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afs: Conditionalise a new unused variable

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The bulk readpages support introduced a harmless warning:

fs/afs/file.c: In function 'afs_readpages_page_done':
fs/afs/file.c:270:20: error: unused variable 'vnode' [-Werror=unused-variable]

This adds an #ifdef to match the user of that variable.  The user of the
variable has to be conditional because it accesses a member of a struct
that is also conditional.

Fixes: 91b467e0a3 ("afs: Make afs_readpages() fetch data in bulk")
Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: David Howells <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Arnd Bergmann 2017-01-13 14:46:19 +00:00 • committed by David S. Miller
commit 51c89e6a3b
1 changed files with 2 additions and 0 deletions
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fs/afs/file.c
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@ -267,7 +267,9 @@ static int afs_readpage(struct file *file, struct page *page)
*/
static void afs_readpages_page_done(struct afs_call *call, struct afs_read *req)
{
#ifdef CONFIG_AFS_FSCACHE
struct afs_vnode *vnode = call->reply;
#endif
struct page *page = req->pages[req->index];
req->pages[req->index] = NULL;