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authorAl Viro <viro@zeniv.linux.org.uk>2011-11-25 11:25:17 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-01-04 07:57:11 +0400
commit52ba1621de1479ce7e52b6d167860462e483313c (patch)
tree1609df395c437e8d2c0da30cace9a2b343ca0ad8 /fs
parent1a4eeaf2a8c07404e2d1c3ff99b393fd4c207170 (diff)
downloadlinux-52ba1621de1479ce7e52b6d167860462e483313c.tar.xz
vfs: move mnt_devname
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
-rw-r--r--fs/mount.h3
-rw-r--r--fs/namespace.c18
2 files changed, 11 insertions, 10 deletions
diff --git a/fs/mount.h b/fs/mount.h
index 7060d2a6f802..c5fc3f7a9580 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -19,7 +19,8 @@ struct mount {
#endif
struct list_head mnt_mounts; /* list of children, anchored here */
struct list_head mnt_child; /* and going through their mnt_child */
- /* yet to be moved - up to mnt_devname */
+ /* yet to be moved - fsnotify ones go here */
+ const char *mnt_devname; /* Name of device e.g. /dev/dsk/hda1 */
struct list_head mnt_list;
struct list_head mnt_expire; /* link in fs-specific expiry list */
struct list_head mnt_share; /* circular list of shared mounts */
diff --git a/fs/namespace.c b/fs/namespace.c
index e15125356ac1..b8a30928d0c1 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -183,8 +183,8 @@ static struct mount *alloc_vfsmnt(const char *name)
goto out_free_cache;
if (name) {
- mnt->mnt_devname = kstrdup(name, GFP_KERNEL);
- if (!mnt->mnt_devname)
+ p->mnt_devname = kstrdup(name, GFP_KERNEL);
+ if (!p->mnt_devname)
goto out_free_id;
}
@@ -215,7 +215,7 @@ static struct mount *alloc_vfsmnt(const char *name)
#ifdef CONFIG_SMP
out_free_devname:
- kfree(p->mnt.mnt_devname);
+ kfree(p->mnt_devname);
#endif
out_free_id:
mnt_free_id(p);
@@ -451,7 +451,7 @@ static void __mnt_unmake_readonly(struct mount *mnt)
static void free_vfsmnt(struct mount *mnt)
{
- kfree(mnt->mnt.mnt_devname);
+ kfree(mnt->mnt_devname);
mnt_free_id(mnt);
#ifdef CONFIG_SMP
free_percpu(mnt->mnt_pcp);
@@ -692,7 +692,7 @@ static struct mount *clone_mnt(struct mount *old, struct dentry *root,
int flag)
{
struct super_block *sb = old->mnt.mnt_sb;
- struct mount *mnt = alloc_vfsmnt(old->mnt.mnt_devname);
+ struct mount *mnt = alloc_vfsmnt(old->mnt_devname);
if (mnt) {
if (flag & (CL_SLAVE | CL_PRIVATE))
@@ -997,7 +997,7 @@ static int show_vfsmnt(struct seq_file *m, void *v)
if (err)
goto out;
} else {
- mangle(m, mnt->mnt_devname ? mnt->mnt_devname : "none");
+ mangle(m, r->mnt_devname ? r->mnt_devname : "none");
}
seq_putc(m, ' ');
seq_path(m, &mnt_path, " \t\n\\");
@@ -1070,7 +1070,7 @@ static int show_mountinfo(struct seq_file *m, void *v)
if (sb->s_op->show_devname)
err = sb->s_op->show_devname(m, mnt);
else
- mangle(m, mnt->mnt_devname ? mnt->mnt_devname : "none");
+ mangle(m, r->mnt_devname ? r->mnt_devname : "none");
if (err)
goto out;
seq_puts(m, sb->s_flags & MS_RDONLY ? " ro" : " rw");
@@ -1103,9 +1103,9 @@ static int show_vfsstat(struct seq_file *m, void *v)
seq_puts(m, "device ");
err = mnt->mnt_sb->s_op->show_devname(m, mnt);
} else {
- if (mnt->mnt_devname) {
+ if (r->mnt_devname) {
seq_puts(m, "device ");
- mangle(m, mnt->mnt_devname);
+ mangle(m, r->mnt_devname);
} else
seq_puts(m, "no device");
}