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staging/lustre: remove unused lvfs code 

Remove the unused "lvfs" functions obd_lvfs_fid2dentry(),
ll_lookup_one_len(), l_dput(), lustre_rename(), push_ctxt(), and
pop_ctxt(). Remove the unused members of struct lvfs_run_ctxt.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John L. Hammond 2014-09-09 13:39:06 -05:00 committed by Greg Kroah-Hartman
parent 6272d77805
commit d5d2337c56
3 changed files with 0 additions and 96 deletions
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78
drivers/staging/lustre/lustre/include/linux/lvfs.h
View File

@ -50,86 +50,8 @@
#include <linux/sched.h>
#include "lustre_compat25.h"
#define LLOG_LVFS
/* simple.c */
struct lvfs_ucred {
kuid_t luc_uid;
kgid_t luc_gid;
kuid_t luc_fsuid;
kgid_t luc_fsgid;
kernel_cap_t luc_cap;
__u32 luc_umask;
struct group_info *luc_ginfo;
struct md_identity *luc_identity;
};
struct lvfs_callback_ops {
struct dentry *(*l_fid2dentry)(__u64 id_ino, __u32 gen, __u64 gr, void *data);
};
#define OBD_RUN_CTXT_MAGIC 0xC0FFEEAA
#define OBD_CTXT_DEBUG /* development-only debugging */
struct lvfs_run_ctxt {
struct vfsmount *pwdmnt;
struct dentry *pwd;
mm_segment_t fs;
struct lvfs_ucred luc;
int ngroups;
struct lvfs_callback_ops cb_ops;
struct group_info *group_info;
struct dt_device *dt;
#ifdef OBD_CTXT_DEBUG
__u32 magic;
#endif
};
#ifdef OBD_CTXT_DEBUG
#define OBD_SET_CTXT_MAGIC(ctxt) (ctxt)->magic = OBD_RUN_CTXT_MAGIC
#else
#define OBD_SET_CTXT_MAGIC(ctxt) do {} while (0)
#endif
int lustre_rename(struct dentry *dir, struct vfsmount *mnt, char *oldname,
char *newname);
static inline void l_dput(struct dentry *de)
{
if (!de || IS_ERR(de))
return;
//shrink_dcache_parent(de);
LASSERT(d_count(de) > 0);
dput(de);
}
/* We need to hold the inode semaphore over the dcache lookup itself, or we
* run the risk of entering the filesystem lookup path concurrently on SMP
* systems, and instantiating two inodes for the same entry. We still
* protect against concurrent addition/removal races with the DLM locking.
*/
static inline struct dentry *ll_lookup_one_len(const char *fid_name,
struct dentry *dparent,
int fid_namelen)
{
struct dentry *dchild;
mutex_lock(&dparent->d_inode->i_mutex);
dchild = lookup_one_len(fid_name, dparent, fid_namelen);
mutex_unlock(&dparent->d_inode->i_mutex);
if (IS_ERR(dchild) || dchild->d_inode == NULL)
return dchild;
if (is_bad_inode(dchild->d_inode)) {
CERROR("bad inode returned %lu/%u\n",
dchild->d_inode->i_ino, dchild->d_inode->i_generation);
dput(dchild);
dchild = ERR_PTR(-ENOENT);
}
return dchild;
}
#endif

8
drivers/staging/lustre/lustre/include/lvfs.h
View File

@ -39,17 +39,9 @@
#ifndef __LVFS_H__
#define __LVFS_H__
#define LL_FID_NAMELEN (16 + 1 + 8 + 1)
#include "../../include/linux/libcfs/libcfs.h"
#include "linux/lvfs.h"
#include "../../include/linux/libcfs/lucache.h"
/* lvfs_linux.c */
void push_ctxt(struct lvfs_run_ctxt *save, struct lvfs_run_ctxt *new_ctx,
struct lvfs_ucred *cred);
void pop_ctxt(struct lvfs_run_ctxt *saved, struct lvfs_run_ctxt *new_ctx,
struct lvfs_ucred *cred);
#endif

10
drivers/staging/lustre/lustre/include/obd_class.h
View File

@ -1090,16 +1090,6 @@ static inline int obd_destroy_export(struct obd_export *exp)
return 0;
}
static inline struct dentry *
obd_lvfs_fid2dentry(struct obd_export *exp, struct ost_id *oi, __u32 gen)
{
struct lvfs_run_ctxt *ctxt = &exp->exp_obd->obd_lvfs_ctxt;
LASSERT(exp->exp_obd);
return ctxt->cb_ops.l_fid2dentry(ostid_id(oi), gen, ostid_seq(oi),
exp->exp_obd);
}
/* @max_age is the oldest time in jiffies that we accept using a cached data.
* If the cache is older than @max_age we will get a new value from the
* target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */