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nfs: propagate devname to nfs{,4}_get_root()

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step 1 of ->mnt_devname fixes: make sure we have the value of devname
available in ..._get_root().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-03-16 05:27:27 -04:00
parent 60ed8cf78f
commit 0d5839ad05
3 changed files with 13 additions and 9 deletions
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6
fs/nfs/getroot.c
View File

@ -75,7 +75,8 @@ static int nfs_superblock_set_dummy_root(struct super_block *sb, struct inode *i
/*
* get an NFS2/NFS3 root dentry from the root filehandle
*/
struct dentry *nfs_get_root(struct super_block *sb, struct nfs_fh *mntfh)
struct dentry *nfs_get_root(struct super_block *sb, struct nfs_fh *mntfh,
const char *devname)
{
struct nfs_server *server = NFS_SB(sb);
struct nfs_fsinfo fsinfo;
@ -169,7 +170,8 @@ int nfs4_get_rootfh(struct nfs_server *server, struct nfs_fh *mntfh)
/*
* get an NFS4 root dentry from the root filehandle
*/
struct dentry *nfs4_get_root(struct super_block *sb, struct nfs_fh *mntfh)
struct dentry *nfs4_get_root(struct super_block *sb, struct nfs_fh *mntfh,
const char *devname)
{
struct nfs_server *server = NFS_SB(sb);
struct nfs_fattr *fattr = NULL;

6
fs/nfs/internal.h
View File

@ -254,9 +254,11 @@ extern char *nfs_path(const char *base,
extern struct vfsmount *nfs_d_automount(struct path *path);
/* getroot.c */
extern struct dentry *nfs_get_root(struct super_block *, struct nfs_fh *);
extern struct dentry *nfs_get_root(struct super_block *, struct nfs_fh *,
const char *);
#ifdef CONFIG_NFS_V4
extern struct dentry *nfs4_get_root(struct super_block *, struct nfs_fh *);
extern struct dentry *nfs4_get_root(struct super_block *, struct nfs_fh *,
const char *);
extern int nfs4_get_rootfh(struct nfs_server *server, struct nfs_fh *mntfh);
#endif

10
fs/nfs/super.c
View File

@ -2336,7 +2336,7 @@ static int nfs_get_sb(struct file_system_type *fs_type,
s, data ? data->fscache_uniq : NULL, NULL);
}
mntroot = nfs_get_root(s, mntfh);
mntroot = nfs_get_root(s, mntfh, dev_name);
if (IS_ERR(mntroot)) {
error = PTR_ERR(mntroot);
goto error_splat_super;
@ -2450,7 +2450,7 @@ nfs_xdev_mount(struct file_system_type *fs_type, int flags,
nfs_fscache_get_super_cookie(s, NULL, data);
}
mntroot = nfs_get_root(s, data->fh);
mntroot = nfs_get_root(s, data->fh, dev_name);
if (IS_ERR(mntroot)) {
error = PTR_ERR(mntroot);
goto error_splat_super;
@ -2718,7 +2718,7 @@ nfs4_remote_mount(struct file_system_type *fs_type, int flags,
s, data ? data->fscache_uniq : NULL, NULL);
}
mntroot = nfs4_get_root(s, mntfh);
mntroot = nfs4_get_root(s, mntfh, dev_name);
if (IS_ERR(mntroot)) {
error = PTR_ERR(mntroot);
goto error_splat_super;
@ -3033,7 +3033,7 @@ nfs4_xdev_mount(struct file_system_type *fs_type, int flags,
nfs_fscache_get_super_cookie(s, NULL, data);
}
mntroot = nfs4_get_root(s, data->fh);
mntroot = nfs4_get_root(s, data->fh, dev_name);
if (IS_ERR(mntroot)) {
error = PTR_ERR(mntroot);
goto error_splat_super;
@ -3120,7 +3120,7 @@ nfs4_remote_referral_mount(struct file_system_type *fs_type, int flags,
nfs_fscache_get_super_cookie(s, NULL, data);
}
mntroot = nfs4_get_root(s, mntfh);
mntroot = nfs4_get_root(s, mntfh, dev_name);
if (IS_ERR(mntroot)) {
error = PTR_ERR(mntroot);
goto error_splat_super;