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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-12-20 04:54:54 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-12-20 04:54:54 -0500 |
| commit | 93b8eef1c098efbea2f1fc0be7e3c681f259a7e7 (patch) | |
| tree | 462cc8c2bc07bbc825dab2a200891a28d8643329 /fs/autofs4/expire.c | |
| parent | a2d781fc8d9b16113dd9440107d73c0f21d7cbef (diff) | |
| parent | 929096fe9ff1f4b3645cf3919527ab47e8d5e17c (diff) | |
Merge commit 'v2.6.28-rc9' into next
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 cde2f8e8935..4b6fb3f628c 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)) { |