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NFS: remove set but not used variable 'mapping' 

Fixes gcc '-Wunused-but-set-variable' warning:

fs/nfs/write.c: In function nfs_page_async_flush:
fs/nfs/write.c:609:24: warning: variable mapping set but not used [-Wunused-but-set-variable]

It is not use since commit aefb623c422e ("NFS: Fix
writepage(s) error handling to not report errors twice")

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
YueHaibing 2019-08-27 15:16:36 +08:00 committed by Trond Myklebust
parent d33d4beb52
commit 99300a8526
1 changed files with 0 additions and 2 deletions
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2
fs/nfs/write.c
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@ -606,7 +606,6 @@ static void nfs_write_error(struct nfs_page *req, int error)
static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio, static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio,
struct page *page) struct page *page)
{ {
struct address_space *mapping;
struct nfs_page *req; struct nfs_page *req;
int ret = 0; int ret = 0;
@ -621,7 +620,6 @@ static int nfs_page_async_flush(struct nfs_pageio_descriptor *pgio,
WARN_ON_ONCE(test_bit(PG_CLEAN, &req->wb_flags)); WARN_ON_ONCE(test_bit(PG_CLEAN, &req->wb_flags));
/* If there is a fatal error that covers this write, just exit */ /* If there is a fatal error that covers this write, just exit */
mapping = page_file_mapping(page);
ret = pgio->pg_error; ret = pgio->pg_error;
if (nfs_error_is_fatal_on_server(ret)) if (nfs_error_is_fatal_on_server(ret))
goto out_launder; goto out_launder;