Skip to content

L
linux
Commit 742b3443 authored by David Howells's avatar David Howells
Browse files
Options

cifs: Remove some code that's no longer used, part 1 

Remove some code that was #if'd out with the netfslib conversion.  This is
split into parts for file.c as the diff generator otherwise produces a hard
to read diff for part of it where a big chunk is cut out.
Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
cc: linux-mm@kvack.org
parent 3ee1a1fc
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 0 additions and 825 deletions
fs/smb/client/cifsglob.h
View file @ 742b3443
......@@ -1515,18 +1515,6 @@ struct cifs_io_subrequest {
struct smbd_mr *mr;
#endif
struct cifs_credits credits;
#if 0 // TODO: Remove following elements
struct list_head list;
struct completion done;
struct work_struct work;
struct cifsFileInfo *cfile;
struct address_space *mapping;
struct cifs_aio_ctx *ctx;
enum writeback_sync_modes sync_mode;
bool uncached;
struct bio_vec *bv;
#endif
};
/*
......
fs/smb/client/cifsproto.h
View file @ 742b3443
......@@ -601,36 +601,11 @@ void __cifs_put_smb_ses(struct cifs_ses *ses);
extern struct cifs_ses *
cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb3_fs_context *ctx);
#if 0 // TODO Remove
void cifs_readdata_release(struct cifs_io_subrequest *rdata);
static inline void cifs_get_readdata(struct cifs_io_subrequest *rdata)
{
refcount_inc(&rdata->subreq.ref);
}
static inline void cifs_put_readdata(struct cifs_io_subrequest *rdata)
{
if (refcount_dec_and_test(&rdata->subreq.ref))
cifs_readdata_release(rdata);
}
#endif
int cifs_async_readv(struct cifs_io_subrequest *rdata);
int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
void cifs_async_writev(struct cifs_io_subrequest *wdata);
void cifs_writev_complete(struct work_struct *work);
#if 0 // TODO Remove
struct cifs_io_subrequest *cifs_writedata_alloc(work_func_t complete);
void cifs_writedata_release(struct cifs_io_subrequest *rdata);
static inline void cifs_get_writedata(struct cifs_io_subrequest *wdata)
{
refcount_inc(&wdata->subreq.ref);
}
static inline void cifs_put_writedata(struct cifs_io_subrequest *wdata)
{
if (refcount_dec_and_test(&wdata->subreq.ref))
cifs_writedata_release(wdata);
}
#endif
int cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
struct cifs_sb_info *cifs_sb,
const unsigned char *path, char *pbuf,
......
fs/smb/client/file.c
View file @ 742b3443
This diff is collapsed.
fs/smb/client/fscache.c
View file @ 742b3443
......@@ -170,114 +170,3 @@ void cifs_fscache_release_inode_cookie(struct inode *inode)
cifsi->netfs.cache = NULL;
}
}
#if 0 // TODO remove
/*
* Fallback page reading interface.
*/
static int fscache_fallback_read_page(struct inode *inode, struct page *page)
{
struct netfs_cache_resources cres;
struct fscache_cookie *cookie = cifs_inode_cookie(inode);
struct iov_iter iter;
struct bio_vec bvec;
int ret;
memset(&cres, 0, sizeof(cres));
bvec_set_page(&bvec, page, PAGE_SIZE, 0);
iov_iter_bvec(&iter, ITER_DEST, &bvec, 1, PAGE_SIZE);
ret = fscache_begin_read_operation(&cres, cookie);
if (ret < 0)
return ret;
ret = fscache_read(&cres, page_offset(page), &iter, NETFS_READ_HOLE_FAIL,
NULL, NULL);
fscache_end_operation(&cres);
return ret;
}
/*
* Fallback page writing interface.
*/
static int fscache_fallback_write_pages(struct inode *inode, loff_t start, size_t len,
bool no_space_allocated_yet)
{
struct netfs_cache_resources cres;
struct fscache_cookie *cookie = cifs_inode_cookie(inode);
struct iov_iter iter;
int ret;
memset(&cres, 0, sizeof(cres));
iov_iter_xarray(&iter, ITER_SOURCE, &inode->i_mapping->i_pages, start, len);
ret = fscache_begin_write_operation(&cres, cookie);
if (ret < 0)
return ret;
ret = cres.ops->prepare_write(&cres, &start, &len, len, i_size_read(inode),
no_space_allocated_yet);
if (ret == 0)
ret = fscache_write(&cres, start, &iter, NULL, NULL);
fscache_end_operation(&cres);
return ret;
}
/*
* Retrieve a page from FS-Cache
*/
int __cifs_readpage_from_fscache(struct inode *inode, struct page *page)
{
int ret;
cifs_dbg(FYI, "%s: (fsc:%p, p:%p, i:0x%p\n",
__func__, cifs_inode_cookie(inode), page, inode);
ret = fscache_fallback_read_page(inode, page);
if (ret < 0)
return ret;
/* Read completed synchronously */
SetPageUptodate(page);
return 0;
}
void __cifs_readahead_to_fscache(struct inode *inode, loff_t pos, size_t len)
{
cifs_dbg(FYI, "%s: (fsc: %p, p: %llx, l: %zx, i: %p)\n",
__func__, cifs_inode_cookie(inode), pos, len, inode);
fscache_fallback_write_pages(inode, pos, len, true);
}
/*
* Query the cache occupancy.
*/
int __cifs_fscache_query_occupancy(struct inode *inode,
pgoff_t first, unsigned int nr_pages,
pgoff_t *_data_first,
unsigned int *_data_nr_pages)
{
struct netfs_cache_resources cres;
struct fscache_cookie *cookie = cifs_inode_cookie(inode);
loff_t start, data_start;
size_t len, data_len;
int ret;
ret = fscache_begin_read_operation(&cres, cookie);
if (ret < 0)
return ret;
start = first * PAGE_SIZE;
len = nr_pages * PAGE_SIZE;
ret = cres.ops->query_occupancy(&cres, start, len, PAGE_SIZE,
&data_start, &data_len);
if (ret == 0) {
*_data_first = data_start / PAGE_SIZE;
*_data_nr_pages = len / PAGE_SIZE;
}
fscache_end_operation(&cres);
return ret;
}
#endif
fs/smb/client/fscache.h
View file @ 742b3443
......@@ -74,43 +74,6 @@ static inline void cifs_invalidate_cache(struct inode *inode, unsigned int flags
i_size_read(inode), flags);
}
#if 0 // TODO remove
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);
}
#endif
static inline bool cifs_fscache_enabled(struct inode *inode)
{
return fscache_cookie_enabled(cifs_inode_cookie(inode));
......@@ -133,27 +96,6 @@ static inline struct fscache_cookie *cifs_inode_cookie(struct inode *inode) { re
static inline void cifs_invalidate_cache(struct inode *inode, unsigned int flags) {}
static inline bool cifs_fscache_enabled(struct inode *inode) { return false; }
#if 0 // TODO remove
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
#endif /* CONFIG_CIFS_FSCACHE */
#endif /* _CIFS_FSCACHE_H */
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7