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| author |   Anna Schumaker <Anna.Schumaker@Netapp.com> | 2016-01-19 14:37:30 -0500 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2016-05-17 15:47:55 -0400 |
| commit | 67911c8f18b595040f5c2df0550c69a7c9397891 (patch) | |
| tree | 11583f0793161d5bb0632ff1c45d14b81b24c89a /fs/nfs/pagelist.c | |
| parent | Fixing oops in callback path (diff) | |
| download | linux-dev-67911c8f18b595040f5c2df0550c69a7c9397891.tar.xz linux-dev-67911c8f18b595040f5c2df0550c69a7c9397891.zip | |
NFS: Add nfs_commit_file()
Copy will use this to set up a commit request for a generic range. I
don't want to allocate a new pagecache entry for the file, so I needed
to change parts of the commit path to handle requests with a null
wb_page.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/pagelist.c')
| -rw-r--r-- | fs/nfs/pagelist.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 1f6db4231057..174dd4cf5747 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -341,8 +341,10 @@ nfs_create_request(struct nfs_open_context *ctx, struct page *page, * long write-back delay. This will be adjusted in * update_nfs_request below if the region is not locked. */ req->wb_page = page; - req->wb_index = page_file_index(page); - get_page(page); + if (page) { + req->wb_index = page_file_index(page); + get_page(page); + } req->wb_offset = offset; req->wb_pgbase = offset; req->wb_bytes = count; |