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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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104
fs/gfs2/lops.h Normal file
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/*
* Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
* Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License version 2.
*/
#ifndef __LOPS_DOT_H__
#define __LOPS_DOT_H__
#include <linux/list.h>
#include "incore.h"
#define BUF_OFFSET \
((sizeof(struct gfs2_log_descriptor) + sizeof(__be64) - 1) & \
~(sizeof(__be64) - 1))
#define DATABUF_OFFSET \
((sizeof(struct gfs2_log_descriptor) + (2 * sizeof(__be64) - 1)) & \
~(2 * sizeof(__be64) - 1))
extern const struct gfs2_log_operations gfs2_glock_lops;
extern const struct gfs2_log_operations gfs2_buf_lops;
extern const struct gfs2_log_operations gfs2_revoke_lops;
extern const struct gfs2_log_operations gfs2_databuf_lops;
extern const struct gfs2_log_operations *gfs2_log_ops[];
extern void gfs2_log_write_page(struct gfs2_sbd *sdp, struct page *page);
extern void gfs2_log_flush_bio(struct gfs2_sbd *sdp, int rw);
extern void gfs2_pin(struct gfs2_sbd *sdp, struct buffer_head *bh);
static inline unsigned int buf_limit(struct gfs2_sbd *sdp)
{
unsigned int limit;
limit = (sdp->sd_sb.sb_bsize - BUF_OFFSET) / sizeof(__be64);
return limit;
}
static inline unsigned int databuf_limit(struct gfs2_sbd *sdp)
{
unsigned int limit;
limit = (sdp->sd_sb.sb_bsize - DATABUF_OFFSET) / (2 * sizeof(__be64));
return limit;
}
static inline void lops_before_commit(struct gfs2_sbd *sdp,
struct gfs2_trans *tr)
{
int x;
for (x = 0; gfs2_log_ops[x]; x++)
if (gfs2_log_ops[x]->lo_before_commit)
gfs2_log_ops[x]->lo_before_commit(sdp, tr);
}
static inline void lops_after_commit(struct gfs2_sbd *sdp,
struct gfs2_trans *tr)
{
int x;
for (x = 0; gfs2_log_ops[x]; x++)
if (gfs2_log_ops[x]->lo_after_commit)
gfs2_log_ops[x]->lo_after_commit(sdp, tr);
}
static inline void lops_before_scan(struct gfs2_jdesc *jd,
struct gfs2_log_header_host *head,
unsigned int pass)
{
int x;
for (x = 0; gfs2_log_ops[x]; x++)
if (gfs2_log_ops[x]->lo_before_scan)
gfs2_log_ops[x]->lo_before_scan(jd, head, pass);
}
static inline int lops_scan_elements(struct gfs2_jdesc *jd, unsigned int start,
struct gfs2_log_descriptor *ld,
__be64 *ptr,
unsigned int pass)
{
int x, error;
for (x = 0; gfs2_log_ops[x]; x++)
if (gfs2_log_ops[x]->lo_scan_elements) {
error = gfs2_log_ops[x]->lo_scan_elements(jd, start,
ld, ptr, pass);
if (error)
return error;
}
return 0;
}
static inline void lops_after_scan(struct gfs2_jdesc *jd, int error,
unsigned int pass)
{
int x;
for (x = 0; gfs2_log_ops[x]; x++)
if (gfs2_log_ops[x]->lo_before_scan)
gfs2_log_ops[x]->lo_after_scan(jd, error, pass);
}
#endif /* __LOPS_DOT_H__ */