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authorTrond Myklebust <trondmy@gmail.com>2019-04-07 13:59:11 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2019-04-25 14:18:15 -0400
commit9fcd5960e88bbdc74a70d9e3a5ab46b489fc4b80 (patch)
tree6f2b82626a3a59c4af52a6b3e30b81501dfc32ec /fs/nfs/write.c
parent154945112dac10b7109d816275f3e4896b0b064e (diff)
NFS: Add a helper to return a pointer to the open context of a struct nfs_page
Add a helper for when we remove the explicit pointer to the open context. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/write.c')
-rw-r--r--fs/nfs/write.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 294604784f70..bc5bb9323412 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -964,7 +964,8 @@ static void
nfs_clear_request_commit(struct nfs_page *req)
{
if (test_bit(PG_CLEAN, &req->wb_flags)) {
- struct inode *inode = d_inode(req->wb_context->dentry);
+ struct nfs_open_context *ctx = nfs_req_openctx(req);
+ struct inode *inode = d_inode(ctx->dentry);
struct nfs_commit_info cinfo;
nfs_init_cinfo_from_inode(&cinfo, inode);
@@ -1219,7 +1220,7 @@ int nfs_flush_incompatible(struct file *file, struct page *page)
return 0;
l_ctx = req->wb_lock_context;
do_flush = req->wb_page != page ||
- !nfs_match_open_context(req->wb_context, ctx);
+ !nfs_match_open_context(nfs_req_openctx(req), ctx);
if (l_ctx && flctx &&
!(list_empty_careful(&flctx->flc_posix) &&
list_empty_careful(&flctx->flc_flock))) {
@@ -1422,7 +1423,7 @@ static void nfs_redirty_request(struct nfs_page *req)
/* Bump the transmission count */
req->wb_nio++;
nfs_mark_request_dirty(req);
- set_bit(NFS_CONTEXT_RESEND_WRITES, &req->wb_context->flags);
+ set_bit(NFS_CONTEXT_RESEND_WRITES, &nfs_req_openctx(req)->flags);
nfs_end_page_writeback(req);
nfs_release_request(req);
}
@@ -1742,7 +1743,8 @@ void nfs_init_commit(struct nfs_commit_data *data,
struct nfs_commit_info *cinfo)
{
struct nfs_page *first = nfs_list_entry(head->next);
- struct inode *inode = d_inode(first->wb_context->dentry);
+ struct nfs_open_context *ctx = nfs_req_openctx(first);
+ struct inode *inode = d_inode(ctx->dentry);
/* Set up the RPC argument and reply structs
* NB: take care not to mess about with data->commit et al. */
@@ -1750,7 +1752,7 @@ void nfs_init_commit(struct nfs_commit_data *data,
list_splice_init(head, &data->pages);
data->inode = inode;
- data->cred = first->wb_context->cred;
+ data->cred = ctx->cred;
data->lseg = lseg; /* reference transferred */
/* only set lwb for pnfs commit */
if (lseg)
@@ -1763,7 +1765,7 @@ void nfs_init_commit(struct nfs_commit_data *data,
/* Note: we always request a commit of the entire inode */
data->args.offset = 0;
data->args.count = 0;
- data->context = get_nfs_open_context(first->wb_context);
+ data->context = get_nfs_open_context(ctx);
data->res.fattr = &data->fattr;
data->res.verf = &data->verf;
nfs_fattr_init(&data->fattr);
@@ -1846,8 +1848,8 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data)
nfs_clear_page_commit(req->wb_page);
dprintk("NFS: commit (%s/%llu %d@%lld)",
- req->wb_context->dentry->d_sb->s_id,
- (unsigned long long)NFS_FILEID(d_inode(req->wb_context->dentry)),
+ nfs_req_openctx(req)->dentry->d_sb->s_id,
+ (unsigned long long)NFS_FILEID(d_inode(nfs_req_openctx(req)->dentry)),
req->wb_bytes,
(long long)req_offset(req));
if (status < 0) {
@@ -1871,7 +1873,7 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data)
/* We have a mismatch. Write the page again */
dprintk_cont(" mismatch\n");
nfs_mark_request_dirty(req);
- set_bit(NFS_CONTEXT_RESEND_WRITES, &req->wb_context->flags);
+ set_bit(NFS_CONTEXT_RESEND_WRITES, &nfs_req_openctx(req)->flags);
next:
nfs_unlock_and_release_request(req);
/* Latency breaker */