diff options
Diffstat (limited to 'sys/kern/vfs_syscalls.c')
| -rw-r--r-- | sys/kern/vfs_syscalls.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c index cbef350..147b31e 100644 --- a/sys/kern/vfs_syscalls.c +++ b/sys/kern/vfs_syscalls.c @@ -133,11 +133,15 @@ sync(td, uap) vfslocked = VFS_LOCK_GIANT(mp); if ((mp->mnt_flag & MNT_RDONLY) == 0 && vn_start_write(NULL, &mp, V_NOWAIT) == 0) { + MNT_ILOCK(mp); asyncflag = mp->mnt_flag & MNT_ASYNC; mp->mnt_flag &= ~MNT_ASYNC; + MNT_IUNLOCK(mp); vfs_msync(mp, MNT_NOWAIT); VFS_SYNC(mp, MNT_NOWAIT, td); + MNT_ILOCK(mp); mp->mnt_flag |= asyncflag; + MNT_IUNLOCK(mp); vn_finished_write(mp); } VFS_UNLOCK_GIANT(vfslocked); |
