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Allocate bio's with M_NOWAIT and let the caller deal with the problems.

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Sponsored by:	DARPA & NAI Labs.
This commit is contained in:
Poul-Henning Kamp 2002-09-27 20:53:47 +00:00
parent beece77a2d
commit a1bd3ee20c
1 changed files with 9 additions and 7 deletions
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16
sys/geom/geom_io.c
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@ -124,7 +124,7 @@ g_new_bio(void)
bp = g_bioq_first(&g_bio_idle);
if (bp == NULL)
bp = g_malloc(sizeof *bp, M_WAITOK | M_ZERO);
bp = g_malloc(sizeof *bp, M_NOWAIT | M_ZERO);
g_trace(G_T_BIO, "g_new_bio() = %p", bp);
return (bp);
}
@ -144,12 +144,14 @@ g_clone_bio(struct bio *bp)
struct bio *bp2;
bp2 = g_new_bio();
bp2->bio_linkage = bp;
bp2->bio_cmd = bp->bio_cmd;
bp2->bio_length = bp->bio_length;
bp2->bio_offset = bp->bio_offset;
bp2->bio_data = bp->bio_data;
bp2->bio_attribute = bp->bio_attribute;
if (bp2 != NULL) {
bp2->bio_linkage = bp;
bp2->bio_cmd = bp->bio_cmd;
bp2->bio_length = bp->bio_length;
bp2->bio_offset = bp->bio_offset;
bp2->bio_data = bp->bio_data;
bp2->bio_attribute = bp->bio_attribute;
}
g_trace(G_T_BIO, "g_clone_bio(%p) = %p", bp, bp2);
return(bp2);
}