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Commit 12e3004e authored by Al Viro's avatar Al Viro
Browse files

untangling process_vm_..., part 3 



lift iov one more level out - from process_vm_rw_single_vec to
process_vm_rw_core().  Same story as with the previous commit.

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent c61c7038

mm/process_vm_access.c

+3 −4
Original line number Diff line number Diff line
@@ -174,7 +174,7 @@ end: 
 */

static int process_vm_rw_single_vec(unsigned long addr,

				    unsigned long len,

				    const struct iovec *lvec,

				    const struct iovec **iovp,

				    unsigned long lvec_cnt,

				    unsigned long *lvec_current,

				    size_t *lvec_offset,
@@ -193,7 +193,6 @@ static int process_vm_rw_single_vec(unsigned long addr, 
	unsigned long nr_pages_to_copy;

	unsigned long max_pages_per_loop = PVM_MAX_KMALLOC_PAGES

		/ sizeof(struct pages *);

	const struct iovec *iov = lvec + *lvec_current;



	*bytes_copied = 0;
@@ -208,7 +207,7 @@ static int process_vm_rw_single_vec(unsigned long addr, 


		rc = process_vm_rw_pages(task, mm, process_pages, pa,

					 start_offset, len,

					 &iov, lvec_cnt,

					 iovp, lvec_cnt,

					 lvec_current, lvec_offset,

					 vm_write, nr_pages_to_copy,

					 &bytes_copied_loop);
@@ -319,7 +318,7 @@ static ssize_t process_vm_rw_core(pid_t pid, const struct iovec *lvec, 
	for (i = 0; i < riovcnt && iov_l_curr_idx < liovcnt; i++) {

		rc = process_vm_rw_single_vec(

			(unsigned long)rvec[i].iov_base, rvec[i].iov_len,

			lvec, liovcnt, &iov_l_curr_idx, &iov_l_curr_offset,

			&lvec, liovcnt, &iov_l_curr_idx, &iov_l_curr_offset,

			process_pages, mm, task, vm_write, &bytes_copied_loop);

		bytes_copied += bytes_copied_loop;

		if (rc != 0) {