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| author |   Ingo Molnar <mingo@elte.hu> | 2008-11-10 09:16:27 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-10 09:16:27 +0100 |
| commit | 4ecd33d930591d41fe356160593a9076467b961c (patch) | |
| tree | b9051a334540bbce38db1b2b03cebb4cf1d51f73 /fs/autofs4/expire.c | |
| parent | x86, NMI watchdog: disable NMIs on LVT0 in case NMI watchdog is not working (diff) | |
| parent | Linux 2.6.28-rc4 (diff) | |
| download | linux-dev-4ecd33d930591d41fe356160593a9076467b961c.tar.xz linux-dev-4ecd33d930591d41fe356160593a9076467b961c.zip | |
Merge commit 'v2.6.28-rc4' into x86/apic
Diffstat (limited to 'fs/autofs4/expire.c')
| -rw-r--r-- | fs/autofs4/expire.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c index cde2f8e8935a..4b6fb3f628c0 100644 --- a/fs/autofs4/expire.c +++ b/fs/autofs4/expire.c @@ -56,12 +56,23 @@ static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry) mntget(mnt); dget(dentry); - if (!autofs4_follow_mount(&mnt, &dentry)) + if (!follow_down(&mnt, &dentry)) goto done; - /* This is an autofs submount, we can't expire it */ - if (is_autofs4_dentry(dentry)) - goto done; + if (is_autofs4_dentry(dentry)) { + struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb); + + /* This is an autofs submount, we can't expire it */ + if (sbi->type == AUTOFS_TYPE_INDIRECT) + goto done; + + /* + * Otherwise it's an offset mount and we need to check + * if we can umount its mount, if there is one. + */ + if (!d_mountpoint(dentry)) + goto done; + } /* Update the expiry counter if fs is busy */ if (!may_umount_tree(mnt)) { |