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NFS: Uninline nfs_writedata_(alloc|free) and nfs_readdata_(alloc|free)
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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Trond Myklebust authored and Trond Myklebust committed Mar 20, 2006
1 parent 5db3a7b commit 3feb2d4
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Showing 3 changed files with 66 additions and 65 deletions.
32 changes: 31 additions & 1 deletion fs/nfs/read.c
Original file line number Diff line number Diff line change
Expand Up @@ -40,10 +40,40 @@ static const struct rpc_call_ops nfs_read_partial_ops;
static const struct rpc_call_ops nfs_read_full_ops;

static kmem_cache_t *nfs_rdata_cachep;
mempool_t *nfs_rdata_mempool;
static mempool_t *nfs_rdata_mempool;

#define MIN_POOL_READ (32)

struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount)
{
struct nfs_read_data *p = mempool_alloc(nfs_rdata_mempool, SLAB_NOFS);

if (p) {
memset(p, 0, sizeof(*p));
INIT_LIST_HEAD(&p->pages);
if (pagecount < NFS_PAGEVEC_SIZE)
p->pagevec = &p->page_array[0];
else {
size_t size = ++pagecount * sizeof(struct page *);
p->pagevec = kmalloc(size, GFP_NOFS);
if (p->pagevec) {
memset(p->pagevec, 0, size);
} else {
mempool_free(p, nfs_rdata_mempool);
p = NULL;
}
}
}
return p;
}

void nfs_readdata_free(struct nfs_read_data *p)
{
if (p && (p->pagevec != &p->page_array[0]))
kfree(p->pagevec);
mempool_free(p, nfs_rdata_mempool);
}

void nfs_readdata_release(void *data)
{
nfs_readdata_free(data);
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32 changes: 31 additions & 1 deletion fs/nfs/write.c
Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,7 @@ static const struct rpc_call_ops nfs_write_full_ops;
static const struct rpc_call_ops nfs_commit_ops;

static kmem_cache_t *nfs_wdata_cachep;
mempool_t *nfs_wdata_mempool;
static mempool_t *nfs_wdata_mempool;
static mempool_t *nfs_commit_mempool;

static DECLARE_WAIT_QUEUE_HEAD(nfs_write_congestion);
Expand Down Expand Up @@ -119,6 +119,36 @@ void nfs_commit_free(struct nfs_write_data *p)
mempool_free(p, nfs_commit_mempool);
}

struct nfs_write_data *nfs_writedata_alloc(unsigned int pagecount)
{
struct nfs_write_data *p = mempool_alloc(nfs_wdata_mempool, SLAB_NOFS);

if (p) {
memset(p, 0, sizeof(*p));
INIT_LIST_HEAD(&p->pages);
if (pagecount < NFS_PAGEVEC_SIZE)
p->pagevec = &p->page_array[0];
else {
size_t size = ++pagecount * sizeof(struct page *);
p->pagevec = kmalloc(size, GFP_NOFS);
if (p->pagevec) {
memset(p->pagevec, 0, size);
} else {
mempool_free(p, nfs_wdata_mempool);
p = NULL;
}
}
}
return p;
}

void nfs_writedata_free(struct nfs_write_data *p)
{
if (p && (p->pagevec != &p->page_array[0]))
kfree(p->pagevec);
mempool_free(p, nfs_wdata_mempool);
}

void nfs_writedata_release(void *wdata)
{
nfs_writedata_free(wdata);
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67 changes: 4 additions & 63 deletions include/linux/nfs_fs.h
Original file line number Diff line number Diff line change
Expand Up @@ -462,37 +462,8 @@ static inline int nfs_wb_page(struct inode *inode, struct page* page)
/*
* Allocate and free nfs_write_data structures
*/
extern mempool_t *nfs_wdata_mempool;

static inline struct nfs_write_data *nfs_writedata_alloc(unsigned int pagecount)
{
struct nfs_write_data *p = mempool_alloc(nfs_wdata_mempool, SLAB_NOFS);

if (p) {
memset(p, 0, sizeof(*p));
INIT_LIST_HEAD(&p->pages);
if (pagecount < NFS_PAGEVEC_SIZE)
p->pagevec = &p->page_array[0];
else {
size_t size = ++pagecount * sizeof(struct page *);
p->pagevec = kmalloc(size, GFP_NOFS);
if (p->pagevec) {
memset(p->pagevec, 0, size);
} else {
mempool_free(p, nfs_wdata_mempool);
p = NULL;
}
}
}
return p;
}

static inline void nfs_writedata_free(struct nfs_write_data *p)
{
if (p && (p->pagevec != &p->page_array[0]))
kfree(p->pagevec);
mempool_free(p, nfs_wdata_mempool);
}
extern struct nfs_write_data *nfs_writedata_alloc(unsigned int pagecount);
extern void nfs_writedata_free(struct nfs_write_data *p);

/*
* linux/fs/nfs/read.c
Expand All @@ -503,41 +474,11 @@ extern int nfs_readpages(struct file *, struct address_space *,
extern int nfs_readpage_result(struct rpc_task *, struct nfs_read_data *);
extern void nfs_readdata_release(void *data);


/*
* Allocate and free nfs_read_data structures
*/
extern mempool_t *nfs_rdata_mempool;

static inline struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount)
{
struct nfs_read_data *p = mempool_alloc(nfs_rdata_mempool, SLAB_NOFS);

if (p) {
memset(p, 0, sizeof(*p));
INIT_LIST_HEAD(&p->pages);
if (pagecount < NFS_PAGEVEC_SIZE)
p->pagevec = &p->page_array[0];
else {
size_t size = ++pagecount * sizeof(struct page *);
p->pagevec = kmalloc(size, GFP_NOFS);
if (p->pagevec) {
memset(p->pagevec, 0, size);
} else {
mempool_free(p, nfs_rdata_mempool);
p = NULL;
}
}
}
return p;
}

static inline void nfs_readdata_free(struct nfs_read_data *p)
{
if (p && (p->pagevec != &p->page_array[0]))
kfree(p->pagevec);
mempool_free(p, nfs_rdata_mempool);
}
extern struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount);
extern void nfs_readdata_free(struct nfs_read_data *p);

/*
* linux/fs/nfs3proc.c
Expand Down

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