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NFSv4.1: filelayout driver specific code for COMMIT

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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:
Fred Isaman
2011-03-23 13:27:53 +00:00
committed by Trond Myklebust
parent 988b6dceb0
commit e0c2b38018
7 changed files with 267 additions and 7 deletions
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21
fs/nfs/write.c
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@@ -59,6 +59,7 @@ struct nfs_write_data *nfs_commitdata_alloc(void)
}
return p;
}
EXPORT_SYMBOL_GPL(nfs_commitdata_alloc);
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);
mempool_free(p, nfs_commit_mempool);
}
EXPORT_SYMBOL_GPL(nfs_commit_free);
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;
}
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);
smp_mb__after_clear_bit();
wake_up_bit(&nfsi->flags, NFS_INO_COMMIT);
}
EXPORT_SYMBOL_GPL(nfs_commit_clear_lock);
static void nfs_commitdata_release(void *data)
void nfs_commitdata_release(void *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);
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,
int how)
{
@@ -1334,11 +1337,12 @@ static int nfs_initiate_commit(struct nfs_write_data *data, struct rpc_clnt *cln
rpc_put_task(task);
return 0;
}
EXPORT_SYMBOL_GPL(nfs_initiate_commit);
/*
* 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 pnfs_layout_segment *lseg)
{
@@ -1365,8 +1369,9 @@ static void nfs_init_commit(struct nfs_write_data *data,
data->res.verf = &data->verf;
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 nfs_page *req;
@@ -1381,6 +1386,7 @@ static void nfs_retry_commit(struct list_head *page_list,
nfs_clear_page_tag_locked(req);
}
}
EXPORT_SYMBOL_GPL(nfs_retry_commit);
/*
* Commit dirty pages
@@ -1419,7 +1425,7 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata)
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;
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);
}
}
EXPORT_SYMBOL_GPL(nfs_commit_release_pages);
static void nfs_commit_release(void *calldata)
{