autofs4: cleanup expire code duplication
A significant portion of the autofs_dev_ioctl_expire() and
autofs4_expire_multi() functions is duplicated code. This patch cleans that
up.
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
index a768031..b7ff33c 100644
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -186,6 +186,8 @@
int autofs4_expire_run(struct super_block *, struct vfsmount *,
struct autofs_sb_info *,
struct autofs_packet_expire __user *);
+int autofs4_do_expire_multi(struct super_block *sb, struct vfsmount *mnt,
+ struct autofs_sb_info *sbi, int when);
int autofs4_expire_multi(struct super_block *, struct vfsmount *,
struct autofs_sb_info *, int __user *);
struct dentry *autofs4_expire_direct(struct super_block *sb,
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index 025e105..9e5ae8a 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -525,40 +525,13 @@
struct autofs_sb_info *sbi,
struct autofs_dev_ioctl *param)
{
- struct dentry *dentry;
struct vfsmount *mnt;
- int err = -EAGAIN;
int how;
how = param->expire.how;
mnt = fp->f_path.mnt;
- if (autofs_type_trigger(sbi->type))
- dentry = autofs4_expire_direct(sbi->sb, mnt, sbi, how);
- else
- dentry = autofs4_expire_indirect(sbi->sb, mnt, sbi, how);
-
- if (dentry) {
- struct autofs_info *ino = autofs4_dentry_ino(dentry);
-
- /*
- * This is synchronous because it makes the daemon a
- * little easier
- */
- err = autofs4_wait(sbi, dentry, NFY_EXPIRE);
-
- spin_lock(&sbi->fs_lock);
- if (ino->flags & AUTOFS_INF_MOUNTPOINT) {
- ino->flags &= ~AUTOFS_INF_MOUNTPOINT;
- sbi->sb->s_root->d_mounted++;
- }
- ino->flags &= ~AUTOFS_INF_EXPIRING;
- complete_all(&ino->expire_complete);
- spin_unlock(&sbi->fs_lock);
- dput(dentry);
- }
-
- return err;
+ return autofs4_do_expire_multi(sbi->sb, mnt, sbi, how);
}
/* Check if autofs mount point is in use */
diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c
index e3bd507..75f7dda 100644
--- a/fs/autofs4/expire.c
+++ b/fs/autofs4/expire.c
@@ -478,22 +478,16 @@
return ret;
}
-/* Call repeatedly until it returns -EAGAIN, meaning there's nothing
- more to be done */
-int autofs4_expire_multi(struct super_block *sb, struct vfsmount *mnt,
- struct autofs_sb_info *sbi, int __user *arg)
+int autofs4_do_expire_multi(struct super_block *sb, struct vfsmount *mnt,
+ struct autofs_sb_info *sbi, int when)
{
struct dentry *dentry;
int ret = -EAGAIN;
- int do_now = 0;
-
- if (arg && get_user(do_now, arg))
- return -EFAULT;
if (autofs_type_trigger(sbi->type))
- dentry = autofs4_expire_direct(sb, mnt, sbi, do_now);
+ dentry = autofs4_expire_direct(sb, mnt, sbi, when);
else
- dentry = autofs4_expire_indirect(sb, mnt, sbi, do_now);
+ dentry = autofs4_expire_indirect(sb, mnt, sbi, when);
if (dentry) {
struct autofs_info *ino = autofs4_dentry_ino(dentry);
@@ -516,3 +510,16 @@
return ret;
}
+/* Call repeatedly until it returns -EAGAIN, meaning there's nothing
+ more to be done */
+int autofs4_expire_multi(struct super_block *sb, struct vfsmount *mnt,
+ struct autofs_sb_info *sbi, int __user *arg)
+{
+ int do_now = 0;
+
+ if (arg && get_user(do_now, arg))
+ return -EFAULT;
+
+ return autofs4_do_expire_multi(sb, mnt, sbi, do_now);
+}
+