804,6 +809,7 @@ xfs_dir2_leafn_lookup_for_entry( xfs_dir3_leaf_check(dp, bp); if (leafhdr.count <= 0) { xfs_buf_mark_corrupt(bp); + xfs_da_mark_sick(args); return -EFSCORRUPTED; } @@ -1739,6 +1745,7 @@ xfs_dir2_node_add_datablk( } else { xfs_alert(mp, " ... fblk is NULL"); } + xfs_da_mark_sick(args); return -EFSCORRUPTED; } diff --git a/fs/xfs/libxfs/xfs_health.h b/fs/xfs/libxfs/xfs_health.h index 8f566a78737f..ff98c03212b8 100644 --- a/fs/xfs/libxfs/xfs_health.h +++ b/fs/xfs/libxfs/xfs_health.h @@ -38,6 +38,7 @@ struct xfs_perag; struct xfs_inode; struct xfs_fsop_geom; struct xfs_btree_cur; +struct xfs_da_args; /* Observable health issues for metadata spanning the entire filesystem. */ #define XFS_SICK_FS_COUNTERS (1 << 0) /* summary counters */ @@ -162,6 +163,8 @@ void xfs_inode_measure_sickness(struct xfs_inode *ip, unsigned int *sick, void xfs_health_unmount(struct xfs_mount *mp); void xfs_bmap_mark_sick(struct xfs_inode *ip, int whichfork); void xfs_btree_mark_sick(struct xfs_btree_cur *cur); +void xfs_dirattr_mark_sick(struct xfs_inode *ip, int whichfork); +void xfs_da_mark_sick(struct xfs_da_args *args); /* Now some helpers. */ diff --git a/fs/xfs/xfs_attr_inactive.c b/fs/xfs/xfs_attr_inactive.c index 89c7a9f4f930..24fb12986a56 100644 --- a/fs/xfs/xfs_attr_inactive.c +++ b/fs/xfs/xfs_attr_inactive.c @@ -23,6 +23,7 @@ #include "xfs_quota.h" #include "xfs_dir2.h" #include "xfs_error.h" +#include "xfs_health.h" /* * Invalidate any incore buffers associated with this remote attribute value @@ -147,6 +148,7 @@ xfs_attr3_node_inactive( if (level > XFS_DA_NODE_MAXDEPTH) { xfs_buf_mark_corrupt(bp); xfs_trans_brelse(*trans, bp); /* no locks for later trans */ + xfs_dirattr_mark_sick(dp, XFS_ATTR_FORK); return -EFSCORRUPTED; } @@ -197,6 +199,7 @@ xfs_attr3_node_inactive( default: xfs_buf_mark_corrupt(child_bp); xfs_trans_brelse(*trans, child_bp); + xfs_dirattr_mark_sick(dp, XFS_ATTR_FORK); error = -EFSCORRUPTED; break; } @@ -286,6 +289,7 @@ xfs_attr3_root_inactive( error = xfs_attr3_leaf_inactive(trans, dp, bp); break; default: + xfs_dirattr_mark_sick(dp, XFS_ATTR_FORK); error = -EFSCORRUPTED; xfs_buf_mark_corrupt(bp); xfs_trans_brelse(*trans, bp); diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c index 56021403f447..0ca4dc62f814 100644 --- a/fs/xfs/xfs_attr_list.c +++ b/fs/xfs/xfs_attr_list.c @@ -22,6 +22,7 @@ #include "xfs_error.h" #include "xfs_trace.h" #include "xfs_dir2.h" +#include "xfs_health.h" STATIC int xfs_attr_shortform_compare(const void *a, const void *b) @@ -125,6 +126,7 @@ xfs_attr_shortform_list( context->dp->i_mount, sfe, sizeof(*sfe)); kfree(sbuf); + xfs_dirattr_mark_sick(dp, XFS_ATTR_FORK); return -EFSCORRUPTED; } @@ -262,8 +264,10 @@ xfs_attr_node_list_lookup( return 0; /* We can't point back to the root. */ - if (XFS_IS_CORRUPT(mp, cursor->blkno == 0)) + if (XFS_IS_CORRUPT(mp, cursor->blkno == 0)) { + xfs_dirattr_mark_sick(dp, XFS_ATTR_FORK); return -EFSCORRUPTED; + } } if (expected_level != 0) @@ -275,6 +279,7 @@ xfs_attr_node_list_lookup( out_corruptbuf: xfs_buf_mark_corrupt(bp); xfs_trans_brelse(tp, bp); + xfs_dirattr_mark_sick(dp, XFS_ATTR_FORK); return -EFSCORRUPTED; } @@ -304,6 +309,8 @@ xfs_attr_node_list( if (cursor->blkno > 0) { error = xfs_da3_node_read(context->tp, dp, cursor->blkno, &bp, XFS_ATTR_FORK); + if (xfs_metadata_is_sick(error)) + xfs_dirattr_mark_sick(dp, XFS_ATTR_FORK); if ((error != 0) && (error != -EFSCORRUPTED)) return error; if (bp) { diff --git a/fs/xfs/xfs_health.c b/fs/xfs/xfs_health.c index e9338c05ea23..568300ae8555 100644 --- a/fs/xfs/xfs_health.c +++ b/fs/xfs/xfs_health.c @@ -15,6 +15,8 @@ #include "xfs_health.h" #include "xfs_ag.h" #include "xfs_btree.h" +#include "xfs_da_format.h" +#include "xfs_da_btree.h" /* * Warn about metadata corruption that we detected but haven't fixed, and @@ -545,3 +547,40 @@ xfs_btree_mark_sick( xfs_ag_mark_sick(cur->bc_ag.pag, mask); } + +/* + * Record observations of dir/attr btree corruption with the health tracking + * system. + */ +void +xfs_dirattr_mark_sick( + struct xfs_inode *ip, + int whichfork) +{ + unsigned int mask; + + switch (whichfork) { + case XFS_DATA_FORK: + mask = XFS_SICK_INO_DIR; + break; + case XFS_ATTR_FORK: + mask = XFS_SICK_INO_XATTR; + break; + default: + ASSERT(0); + return; + } + + xfs_inode_mark_sick(ip, mask); +} + +/* + * Record observations of dir/attr btree corruption with the health tracking + * system. + */ +void +xfs_da_mark_sick( + struct xfs_da_args *args) +{ + xfs_dirattr_mark_sick(args->dp, args->whichfork); +}