diff options
Diffstat (limited to 'sys/kern/vfs_mount.c')
| -rw-r--r-- | sys/kern/vfs_mount.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sys/kern/vfs_mount.c b/sys/kern/vfs_mount.c index 493bb98..8f92e10 100644 --- a/sys/kern/vfs_mount.c +++ b/sys/kern/vfs_mount.c @@ -1269,8 +1269,16 @@ dounmount(mp, flags, td) } mp->mnt_kern_flag |= MNTK_UNMOUNT | MNTK_NOINSMNTQ; /* Allow filesystems to detect that a forced unmount is in progress. */ - if (flags & MNT_FORCE) + if (flags & MNT_FORCE) { mp->mnt_kern_flag |= MNTK_UNMOUNTF; + MNT_IUNLOCK(mp); + /* + * Must be done after setting MNTK_UNMOUNTF and before + * waiting for mnt_lockref to become 0. + */ + VFS_PURGE(mp); + MNT_ILOCK(mp); + } error = 0; if (mp->mnt_lockref) { mp->mnt_kern_flag |= MNTK_DRAINING; |
