c/mirror_zfs
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_zfs.git synced 2024-12-26 03:09:34 +03:00
Code Issues Packages Projects Releases Wiki Activity

FreeBSD: Retry OCF ENOMEM errors.

Browse Source 
ZFS does not expect transient errors from crypto.  For read they are
counted as checksum errors, while for write end up in panic.  To not
panic on random low memory conditions retry ENOMEM errors in the OCF
wrapper function.

While there remove unneeded timeout and priority from msleep().

External-issue: https://reviews.freebsd.org/D30339
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Mark Maybee <mark.maybee@delphix.com>
Signed-off-by: Alexander Motin <mav@FreeBSD.org>
Sponsored-By: iXsystems, Inc.
Closes #12077
This commit is contained in:
Alexander Motin 2021-05-24 16:42:45 -04:00 committed by GitHub
parent 5d1a32a542
commit f8646c871a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
module/os/freebsd/zfs/crypto_os.c
View File

@ -172,11 +172,13 @@ zfs_crypto_dispatch(freebsd_crypt_session_t *session, struct cryptop *crp)
break;
mtx_lock(&session->fs_lock);
while (session->fs_done == false)
msleep(crp, &session->fs_lock, PRIBIO,
"zfs_crypto", hz/5);
msleep(crp, &session->fs_lock, 0,
"zfs_crypto", 0);
mtx_unlock(&session->fs_lock);
if (crp->crp_etype != EAGAIN) {
if (crp->crp_etype == ENOMEM) {
pause("zcrnomem", 1);
} else if (crp->crp_etype != EAGAIN) {
error = crp->crp_etype;
break;
}