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Improved I/O error reporting.

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This commit is contained in:
David Greenman 1994-10-25 07:06:20 +00:00
parent b2075ecc44
commit 1b119d9d17
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=3841
1 changed files with 19 additions and 5 deletions
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24
sys/vm/swap_pager.c
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@ -39,7 +39,7 @@
* from: Utah $Hdr: swap_pager.c 1.4 91/04/30$
*
* @(#)swap_pager.c 8.9 (Berkeley) 3/21/94
* $Id: swap_pager.c,v 1.14 1994/10/15 13:33:06 davidg Exp $
* $Id: swap_pager.c,v 1.15 1994/10/22 02:17:59 davidg Exp $
*/
/*
@ -1101,7 +1101,14 @@ swap_pager_input(swp, m, count, reqpage)
while ((bp->b_flags & B_DONE) == 0) {
tsleep((caddr_t)bp, PVM, "swread", 0);
}
rv = (bp->b_flags & B_ERROR) ? VM_PAGER_FAIL : VM_PAGER_OK;
if (bp->b_flags & B_ERROR) {
printf("swap_pager: I/O error - pagein failed; blkno %d, size %d, error %d\n",
bp->b_blkno, bp->b_bcount, bp->b_error);
rv = VM_PAGER_FAIL;
} else {
rv = VM_PAGER_OK;
}
bp->b_flags &= ~(B_BUSY|B_WANTED|B_PHYS|B_DIRTY|B_CALL|B_DONE);
--swp->sw_piip;
@ -1496,7 +1503,13 @@ swap_pager_output(swp, m, count, flags, rtvals)
while ((bp->b_flags & B_DONE) == 0) {
tsleep((caddr_t)bp, PVM, "swwrt", 0);
}
rv = (bp->b_flags & B_ERROR) ? VM_PAGER_FAIL : VM_PAGER_OK;
if (bp->b_flags & B_ERROR) {
printf("swap_pager: I/O error - pageout failed; blkno %d, size %d, error %d\n",
bp->b_blkno, bp->b_bcount, bp->b_error);
rv = VM_PAGER_FAIL;
} else {
rv = VM_PAGER_OK;
}
bp->b_flags &= ~(B_BUSY|B_WANTED|B_PHYS|B_DIRTY|B_CALL|B_DONE);
--swp->sw_poip;
@ -1659,8 +1672,9 @@ swap_pager_iodone(bp)
TAILQ_INSERT_TAIL(&swap_pager_done, spc, spc_list);
if (bp->b_flags & B_ERROR) {
spc->spc_flags |= SPC_ERROR;
printf("error %d blkno %lu sz %ld ",
bp->b_error, (u_long)bp->b_blkno, bp->b_bcount);
printf("swap_pager: I/O error - async %s failed; blkno %lu, size %ld, error %d",
(bp->b_flags & B_READ) ? "pagein" : "pageout",
bp->b_error, (u_long)bp->b_blkno, bp->b_bcount);
}
/*