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| author | Al Viro <viro@zeniv.linux.org.uk> | 2011-12-08 21:32:45 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-01-06 23:16:54 -0500 |
| commit | d861c630e99febe5ce6055290085556c5b714b06 (patch) | |
| tree | 972fb0e89694197dbdbeca13920de08394abfe39 | |
| parent | 64132379d509184425672e0dce1ac0a031e3f2a5 (diff) | |
| download | lwn-d861c630e99febe5ce6055290085556c5b714b06.tar.gz lwn-d861c630e99febe5ce6055290085556c5b714b06.zip | |
vfs: switch ->show_devname() to struct dentry *
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/nfs/super.c | 6 | ||||
| -rw-r--r-- | fs/proc_namespace.c | 17 | ||||
| -rw-r--r-- | include/linux/fs.h | 2 |
3 files changed, 13 insertions, 12 deletions
diff --git a/fs/nfs/super.c b/fs/nfs/super.c index dd74d3bc2eaa..6e6faa17bd38 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -263,7 +263,7 @@ static match_table_t nfs_local_lock_tokens = { static void nfs_umount_begin(struct super_block *); static int nfs_statfs(struct dentry *, struct kstatfs *); static int nfs_show_options(struct seq_file *, struct vfsmount *); -static int nfs_show_devname(struct seq_file *, struct vfsmount *); +static int nfs_show_devname(struct seq_file *, struct dentry *); static int nfs_show_path(struct seq_file *, struct vfsmount *); static int nfs_show_stats(struct seq_file *, struct dentry *); static struct dentry *nfs_fs_mount(struct file_system_type *, @@ -760,14 +760,14 @@ static void show_pnfs(struct seq_file *m, struct nfs_server *server) {} #endif #endif -static int nfs_show_devname(struct seq_file *m, struct vfsmount *mnt) +static int nfs_show_devname(struct seq_file *m, struct dentry *root) { char *page = (char *) __get_free_page(GFP_KERNEL); char *devname, *dummy; int err = 0; if (!page) return -ENOMEM; - devname = nfs_path(&dummy, mnt->mnt_root, page, PAGE_SIZE); + devname = nfs_path(&dummy, root, page, PAGE_SIZE); if (IS_ERR(devname)) err = PTR_ERR(devname); else diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c index 61a09a6364ba..6d4583ddbeda 100644 --- a/fs/proc_namespace.c +++ b/fs/proc_namespace.c @@ -94,9 +94,10 @@ static int show_vfsmnt(struct seq_file *m, struct vfsmount *mnt) struct mount *r = real_mount(mnt); int err = 0; struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt }; + struct super_block *sb = mnt_path.dentry->d_sb; - if (mnt->mnt_sb->s_op->show_devname) { - err = mnt->mnt_sb->s_op->show_devname(m, mnt); + if (sb->s_op->show_devname) { + err = sb->s_op->show_devname(m, mnt_path.dentry); if (err) goto out; } else { @@ -105,14 +106,14 @@ static int show_vfsmnt(struct seq_file *m, struct vfsmount *mnt) seq_putc(m, ' '); seq_path(m, &mnt_path, " \t\n\\"); seq_putc(m, ' '); - show_type(m, mnt->mnt_sb); + show_type(m, sb); seq_puts(m, __mnt_is_readonly(mnt) ? " ro" : " rw"); - err = show_sb_opts(m, mnt->mnt_sb); + err = show_sb_opts(m, sb); if (err) goto out; show_mnt_opts(m, mnt); - if (mnt->mnt_sb->s_op->show_options) - err = mnt->mnt_sb->s_op->show_options(m, mnt); + if (sb->s_op->show_options) + err = sb->s_op->show_options(m, mnt); seq_puts(m, " 0 0\n"); out: return err; @@ -163,7 +164,7 @@ static int show_mountinfo(struct seq_file *m, struct vfsmount *mnt) show_type(m, sb); seq_putc(m, ' '); if (sb->s_op->show_devname) - err = sb->s_op->show_devname(m, mnt); + err = sb->s_op->show_devname(m, mnt->mnt_root); else mangle(m, r->mnt_devname ? r->mnt_devname : "none"); if (err) @@ -189,7 +190,7 @@ static int show_vfsstat(struct seq_file *m, struct vfsmount *mnt) /* device */ if (sb->s_op->show_devname) { seq_puts(m, "device "); - err = sb->s_op->show_devname(m, mnt); + err = sb->s_op->show_devname(m, mnt_path.dentry); } else { if (r->mnt_devname) { seq_puts(m, "device "); diff --git a/include/linux/fs.h b/include/linux/fs.h index b2e4b6f639e4..a8dff43d1b9d 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1673,7 +1673,7 @@ struct super_operations { void (*umount_begin) (struct super_block *); int (*show_options)(struct seq_file *, struct vfsmount *); - int (*show_devname)(struct seq_file *, struct vfsmount *); + int (*show_devname)(struct seq_file *, struct dentry *); int (*show_path)(struct seq_file *, struct vfsmount *); int (*show_stats)(struct seq_file *, struct dentry *); #ifdef CONFIG_QUOTA |