diff options
Diffstat (limited to 'sys/kern/vfs_bio.c')
| -rw-r--r-- | sys/kern/vfs_bio.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index 19c39e42bafa..22b7fe8d059a 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -44,6 +44,7 @@ * see man buf(9) for more info. */ +#define EXTERR_CATEGORY EXTERR_CAT_VFSBIO #include <sys/param.h> #include <sys/systm.h> #include <sys/asan.h> @@ -55,6 +56,7 @@ #include <sys/counter.h> #include <sys/devicestat.h> #include <sys/eventhandler.h> +#include <sys/exterrvar.h> #include <sys/fail.h> #include <sys/ktr.h> #include <sys/limits.h> @@ -1775,7 +1777,6 @@ buf_alloc(struct bufdomain *bd) bp->b_blkno = bp->b_lblkno = 0; bp->b_offset = NOOFFSET; bp->b_iodone = 0; - bp->b_error = 0; bp->b_resid = 0; bp->b_bcount = 0; bp->b_npages = 0; @@ -1785,6 +1786,7 @@ buf_alloc(struct bufdomain *bd) bp->b_fsprivate1 = NULL; bp->b_fsprivate2 = NULL; bp->b_fsprivate3 = NULL; + exterr_clear(&bp->b_exterr); LIST_INIT(&bp->b_dep); return (bp); @@ -2276,7 +2278,7 @@ breadn_flags(struct vnode *vp, daddr_t blkno, daddr_t dblkno, int size, } if ((flags & GB_CVTENXIO) != 0) bp->b_xflags |= BX_CVTENXIO; - bp->b_ioflags &= ~BIO_ERROR; + bp->b_ioflags &= ~(BIO_ERROR | BIO_EXTERR); if (bp->b_rcred == NOCRED && cred != NOCRED) bp->b_rcred = crhold(cred); vfs_busy_pages(bp, 0); @@ -2353,7 +2355,7 @@ bufwrite(struct buf *bp) bundirty(bp); bp->b_flags &= ~B_DONE; - bp->b_ioflags &= ~BIO_ERROR; + bp->b_ioflags &= ~(BIO_ERROR | BIO_EXTERR); bp->b_flags |= B_CACHE; bp->b_iocmd = BIO_WRITE; @@ -4520,8 +4522,11 @@ biowait(struct bio *bp, const char *wmesg) while ((bp->bio_flags & BIO_DONE) == 0) msleep(bp, mtxp, PRIBIO, wmesg, 0); mtx_unlock(mtxp); - if (bp->bio_error != 0) + if (bp->bio_error != 0) { + if ((bp->bio_flags & BIO_EXTERR) != 0) + return (exterr_set_from(&bp->bio_exterr)); return (bp->bio_error); + } if (!(bp->bio_flags & BIO_ERROR)) return (0); return (EIO); @@ -4568,6 +4573,8 @@ bufwait(struct buf *bp) return (EINTR); } if (bp->b_ioflags & BIO_ERROR) { + if ((bp->b_ioflags & BIO_EXTERR) != 0) + exterr_set_from(&bp->b_exterr); return (bp->b_error ? bp->b_error : EIO); } else { return (0); |