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Fix vn_isdisk() usage to make AIO work on non-disk-files again, rather

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than just return ENOTBLK.

PR:	16163
Submitted by:	Adrian Chadd <adrian@FreeBSD.org>
This commit is contained in:
Brian Feldman 2000-01-17 21:18:39 +00:00
parent 96cdb64ea9
commit f582ac0630
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=56203
1 changed files with 11 additions and 2 deletions
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13
sys/kern/vfs_aio.c
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@ -944,8 +944,17 @@ aio_qphysio(struct proc *p, struct aiocblist *aiocbe)
vp = (struct vnode *)fp->f_data;
if (!vn_isdisk(vp, &error))
return (error);
/*
* If its not a disk, we don't want to return a positive error.
* It causes the aio code to not fall through to try the thread
* way when you're talking to a regular file.
*/
if (!vn_isdisk(vp, &error)) {
if (error == ENOTBLK)
return (-1);
else
return (error);
}
if (cb->aio_nbytes % vp->v_rdev->si_bsize_phys)
return (-1);