diff options
Diffstat (limited to 'sys/kern/vfs_vnops.c')
| -rw-r--r-- | sys/kern/vfs_vnops.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c index 08f8093c2ce0..0281a294cde6 100644 --- a/sys/kern/vfs_vnops.c +++ b/sys/kern/vfs_vnops.c @@ -1005,19 +1005,24 @@ vn_finished_write(mp) /* * Request a filesystem to suspend write operations. */ -void +int vfs_write_suspend(mp) struct mount *mp; { struct thread *td = curthread; + int error; if (mp->mnt_kern_flag & MNTK_SUSPEND) - return; + return (0); mp->mnt_kern_flag |= MNTK_SUSPEND; if (mp->mnt_writeopcount > 0) (void) tsleep(&mp->mnt_writeopcount, PUSER - 1, "suspwt", 0); - VFS_SYNC(mp, MNT_WAIT, td->td_ucred, td); + if ((error = VFS_SYNC(mp, MNT_WAIT, td->td_ucred, td)) != 0) { + vfs_write_resume(mp); + return (error); + } mp->mnt_kern_flag |= MNTK_SUSPENDED; + return (0); } /* |