pnfs: align layoutget requests on page boundaries (707ed5fd) · Commits · e / devices / android_kernel_teracube_emerald

fs/nfs/pnfs.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -850,6 +850,7 @@ pnfs_update_layout(struct inode *ino,
		.offset = pos,
		.length = count,
		};
		unsigned pg_offset;
		struct nfs_inode *nfsi = NFS_I(ino);
		struct nfs_client *clp = NFS_SERVER(ino)->nfs_client;
		struct pnfs_layout_hdr *lo;
		@@ -899,6 +900,13 @@ pnfs_update_layout(struct inode *ino,
		spin_unlock(&clp->cl_lock);
		}

		pg_offset = arg.offset & ~PAGE_CACHE_MASK;
		if (pg_offset) {
		arg.offset -= pg_offset;
		arg.length += pg_offset;
		}
		arg.length = PAGE_CACHE_ALIGN(arg.length);

		lseg = send_layoutget(lo, ctx, &arg, gfp_flags);
		if (!lseg && first) {
		spin_lock(&clp->cl_lock);