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Diffstat (limited to 'fs/nfs/read.c')
-rw-r--r--fs/nfs/read.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index f71eeee67e20..7dc21a48e3e7 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -47,6 +47,8 @@ static struct nfs_pgio_header *nfs_readhdr_alloc(void)
static void nfs_readhdr_free(struct nfs_pgio_header *rhdr)
{
+ if (rhdr->res.scratch != NULL)
+ kfree(rhdr->res.scratch);
kmem_cache_free(nfs_rdata_cachep, rhdr);
}
@@ -108,6 +110,14 @@ void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio)
}
EXPORT_SYMBOL_GPL(nfs_pageio_reset_read_mds);
+bool nfs_read_alloc_scratch(struct nfs_pgio_header *hdr, size_t size)
+{
+ WARN_ON(hdr->res.scratch != NULL);
+ hdr->res.scratch = kmalloc(size, GFP_KERNEL);
+ return hdr->res.scratch != NULL;
+}
+EXPORT_SYMBOL_GPL(nfs_read_alloc_scratch);
+
static void nfs_readpage_release(struct nfs_page *req, int error)
{
struct folio *folio = nfs_page_to_folio(req);