[PATCH 1/2] namespace: rename mnt_fslink to mnt_expire

From: Miklos Szeredi
Date: Mon May 30 2005 - 05:43:09 EST


This patch renames vfsmount->mnt_fslink to something a little more
descriptive: vfsmount->mnt_expire.

Signed-off-by: Mike Waychison <michael.waychison@xxxxxxx>
Signed-off-by: Miklos Szeredi <miklos@xxxxxxxxxx>

Index: linux/include/linux/mount.h
===================================================================
--- linux.orig/include/linux/mount.h 2005-05-29 13:32:28.000000000 +0200
+++ linux/include/linux/mount.h 2005-05-29 13:35:12.000000000 +0200
@@ -34,7 +34,7 @@ struct vfsmount
int mnt_expiry_mark; /* true if marked for expiry */
char *mnt_devname; /* Name of device e.g. /dev/dsk/hda1 */
struct list_head mnt_list;
- struct list_head mnt_fslink; /* link in fs-specific expiry list */
+ struct list_head mnt_expire; /* link in fs-specific expiry list */
struct namespace *mnt_namespace; /* containing namespace */
};

Index: linux/fs/namespace.c
===================================================================
--- linux.orig/fs/namespace.c 2005-05-29 13:32:28.000000000 +0200
+++ linux/fs/namespace.c 2005-05-29 13:36:14.000000000 +0200
@@ -61,7 +61,7 @@ struct vfsmount *alloc_vfsmnt(const char
INIT_LIST_HEAD(&mnt->mnt_child);
INIT_LIST_HEAD(&mnt->mnt_mounts);
INIT_LIST_HEAD(&mnt->mnt_list);
- INIT_LIST_HEAD(&mnt->mnt_fslink);
+ INIT_LIST_HEAD(&mnt->mnt_expire);
if (name) {
int size = strlen(name)+1;
char *newname = kmalloc(size, GFP_KERNEL);
@@ -165,8 +165,8 @@ clone_mnt(struct vfsmount *old, struct d
/* stick the duplicate mount on the same expiry list
* as the original if that was on one */
spin_lock(&vfsmount_lock);
- if (!list_empty(&old->mnt_fslink))
- list_add(&mnt->mnt_fslink, &old->mnt_fslink);
+ if (!list_empty(&old->mnt_expire))
+ list_add(&mnt->mnt_expire, &old->mnt_expire);
spin_unlock(&vfsmount_lock);
}
return mnt;
@@ -351,7 +351,7 @@ static void umount_tree(struct vfsmount
while (!list_empty(&kill)) {
mnt = list_entry(kill.next, struct vfsmount, mnt_list);
list_del_init(&mnt->mnt_list);
- list_del_init(&mnt->mnt_fslink);
+ list_del_init(&mnt->mnt_expire);
if (mnt->mnt_parent == mnt) {
spin_unlock(&vfsmount_lock);
} else {
@@ -645,7 +645,7 @@ static int do_loopback(struct nameidata
if (mnt) {
/* stop bind mounts from expiring */
spin_lock(&vfsmount_lock);
- list_del_init(&mnt->mnt_fslink);
+ list_del_init(&mnt->mnt_expire);
spin_unlock(&vfsmount_lock);

err = graft_tree(mnt, nd);
@@ -744,7 +744,7 @@ static int do_move_mount(struct nameidat

/* if the mount is moved, it should no longer be expire
* automatically */
- list_del_init(&old_nd.mnt->mnt_fslink);
+ list_del_init(&old_nd.mnt->mnt_expire);
out2:
spin_unlock(&vfsmount_lock);
out1:
@@ -814,7 +814,7 @@ int do_add_mount(struct vfsmount *newmnt
if (err == 0 && fslist) {
/* add to the specified expiration list */
spin_lock(&vfsmount_lock);
- list_add_tail(&newmnt->mnt_fslink, fslist);
+ list_add_tail(&newmnt->mnt_expire, fslist);
spin_unlock(&vfsmount_lock);
}

@@ -863,7 +863,7 @@ static void expire_mount(struct vfsmount
} else {
/* someone brought it back to life whilst we didn't have any
* locks held so return it to the expiration list */
- list_add_tail(&mnt->mnt_fslink, mounts);
+ list_add_tail(&mnt->mnt_expire, mounts);
spin_unlock(&vfsmount_lock);
}
}
@@ -890,13 +890,13 @@ void mark_mounts_for_expiry(struct list_
* - still marked for expiry (marked on the last call here; marks are
* cleared by mntput())
*/
- list_for_each_entry_safe(mnt, next, mounts, mnt_fslink) {
+ list_for_each_entry_safe(mnt, next, mounts, mnt_expire) {
if (!xchg(&mnt->mnt_expiry_mark, 1) ||
atomic_read(&mnt->mnt_count) != 1)
continue;

mntget(mnt);
- list_move(&mnt->mnt_fslink, &graveyard);
+ list_move(&mnt->mnt_expire, &graveyard);
}

/*
@@ -906,8 +906,8 @@ void mark_mounts_for_expiry(struct list_
* - dispose of the corpse
*/
while (!list_empty(&graveyard)) {
- mnt = list_entry(graveyard.next, struct vfsmount, mnt_fslink);
- list_del_init(&mnt->mnt_fslink);
+ mnt = list_entry(graveyard.next, struct vfsmount, mnt_expire);
+ list_del_init(&mnt->mnt_expire);

/* don't do anything if the namespace is dead - all the
* vfsmounts from it are going away anyway */
-
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