mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-15 08:44:14 +08:00
NFSv4.1: filelayout driver specific code for COMMIT
Implement all the hooks created in the previous patches. This requires exporting quite a few functions and adding a few structure fields. Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
parent
988b6dceb0
commit
e0c2b38018
@ -1470,6 +1470,7 @@ static inline void nfs4_init_once(struct nfs_inode *nfsi)
|
|||||||
nfsi->delegation_state = 0;
|
nfsi->delegation_state = 0;
|
||||||
init_rwsem(&nfsi->rwsem);
|
init_rwsem(&nfsi->rwsem);
|
||||||
nfsi->layout = NULL;
|
nfsi->layout = NULL;
|
||||||
|
atomic_set(&nfsi->commits_outstanding, 0);
|
||||||
#endif
|
#endif
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -276,11 +276,25 @@ extern int nfs_initiate_read(struct nfs_read_data *data, struct rpc_clnt *clnt,
|
|||||||
extern void nfs_read_prepare(struct rpc_task *task, void *calldata);
|
extern void nfs_read_prepare(struct rpc_task *task, void *calldata);
|
||||||
|
|
||||||
/* write.c */
|
/* write.c */
|
||||||
|
extern void nfs_commit_free(struct nfs_write_data *p);
|
||||||
extern int nfs_initiate_write(struct nfs_write_data *data,
|
extern int nfs_initiate_write(struct nfs_write_data *data,
|
||||||
struct rpc_clnt *clnt,
|
struct rpc_clnt *clnt,
|
||||||
const struct rpc_call_ops *call_ops,
|
const struct rpc_call_ops *call_ops,
|
||||||
int how);
|
int how);
|
||||||
extern void nfs_write_prepare(struct rpc_task *task, void *calldata);
|
extern void nfs_write_prepare(struct rpc_task *task, void *calldata);
|
||||||
|
extern int nfs_initiate_commit(struct nfs_write_data *data,
|
||||||
|
struct rpc_clnt *clnt,
|
||||||
|
const struct rpc_call_ops *call_ops,
|
||||||
|
int how);
|
||||||
|
extern void nfs_init_commit(struct nfs_write_data *data,
|
||||||
|
struct list_head *head,
|
||||||
|
struct pnfs_layout_segment *lseg);
|
||||||
|
void nfs_retry_commit(struct list_head *page_list,
|
||||||
|
struct pnfs_layout_segment *lseg);
|
||||||
|
void nfs_commit_clear_lock(struct nfs_inode *nfsi);
|
||||||
|
void nfs_commitdata_release(void *data);
|
||||||
|
void nfs_commit_release_pages(struct nfs_write_data *data);
|
||||||
|
|
||||||
#ifdef CONFIG_MIGRATION
|
#ifdef CONFIG_MIGRATION
|
||||||
extern int nfs_migrate_page(struct address_space *,
|
extern int nfs_migrate_page(struct address_space *,
|
||||||
struct page *, struct page *);
|
struct page *, struct page *);
|
||||||
|
@ -213,6 +213,37 @@ static int filelayout_write_done_cb(struct rpc_task *task,
|
|||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/* Fake up some data that will cause nfs_commit_release to retry the writes. */
|
||||||
|
static void prepare_to_resend_writes(struct nfs_write_data *data)
|
||||||
|
{
|
||||||
|
struct nfs_page *first = nfs_list_entry(data->pages.next);
|
||||||
|
|
||||||
|
data->task.tk_status = 0;
|
||||||
|
memcpy(data->verf.verifier, first->wb_verf.verifier,
|
||||||
|
sizeof(first->wb_verf.verifier));
|
||||||
|
data->verf.verifier[0]++; /* ensure verifier mismatch */
|
||||||
|
}
|
||||||
|
|
||||||
|
static int filelayout_commit_done_cb(struct rpc_task *task,
|
||||||
|
struct nfs_write_data *data)
|
||||||
|
{
|
||||||
|
int reset = 0;
|
||||||
|
|
||||||
|
if (filelayout_async_handle_error(task, data->args.context->state,
|
||||||
|
data->ds_clp, &reset) == -EAGAIN) {
|
||||||
|
dprintk("%s calling restart ds_clp %p ds_clp->cl_session %p\n",
|
||||||
|
__func__, data->ds_clp, data->ds_clp->cl_session);
|
||||||
|
if (reset) {
|
||||||
|
prepare_to_resend_writes(data);
|
||||||
|
filelayout_set_lo_fail(data->lseg);
|
||||||
|
} else
|
||||||
|
nfs_restart_rpc(task, data->ds_clp);
|
||||||
|
return -EAGAIN;
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
static void filelayout_write_prepare(struct rpc_task *task, void *data)
|
static void filelayout_write_prepare(struct rpc_task *task, void *data)
|
||||||
{
|
{
|
||||||
struct nfs_write_data *wdata = (struct nfs_write_data *)data;
|
struct nfs_write_data *wdata = (struct nfs_write_data *)data;
|
||||||
@ -240,6 +271,16 @@ static void filelayout_write_release(void *data)
|
|||||||
wdata->mds_ops->rpc_release(data);
|
wdata->mds_ops->rpc_release(data);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void filelayout_commit_release(void *data)
|
||||||
|
{
|
||||||
|
struct nfs_write_data *wdata = (struct nfs_write_data *)data;
|
||||||
|
|
||||||
|
nfs_commit_release_pages(wdata);
|
||||||
|
if (atomic_dec_and_test(&NFS_I(wdata->inode)->commits_outstanding))
|
||||||
|
nfs_commit_clear_lock(NFS_I(wdata->inode));
|
||||||
|
nfs_commitdata_release(wdata);
|
||||||
|
}
|
||||||
|
|
||||||
struct rpc_call_ops filelayout_read_call_ops = {
|
struct rpc_call_ops filelayout_read_call_ops = {
|
||||||
.rpc_call_prepare = filelayout_read_prepare,
|
.rpc_call_prepare = filelayout_read_prepare,
|
||||||
.rpc_call_done = filelayout_read_call_done,
|
.rpc_call_done = filelayout_read_call_done,
|
||||||
@ -252,6 +293,12 @@ struct rpc_call_ops filelayout_write_call_ops = {
|
|||||||
.rpc_release = filelayout_write_release,
|
.rpc_release = filelayout_write_release,
|
||||||
};
|
};
|
||||||
|
|
||||||
|
struct rpc_call_ops filelayout_commit_call_ops = {
|
||||||
|
.rpc_call_prepare = filelayout_write_prepare,
|
||||||
|
.rpc_call_done = filelayout_write_call_done,
|
||||||
|
.rpc_release = filelayout_commit_release,
|
||||||
|
};
|
||||||
|
|
||||||
static enum pnfs_try_status
|
static enum pnfs_try_status
|
||||||
filelayout_read_pagelist(struct nfs_read_data *data)
|
filelayout_read_pagelist(struct nfs_read_data *data)
|
||||||
{
|
{
|
||||||
@ -574,6 +621,191 @@ filelayout_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev,
|
|||||||
return (p_stripe == r_stripe);
|
return (p_stripe == r_stripe);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static bool filelayout_mark_pnfs_commit(struct pnfs_layout_segment *lseg)
|
||||||
|
{
|
||||||
|
return !FILELAYOUT_LSEG(lseg)->commit_through_mds;
|
||||||
|
}
|
||||||
|
|
||||||
|
static u32 select_bucket_index(struct nfs4_filelayout_segment *fl, u32 j)
|
||||||
|
{
|
||||||
|
if (fl->stripe_type == STRIPE_SPARSE)
|
||||||
|
return nfs4_fl_calc_ds_index(&fl->generic_hdr, j);
|
||||||
|
else
|
||||||
|
return j;
|
||||||
|
}
|
||||||
|
|
||||||
|
struct list_head *filelayout_choose_commit_list(struct nfs_page *req)
|
||||||
|
{
|
||||||
|
struct pnfs_layout_segment *lseg = req->wb_commit_lseg;
|
||||||
|
struct nfs4_filelayout_segment *fl = FILELAYOUT_LSEG(lseg);
|
||||||
|
u32 i, j;
|
||||||
|
struct list_head *list;
|
||||||
|
|
||||||
|
/* Note that we are calling nfs4_fl_calc_j_index on each page
|
||||||
|
* that ends up being committed to a data server. An attractive
|
||||||
|
* alternative is to add a field to nfs_write_data and nfs_page
|
||||||
|
* to store the value calculated in filelayout_write_pagelist
|
||||||
|
* and just use that here.
|
||||||
|
*/
|
||||||
|
j = nfs4_fl_calc_j_index(lseg,
|
||||||
|
(loff_t)req->wb_index << PAGE_CACHE_SHIFT);
|
||||||
|
i = select_bucket_index(fl, j);
|
||||||
|
list = &fl->commit_buckets[i];
|
||||||
|
if (list_empty(list)) {
|
||||||
|
/* Non-empty buckets hold a reference on the lseg */
|
||||||
|
get_lseg(lseg);
|
||||||
|
}
|
||||||
|
return list;
|
||||||
|
}
|
||||||
|
|
||||||
|
static u32 calc_ds_index_from_commit(struct pnfs_layout_segment *lseg, u32 i)
|
||||||
|
{
|
||||||
|
struct nfs4_filelayout_segment *flseg = FILELAYOUT_LSEG(lseg);
|
||||||
|
|
||||||
|
if (flseg->stripe_type == STRIPE_SPARSE)
|
||||||
|
return i;
|
||||||
|
else
|
||||||
|
return nfs4_fl_calc_ds_index(lseg, i);
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct nfs_fh *
|
||||||
|
select_ds_fh_from_commit(struct pnfs_layout_segment *lseg, u32 i)
|
||||||
|
{
|
||||||
|
struct nfs4_filelayout_segment *flseg = FILELAYOUT_LSEG(lseg);
|
||||||
|
|
||||||
|
if (flseg->stripe_type == STRIPE_SPARSE) {
|
||||||
|
if (flseg->num_fh == 1)
|
||||||
|
i = 0;
|
||||||
|
else if (flseg->num_fh == 0)
|
||||||
|
/* Use the MDS OPEN fh set in nfs_read_rpcsetup */
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
return flseg->fh_array[i];
|
||||||
|
}
|
||||||
|
|
||||||
|
static int filelayout_initiate_commit(struct nfs_write_data *data, int how)
|
||||||
|
{
|
||||||
|
struct pnfs_layout_segment *lseg = data->lseg;
|
||||||
|
struct nfs4_pnfs_ds *ds;
|
||||||
|
u32 idx;
|
||||||
|
struct nfs_fh *fh;
|
||||||
|
|
||||||
|
idx = calc_ds_index_from_commit(lseg, data->ds_commit_index);
|
||||||
|
ds = nfs4_fl_prepare_ds(lseg, idx);
|
||||||
|
if (!ds) {
|
||||||
|
printk(KERN_ERR "%s: prepare_ds failed, use MDS\n", __func__);
|
||||||
|
set_bit(lo_fail_bit(IOMODE_RW), &lseg->pls_layout->plh_flags);
|
||||||
|
set_bit(lo_fail_bit(IOMODE_READ), &lseg->pls_layout->plh_flags);
|
||||||
|
prepare_to_resend_writes(data);
|
||||||
|
data->mds_ops->rpc_release(data);
|
||||||
|
return -EAGAIN;
|
||||||
|
}
|
||||||
|
dprintk("%s ino %lu, how %d\n", __func__, data->inode->i_ino, how);
|
||||||
|
data->write_done_cb = filelayout_commit_done_cb;
|
||||||
|
data->ds_clp = ds->ds_clp;
|
||||||
|
fh = select_ds_fh_from_commit(lseg, data->ds_commit_index);
|
||||||
|
if (fh)
|
||||||
|
data->args.fh = fh;
|
||||||
|
return nfs_initiate_commit(data, ds->ds_clp->cl_rpcclient,
|
||||||
|
&filelayout_commit_call_ops, how);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* This is only useful while we are using whole file layouts.
|
||||||
|
*/
|
||||||
|
static struct pnfs_layout_segment *find_only_write_lseg(struct inode *inode)
|
||||||
|
{
|
||||||
|
struct pnfs_layout_segment *lseg, *rv = NULL;
|
||||||
|
|
||||||
|
spin_lock(&inode->i_lock);
|
||||||
|
list_for_each_entry(lseg, &NFS_I(inode)->layout->plh_segs, pls_list)
|
||||||
|
if (lseg->pls_range.iomode == IOMODE_RW)
|
||||||
|
rv = get_lseg(lseg);
|
||||||
|
spin_unlock(&inode->i_lock);
|
||||||
|
return rv;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int alloc_ds_commits(struct inode *inode, struct list_head *list)
|
||||||
|
{
|
||||||
|
struct pnfs_layout_segment *lseg;
|
||||||
|
struct nfs4_filelayout_segment *fl;
|
||||||
|
struct nfs_write_data *data;
|
||||||
|
int i, j;
|
||||||
|
|
||||||
|
/* Won't need this when non-whole file layout segments are supported
|
||||||
|
* instead we will use a pnfs_layout_hdr structure */
|
||||||
|
lseg = find_only_write_lseg(inode);
|
||||||
|
if (!lseg)
|
||||||
|
return 0;
|
||||||
|
fl = FILELAYOUT_LSEG(lseg);
|
||||||
|
for (i = 0; i < fl->number_of_buckets; i++) {
|
||||||
|
if (list_empty(&fl->commit_buckets[i]))
|
||||||
|
continue;
|
||||||
|
data = nfs_commitdata_alloc();
|
||||||
|
if (!data)
|
||||||
|
goto out_bad;
|
||||||
|
data->ds_commit_index = i;
|
||||||
|
data->lseg = lseg;
|
||||||
|
list_add(&data->pages, list);
|
||||||
|
}
|
||||||
|
put_lseg(lseg);
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
out_bad:
|
||||||
|
for (j = i; j < fl->number_of_buckets; j++) {
|
||||||
|
if (list_empty(&fl->commit_buckets[i]))
|
||||||
|
continue;
|
||||||
|
nfs_retry_commit(&fl->commit_buckets[i], lseg);
|
||||||
|
put_lseg(lseg); /* associated with emptying bucket */
|
||||||
|
}
|
||||||
|
put_lseg(lseg);
|
||||||
|
/* Caller will clean up entries put on list */
|
||||||
|
return -ENOMEM;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* This follows nfs_commit_list pretty closely */
|
||||||
|
static int
|
||||||
|
filelayout_commit_pagelist(struct inode *inode, struct list_head *mds_pages,
|
||||||
|
int how)
|
||||||
|
{
|
||||||
|
struct nfs_write_data *data, *tmp;
|
||||||
|
LIST_HEAD(list);
|
||||||
|
|
||||||
|
if (!list_empty(mds_pages)) {
|
||||||
|
data = nfs_commitdata_alloc();
|
||||||
|
if (!data)
|
||||||
|
goto out_bad;
|
||||||
|
data->lseg = NULL;
|
||||||
|
list_add(&data->pages, &list);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (alloc_ds_commits(inode, &list))
|
||||||
|
goto out_bad;
|
||||||
|
|
||||||
|
list_for_each_entry_safe(data, tmp, &list, pages) {
|
||||||
|
list_del_init(&data->pages);
|
||||||
|
atomic_inc(&NFS_I(inode)->commits_outstanding);
|
||||||
|
if (!data->lseg) {
|
||||||
|
nfs_init_commit(data, mds_pages, NULL);
|
||||||
|
nfs_initiate_commit(data, NFS_CLIENT(inode),
|
||||||
|
data->mds_ops, how);
|
||||||
|
} else {
|
||||||
|
nfs_init_commit(data, &FILELAYOUT_LSEG(data->lseg)->commit_buckets[data->ds_commit_index], data->lseg);
|
||||||
|
filelayout_initiate_commit(data, how);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
out_bad:
|
||||||
|
list_for_each_entry_safe(data, tmp, &list, pages) {
|
||||||
|
nfs_retry_commit(&data->pages, data->lseg);
|
||||||
|
list_del_init(&data->pages);
|
||||||
|
nfs_commit_free(data);
|
||||||
|
}
|
||||||
|
nfs_retry_commit(mds_pages, NULL);
|
||||||
|
nfs_commit_clear_lock(NFS_I(inode));
|
||||||
|
return -ENOMEM;
|
||||||
|
}
|
||||||
|
|
||||||
static struct pnfs_layoutdriver_type filelayout_type = {
|
static struct pnfs_layoutdriver_type filelayout_type = {
|
||||||
.id = LAYOUT_NFSV4_1_FILES,
|
.id = LAYOUT_NFSV4_1_FILES,
|
||||||
.name = "LAYOUT_NFSV4_1_FILES",
|
.name = "LAYOUT_NFSV4_1_FILES",
|
||||||
@ -581,6 +813,9 @@ static struct pnfs_layoutdriver_type filelayout_type = {
|
|||||||
.alloc_lseg = filelayout_alloc_lseg,
|
.alloc_lseg = filelayout_alloc_lseg,
|
||||||
.free_lseg = filelayout_free_lseg,
|
.free_lseg = filelayout_free_lseg,
|
||||||
.pg_test = filelayout_pg_test,
|
.pg_test = filelayout_pg_test,
|
||||||
|
.mark_pnfs_commit = filelayout_mark_pnfs_commit,
|
||||||
|
.choose_commit_list = filelayout_choose_commit_list,
|
||||||
|
.commit_pagelist = filelayout_commit_pagelist,
|
||||||
.read_pagelist = filelayout_read_pagelist,
|
.read_pagelist = filelayout_read_pagelist,
|
||||||
.write_pagelist = filelayout_write_pagelist,
|
.write_pagelist = filelayout_write_pagelist,
|
||||||
};
|
};
|
||||||
|
@ -259,6 +259,7 @@ put_lseg(struct pnfs_layout_segment *lseg)
|
|||||||
pnfs_free_lseg_list(&free_me);
|
pnfs_free_lseg_list(&free_me);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
EXPORT_SYMBOL_GPL(put_lseg);
|
||||||
|
|
||||||
static bool
|
static bool
|
||||||
should_free_lseg(u32 lseg_iomode, u32 recall_iomode)
|
should_free_lseg(u32 lseg_iomode, u32 recall_iomode)
|
||||||
|
@ -59,6 +59,7 @@ struct nfs_write_data *nfs_commitdata_alloc(void)
|
|||||||
}
|
}
|
||||||
return p;
|
return p;
|
||||||
}
|
}
|
||||||
|
EXPORT_SYMBOL_GPL(nfs_commitdata_alloc);
|
||||||
|
|
||||||
void nfs_commit_free(struct nfs_write_data *p)
|
void nfs_commit_free(struct nfs_write_data *p)
|
||||||
{
|
{
|
||||||
@ -66,6 +67,7 @@ void nfs_commit_free(struct nfs_write_data *p)
|
|||||||
kfree(p->pagevec);
|
kfree(p->pagevec);
|
||||||
mempool_free(p, nfs_commit_mempool);
|
mempool_free(p, nfs_commit_mempool);
|
||||||
}
|
}
|
||||||
|
EXPORT_SYMBOL_GPL(nfs_commit_free);
|
||||||
|
|
||||||
struct nfs_write_data *nfs_writedata_alloc(unsigned int pagecount)
|
struct nfs_write_data *nfs_writedata_alloc(unsigned int pagecount)
|
||||||
{
|
{
|
||||||
@ -1283,15 +1285,15 @@ static int nfs_commit_set_lock(struct nfs_inode *nfsi, int may_wait)
|
|||||||
return (ret < 0) ? ret : 1;
|
return (ret < 0) ? ret : 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
static void nfs_commit_clear_lock(struct nfs_inode *nfsi)
|
void nfs_commit_clear_lock(struct nfs_inode *nfsi)
|
||||||
{
|
{
|
||||||
clear_bit(NFS_INO_COMMIT, &nfsi->flags);
|
clear_bit(NFS_INO_COMMIT, &nfsi->flags);
|
||||||
smp_mb__after_clear_bit();
|
smp_mb__after_clear_bit();
|
||||||
wake_up_bit(&nfsi->flags, NFS_INO_COMMIT);
|
wake_up_bit(&nfsi->flags, NFS_INO_COMMIT);
|
||||||
}
|
}
|
||||||
|
EXPORT_SYMBOL_GPL(nfs_commit_clear_lock);
|
||||||
|
|
||||||
|
void nfs_commitdata_release(void *data)
|
||||||
static void nfs_commitdata_release(void *data)
|
|
||||||
{
|
{
|
||||||
struct nfs_write_data *wdata = data;
|
struct nfs_write_data *wdata = data;
|
||||||
|
|
||||||
@ -1299,8 +1301,9 @@ static void nfs_commitdata_release(void *data)
|
|||||||
put_nfs_open_context(wdata->args.context);
|
put_nfs_open_context(wdata->args.context);
|
||||||
nfs_commit_free(wdata);
|
nfs_commit_free(wdata);
|
||||||
}
|
}
|
||||||
|
EXPORT_SYMBOL_GPL(nfs_commitdata_release);
|
||||||
|
|
||||||
static int nfs_initiate_commit(struct nfs_write_data *data, struct rpc_clnt *clnt,
|
int nfs_initiate_commit(struct nfs_write_data *data, struct rpc_clnt *clnt,
|
||||||
const struct rpc_call_ops *call_ops,
|
const struct rpc_call_ops *call_ops,
|
||||||
int how)
|
int how)
|
||||||
{
|
{
|
||||||
@ -1334,11 +1337,12 @@ static int nfs_initiate_commit(struct nfs_write_data *data, struct rpc_clnt *cln
|
|||||||
rpc_put_task(task);
|
rpc_put_task(task);
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
EXPORT_SYMBOL_GPL(nfs_initiate_commit);
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Set up the argument/result storage required for the RPC call.
|
* Set up the argument/result storage required for the RPC call.
|
||||||
*/
|
*/
|
||||||
static void nfs_init_commit(struct nfs_write_data *data,
|
void nfs_init_commit(struct nfs_write_data *data,
|
||||||
struct list_head *head,
|
struct list_head *head,
|
||||||
struct pnfs_layout_segment *lseg)
|
struct pnfs_layout_segment *lseg)
|
||||||
{
|
{
|
||||||
@ -1365,8 +1369,9 @@ static void nfs_init_commit(struct nfs_write_data *data,
|
|||||||
data->res.verf = &data->verf;
|
data->res.verf = &data->verf;
|
||||||
nfs_fattr_init(&data->fattr);
|
nfs_fattr_init(&data->fattr);
|
||||||
}
|
}
|
||||||
|
EXPORT_SYMBOL_GPL(nfs_init_commit);
|
||||||
|
|
||||||
static void nfs_retry_commit(struct list_head *page_list,
|
void nfs_retry_commit(struct list_head *page_list,
|
||||||
struct pnfs_layout_segment *lseg)
|
struct pnfs_layout_segment *lseg)
|
||||||
{
|
{
|
||||||
struct nfs_page *req;
|
struct nfs_page *req;
|
||||||
@ -1381,6 +1386,7 @@ static void nfs_retry_commit(struct list_head *page_list,
|
|||||||
nfs_clear_page_tag_locked(req);
|
nfs_clear_page_tag_locked(req);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
EXPORT_SYMBOL_GPL(nfs_retry_commit);
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Commit dirty pages
|
* Commit dirty pages
|
||||||
@ -1419,7 +1425,7 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata)
|
|||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
static void nfs_commit_release_pages(struct nfs_write_data *data)
|
void nfs_commit_release_pages(struct nfs_write_data *data)
|
||||||
{
|
{
|
||||||
struct nfs_page *req;
|
struct nfs_page *req;
|
||||||
int status = data->task.tk_status;
|
int status = data->task.tk_status;
|
||||||
@ -1456,6 +1462,7 @@ static void nfs_commit_release_pages(struct nfs_write_data *data)
|
|||||||
nfs_clear_page_tag_locked(req);
|
nfs_clear_page_tag_locked(req);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
EXPORT_SYMBOL_GPL(nfs_commit_release_pages);
|
||||||
|
|
||||||
static void nfs_commit_release(void *calldata)
|
static void nfs_commit_release(void *calldata)
|
||||||
{
|
{
|
||||||
|
@ -198,6 +198,7 @@ struct nfs_inode {
|
|||||||
|
|
||||||
/* pNFS layout information */
|
/* pNFS layout information */
|
||||||
struct pnfs_layout_hdr *layout;
|
struct pnfs_layout_hdr *layout;
|
||||||
|
atomic_t commits_outstanding;
|
||||||
#endif /* CONFIG_NFS_V4*/
|
#endif /* CONFIG_NFS_V4*/
|
||||||
#ifdef CONFIG_NFS_FSCACHE
|
#ifdef CONFIG_NFS_FSCACHE
|
||||||
struct fscache_cookie *fscache;
|
struct fscache_cookie *fscache;
|
||||||
|
@ -1040,6 +1040,7 @@ struct nfs_write_data {
|
|||||||
struct nfs_writeres res; /* result struct */
|
struct nfs_writeres res; /* result struct */
|
||||||
struct pnfs_layout_segment *lseg;
|
struct pnfs_layout_segment *lseg;
|
||||||
struct nfs_client *ds_clp; /* pNFS data server */
|
struct nfs_client *ds_clp; /* pNFS data server */
|
||||||
|
int ds_commit_index;
|
||||||
const struct rpc_call_ops *mds_ops;
|
const struct rpc_call_ops *mds_ops;
|
||||||
int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
|
int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
|
||||||
#ifdef CONFIG_NFS_V4
|
#ifdef CONFIG_NFS_V4
|
||||||
|
Loading…
Reference in New Issue
Block a user