diff options
author | Steve French <stfrench@microsoft.com> | 2023-05-21 20:46:30 -0500 |
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committer | Steve French <stfrench@microsoft.com> | 2023-05-24 16:29:21 -0500 |
commit | 38c8a9a52082579090e34c033d439ed2cd1a462d (patch) | |
tree | ca6c3bf5b2b912f32735c1aa0a045cd21a47a205 /fs/cifs/fscache.h | |
parent | cb8b02fd6343228966324528adf920bfb8b8e681 (diff) |
smb: move client and server files to common directory fs/smb
Move CIFS/SMB3 related client and server files (cifs.ko and ksmbd.ko
and helper modules) to new fs/smb subdirectory:
fs/cifs --> fs/smb/client
fs/ksmbd --> fs/smb/server
fs/smbfs_common --> fs/smb/common
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/fscache.h')
-rw-r--r-- | fs/cifs/fscache.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/fs/cifs/fscache.h b/fs/cifs/fscache.h deleted file mode 100644 index 173999610997..000000000000 --- a/fs/cifs/fscache.h +++ /dev/null @@ -1,148 +0,0 @@ -/* SPDX-License-Identifier: LGPL-2.1 */ -/* - * CIFS filesystem cache interface definitions - * - * Copyright (c) 2010 Novell, Inc. - * Authors(s): Suresh Jayaraman (sjayaraman@suse.de> - * - */ -#ifndef _CIFS_FSCACHE_H -#define _CIFS_FSCACHE_H - -#include <linux/swap.h> -#include <linux/fscache.h> - -#include "cifsglob.h" - -/* - * Coherency data attached to CIFS volume within the cache - */ -struct cifs_fscache_volume_coherency_data { - __le64 resource_id; /* unique server resource id */ - __le64 vol_create_time; - __le32 vol_serial_number; -} __packed; - -/* - * Coherency data attached to CIFS inode within the cache. - */ -struct cifs_fscache_inode_coherency_data { - __le64 last_write_time_sec; - __le64 last_change_time_sec; - __le32 last_write_time_nsec; - __le32 last_change_time_nsec; -}; - -#ifdef CONFIG_CIFS_FSCACHE - -/* - * fscache.c - */ -extern int cifs_fscache_get_super_cookie(struct cifs_tcon *); -extern void cifs_fscache_release_super_cookie(struct cifs_tcon *); - -extern void cifs_fscache_get_inode_cookie(struct inode *inode); -extern void cifs_fscache_release_inode_cookie(struct inode *); -extern void cifs_fscache_unuse_inode_cookie(struct inode *inode, bool update); - -static inline -void cifs_fscache_fill_coherency(struct inode *inode, - struct cifs_fscache_inode_coherency_data *cd) -{ - struct cifsInodeInfo *cifsi = CIFS_I(inode); - - memset(cd, 0, sizeof(*cd)); - cd->last_write_time_sec = cpu_to_le64(cifsi->netfs.inode.i_mtime.tv_sec); - cd->last_write_time_nsec = cpu_to_le32(cifsi->netfs.inode.i_mtime.tv_nsec); - cd->last_change_time_sec = cpu_to_le64(cifsi->netfs.inode.i_ctime.tv_sec); - cd->last_change_time_nsec = cpu_to_le32(cifsi->netfs.inode.i_ctime.tv_nsec); -} - - -static inline struct fscache_cookie *cifs_inode_cookie(struct inode *inode) -{ - return netfs_i_cookie(&CIFS_I(inode)->netfs); -} - -static inline void cifs_invalidate_cache(struct inode *inode, unsigned int flags) -{ - struct cifs_fscache_inode_coherency_data cd; - - cifs_fscache_fill_coherency(inode, &cd); - fscache_invalidate(cifs_inode_cookie(inode), &cd, - i_size_read(inode), flags); -} - -extern int __cifs_fscache_query_occupancy(struct inode *inode, - pgoff_t first, unsigned int nr_pages, - pgoff_t *_data_first, - unsigned int *_data_nr_pages); - -static inline int cifs_fscache_query_occupancy(struct inode *inode, - pgoff_t first, unsigned int nr_pages, - pgoff_t *_data_first, - unsigned int *_data_nr_pages) -{ - if (!cifs_inode_cookie(inode)) - return -ENOBUFS; - return __cifs_fscache_query_occupancy(inode, first, nr_pages, - _data_first, _data_nr_pages); -} - -extern int __cifs_readpage_from_fscache(struct inode *pinode, struct page *ppage); -extern void __cifs_readahead_to_fscache(struct inode *pinode, loff_t pos, size_t len); - - -static inline int cifs_readpage_from_fscache(struct inode *inode, - struct page *page) -{ - if (cifs_inode_cookie(inode)) - return __cifs_readpage_from_fscache(inode, page); - return -ENOBUFS; -} - -static inline void cifs_readahead_to_fscache(struct inode *inode, - loff_t pos, size_t len) -{ - if (cifs_inode_cookie(inode)) - __cifs_readahead_to_fscache(inode, pos, len); -} - -#else /* CONFIG_CIFS_FSCACHE */ -static inline -void cifs_fscache_fill_coherency(struct inode *inode, - struct cifs_fscache_inode_coherency_data *cd) -{ -} - -static inline int cifs_fscache_get_super_cookie(struct cifs_tcon *tcon) { return 0; } -static inline void cifs_fscache_release_super_cookie(struct cifs_tcon *tcon) {} - -static inline void cifs_fscache_get_inode_cookie(struct inode *inode) {} -static inline void cifs_fscache_release_inode_cookie(struct inode *inode) {} -static inline void cifs_fscache_unuse_inode_cookie(struct inode *inode, bool update) {} -static inline struct fscache_cookie *cifs_inode_cookie(struct inode *inode) { return NULL; } -static inline void cifs_invalidate_cache(struct inode *inode, unsigned int flags) {} - -static inline int cifs_fscache_query_occupancy(struct inode *inode, - pgoff_t first, unsigned int nr_pages, - pgoff_t *_data_first, - unsigned int *_data_nr_pages) -{ - *_data_first = ULONG_MAX; - *_data_nr_pages = 0; - return -ENOBUFS; -} - -static inline int -cifs_readpage_from_fscache(struct inode *inode, struct page *page) -{ - return -ENOBUFS; -} - -static inline -void cifs_readahead_to_fscache(struct inode *inode, loff_t pos, size_t len) {} - -#endif /* CONFIG_CIFS_FSCACHE */ - -#endif /* _CIFS_FSCACHE_H */ |