Date: Fri, 14 Nov 2014 11:31:10 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r274501 - head/sys/kern Message-ID: <201411141131.sAEBVAAu086011@svn.freebsd.org>
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Author: kib Date: Fri Nov 14 11:31:10 2014 New Revision: 274501 URL: https://svnweb.freebsd.org/changeset/base/274501 Log: In vfs_write_suspend_umnt(), if suspension cannot be established, do not forget to restore write ops count when returning the error. Reported and tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Modified: head/sys/kern/vfs_vnops.c Modified: head/sys/kern/vfs_vnops.c ============================================================================== --- head/sys/kern/vfs_vnops.c Fri Nov 14 10:56:33 2014 (r274500) +++ head/sys/kern/vfs_vnops.c Fri Nov 14 11:31:10 2014 (r274501) @@ -1881,8 +1881,10 @@ vfs_write_suspend_umnt(struct mount *mp) for (;;) { vn_finished_write(mp); error = vfs_write_suspend(mp, 0); - if (error != 0) + if (error != 0) { + vn_start_write(NULL, &mp, V_WAIT); return (error); + } MNT_ILOCK(mp); if ((mp->mnt_kern_flag & MNTK_SUSPENDED) != 0) break;
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