The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=bb536de6c0d73566e610881e12c55489a7c6ec44
commit bb536de6c0d73566e610881e12c55489a7c6ec44 Author: Konstantin Belousov <[email protected]> AuthorDate: 2021-08-26 16:17:39 +0000 Commit: Konstantin Belousov <[email protected]> CommitDate: 2021-08-31 04:38:35 +0000 ffs_update(): Do not assume that EBUSY can only come LK_NOWAIT trylock Instead do protective check for the local flags and do not interpret EBUSY specially if we did not request trylock mode for bread(). Reviewed by: mckusick Reported and tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week --- sys/ufs/ffs/ffs_inode.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/sys/ufs/ffs/ffs_inode.c b/sys/ufs/ffs/ffs_inode.c index 2bc3da7e603f..1159259fb2b6 100644 --- a/sys/ufs/ffs/ffs_inode.c +++ b/sys/ufs/ffs/ffs_inode.c @@ -153,9 +153,14 @@ loop: error = ffs_breadz(VFSTOUFS(vp->v_mount), ITODEVVP(ip), bn, bn, (int) fs->fs_bsize, NULL, NULL, 0, NOCRED, flags, NULL, &bp); if (error != 0) { - if (error != EBUSY) + /* + * If EBUSY was returned without GB_LOCK_NOWAIT (which + * requests trylock for buffer lock), it is for some + * other reason and we should not handle it specially. + */ + if (error != EBUSY || (flags & GB_LOCK_NOWAIT) == 0) return (error); - KASSERT((IS_SNAPSHOT(ip)), ("EBUSY from non-snapshot")); + /* * Wait for our inode block to become available. * _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/dev-commits-src-main To unsubscribe, send any mail to "[email protected]"
