Contributors: 10
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Jeff Layton |
283 |
47.97% |
2 |
9.52% |
| Milosz Tanski |
144 |
24.41% |
1 |
4.76% |
| Sage Weil |
67 |
11.36% |
6 |
28.57% |
| Yan Zheng |
36 |
6.10% |
3 |
14.29% |
| Matthew Wilcox |
27 |
4.58% |
1 |
4.76% |
| David Howells |
17 |
2.88% |
4 |
19.05% |
| Yehuda Sadeh Weinraub |
8 |
1.36% |
1 |
4.76% |
| Greg Farnum |
4 |
0.68% |
1 |
4.76% |
| Thomas Gleixner |
2 |
0.34% |
1 |
4.76% |
| Jim Schutt |
2 |
0.34% |
1 |
4.76% |
| Total |
590 |
|
21 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Ceph cache definitions.
*
* Copyright (C) 2013 by Adfin Solutions, Inc. All Rights Reserved.
* Written by Milosz Tanski (milosz@adfin.com)
*/
#ifndef _CEPH_CACHE_H
#define _CEPH_CACHE_H
#include <linux/netfs.h>
#ifdef CONFIG_CEPH_FSCACHE
#include <linux/fscache.h>
int ceph_fscache_register_fs(struct ceph_fs_client* fsc, struct fs_context *fc);
void ceph_fscache_unregister_fs(struct ceph_fs_client* fsc);
void ceph_fscache_register_inode_cookie(struct inode *inode);
void ceph_fscache_unregister_inode_cookie(struct ceph_inode_info* ci);
void ceph_fscache_use_cookie(struct inode *inode, bool will_modify);
void ceph_fscache_unuse_cookie(struct inode *inode, bool update);
void ceph_fscache_update(struct inode *inode);
void ceph_fscache_invalidate(struct inode *inode, bool dio_write);
static inline struct fscache_cookie *ceph_fscache_cookie(struct ceph_inode_info *ci)
{
return netfs_i_cookie(&ci->netfs);
}
static inline void ceph_fscache_resize(struct inode *inode, loff_t to)
{
struct ceph_inode_info *ci = ceph_inode(inode);
struct fscache_cookie *cookie = ceph_fscache_cookie(ci);
if (cookie) {
ceph_fscache_use_cookie(inode, true);
fscache_resize_cookie(cookie, to);
ceph_fscache_unuse_cookie(inode, true);
}
}
static inline void ceph_fscache_unpin_writeback(struct inode *inode,
struct writeback_control *wbc)
{
fscache_unpin_writeback(wbc, ceph_fscache_cookie(ceph_inode(inode)));
}
static inline int ceph_fscache_dirty_folio(struct address_space *mapping,
struct folio *folio)
{
struct ceph_inode_info *ci = ceph_inode(mapping->host);
return fscache_dirty_folio(mapping, folio, ceph_fscache_cookie(ci));
}
static inline int ceph_begin_cache_operation(struct netfs_io_request *rreq)
{
struct fscache_cookie *cookie = ceph_fscache_cookie(ceph_inode(rreq->inode));
return fscache_begin_read_operation(&rreq->cache_resources, cookie);
}
static inline bool ceph_is_cache_enabled(struct inode *inode)
{
return fscache_cookie_enabled(ceph_fscache_cookie(ceph_inode(inode)));
}
static inline void ceph_fscache_note_page_release(struct inode *inode)
{
struct ceph_inode_info *ci = ceph_inode(inode);
fscache_note_page_release(ceph_fscache_cookie(ci));
}
#else /* CONFIG_CEPH_FSCACHE */
static inline int ceph_fscache_register_fs(struct ceph_fs_client* fsc,
struct fs_context *fc)
{
return 0;
}
static inline void ceph_fscache_unregister_fs(struct ceph_fs_client* fsc)
{
}
static inline void ceph_fscache_register_inode_cookie(struct inode *inode)
{
}
static inline void ceph_fscache_unregister_inode_cookie(struct ceph_inode_info* ci)
{
}
static inline void ceph_fscache_use_cookie(struct inode *inode, bool will_modify)
{
}
static inline void ceph_fscache_unuse_cookie(struct inode *inode, bool update)
{
}
static inline void ceph_fscache_update(struct inode *inode)
{
}
static inline void ceph_fscache_invalidate(struct inode *inode, bool dio_write)
{
}
static inline struct fscache_cookie *ceph_fscache_cookie(struct ceph_inode_info *ci)
{
return NULL;
}
static inline void ceph_fscache_resize(struct inode *inode, loff_t to)
{
}
static inline void ceph_fscache_unpin_writeback(struct inode *inode,
struct writeback_control *wbc)
{
}
static inline int ceph_fscache_dirty_folio(struct address_space *mapping,
struct folio *folio)
{
return filemap_dirty_folio(mapping, folio);
}
static inline bool ceph_is_cache_enabled(struct inode *inode)
{
return false;
}
static inline int ceph_begin_cache_operation(struct netfs_io_request *rreq)
{
return -ENOBUFS;
}
static inline void ceph_fscache_note_page_release(struct inode *inode)
{
}
#endif /* CONFIG_CEPH_FSCACHE */
#endif