Commit 7b9c0976 authored by Cong Wang's avatar Cong Wang Committed by Cong Wang
Browse files

nilfs2: remove the second argument of k[un]map_atomic() 



Acked-by: default avatarRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: default avatarCong Wang <amwang@redhat.com>
parent 2b86ce2d

fs/nilfs2/cpfile.c

+47 −47
Original line number Diff line number Diff line
@@ -218,11 +218,11 @@ int nilfs_cpfile_get_checkpoint(struct inode *cpfile, 
								 kaddr, 1);

		mark_buffer_dirty(cp_bh);



		kaddr = kmap_atomic(header_bh->b_page, KM_USER0);

		kaddr = kmap_atomic(header_bh->b_page);

		header = nilfs_cpfile_block_get_header(cpfile, header_bh,

						       kaddr);

		le64_add_cpu(&header->ch_ncheckpoints, 1);

		kunmap_atomic(kaddr, KM_USER0);

		kunmap_atomic(kaddr);

		mark_buffer_dirty(header_bh);

		nilfs_mdt_mark_dirty(cpfile);

	}
@@ -313,7 +313,7 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile, 
			continue;

		}



		kaddr = kmap_atomic(cp_bh->b_page, KM_USER0);

		kaddr = kmap_atomic(cp_bh->b_page);

		cp = nilfs_cpfile_block_get_checkpoint(

			cpfile, cno, cp_bh, kaddr);

		nicps = 0;
@@ -334,7 +334,7 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile, 
						cpfile, cp_bh, kaddr, nicps);

				if (count == 0) {

					/* make hole */

					kunmap_atomic(kaddr, KM_USER0);

					kunmap_atomic(kaddr);

					brelse(cp_bh);

					ret =

					  nilfs_cpfile_delete_checkpoint_block(
@@ -349,18 +349,18 @@ int nilfs_cpfile_delete_checkpoints(struct inode *cpfile, 
			}

		}



		kunmap_atomic(kaddr, KM_USER0);

		kunmap_atomic(kaddr);

		brelse(cp_bh);

	}



	if (tnicps > 0) {

		kaddr = kmap_atomic(header_bh->b_page, KM_USER0);

		kaddr = kmap_atomic(header_bh->b_page);

		header = nilfs_cpfile_block_get_header(cpfile, header_bh,

						       kaddr);

		le64_add_cpu(&header->ch_ncheckpoints, -(u64)tnicps);

		mark_buffer_dirty(header_bh);

		nilfs_mdt_mark_dirty(cpfile);

		kunmap_atomic(kaddr, KM_USER0);

		kunmap_atomic(kaddr);

	}



	brelse(header_bh);
@@ -408,7 +408,7 @@ static ssize_t nilfs_cpfile_do_get_cpinfo(struct inode *cpfile, __u64 *cnop, 
			continue; /* skip hole */

		}



		kaddr = kmap_atomic(bh->b_page, KM_USER0);

		kaddr = kmap_atomic(bh->b_page);

		cp = nilfs_cpfile_block_get_checkpoint(cpfile, cno, bh, kaddr);

		for (i = 0; i < ncps && n < nci; i++, cp = (void *)cp + cpsz) {

			if (!nilfs_checkpoint_invalid(cp)) {
@@ -418,7 +418,7 @@ static ssize_t nilfs_cpfile_do_get_cpinfo(struct inode *cpfile, __u64 *cnop, 
				n++;

			}

		}

		kunmap_atomic(kaddr, KM_USER0);

		kunmap_atomic(kaddr);

		brelse(bh);

	}
@@ -451,10 +451,10 @@ static ssize_t nilfs_cpfile_do_get_ssinfo(struct inode *cpfile, __u64 *cnop, 
		ret = nilfs_cpfile_get_header_block(cpfile, &bh);

		if (ret < 0)

			goto out;

		kaddr = kmap_atomic(bh->b_page, KM_USER0);

		kaddr = kmap_atomic(bh->b_page);

		header = nilfs_cpfile_block_get_header(cpfile, bh, kaddr);

		curr = le64_to_cpu(header->ch_snapshot_list.ssl_next);

		kunmap_atomic(kaddr, KM_USER0);

		kunmap_atomic(kaddr);

		brelse(bh);

		if (curr == 0) {

			ret = 0;
@@ -472,7 +472,7 @@ static ssize_t nilfs_cpfile_do_get_ssinfo(struct inode *cpfile, __u64 *cnop, 
			ret = 0; /* No snapshots (started from a hole block) */

		goto out;

	}

	kaddr = kmap_atomic(bh->b_page, KM_USER0);

	kaddr = kmap_atomic(bh->b_page);

	while (n < nci) {

		cp = nilfs_cpfile_block_get_checkpoint(cpfile, curr, bh, kaddr);

		curr = ~(__u64)0; /* Terminator */
@@ -488,7 +488,7 @@ static ssize_t nilfs_cpfile_do_get_ssinfo(struct inode *cpfile, __u64 *cnop, 


		next_blkoff = nilfs_cpfile_get_blkoff(cpfile, next);

		if (curr_blkoff != next_blkoff) {

			kunmap_atomic(kaddr, KM_USER0);

			kunmap_atomic(kaddr);

			brelse(bh);

			ret = nilfs_cpfile_get_checkpoint_block(cpfile, next,

								0, &bh);
@@ -496,12 +496,12 @@ static ssize_t nilfs_cpfile_do_get_ssinfo(struct inode *cpfile, __u64 *cnop, 
				WARN_ON(ret == -ENOENT);

				goto out;

			}

			kaddr = kmap_atomic(bh->b_page, KM_USER0);

			kaddr = kmap_atomic(bh->b_page);

		}

		curr = next;

		curr_blkoff = next_blkoff;

	}

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);

	brelse(bh);

	*cnop = curr;

	ret = n;
@@ -592,24 +592,24 @@ static int nilfs_cpfile_set_snapshot(struct inode *cpfile, __u64 cno) 
	ret = nilfs_cpfile_get_checkpoint_block(cpfile, cno, 0, &cp_bh);

	if (ret < 0)

		goto out_sem;

	kaddr = kmap_atomic(cp_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(cp_bh->b_page);

	cp = nilfs_cpfile_block_get_checkpoint(cpfile, cno, cp_bh, kaddr);

	if (nilfs_checkpoint_invalid(cp)) {

		ret = -ENOENT;

		kunmap_atomic(kaddr, KM_USER0);

		kunmap_atomic(kaddr);

		goto out_cp;

	}

	if (nilfs_checkpoint_snapshot(cp)) {

		ret = 0;

		kunmap_atomic(kaddr, KM_USER0);

		kunmap_atomic(kaddr);

		goto out_cp;

	}

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	ret = nilfs_cpfile_get_header_block(cpfile, &header_bh);

	if (ret < 0)

		goto out_cp;

	kaddr = kmap_atomic(header_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(header_bh->b_page);

	header = nilfs_cpfile_block_get_header(cpfile, header_bh, kaddr);

	list = &header->ch_snapshot_list;

	curr_bh = header_bh;
@@ -621,13 +621,13 @@ static int nilfs_cpfile_set_snapshot(struct inode *cpfile, __u64 cno) 
		prev_blkoff = nilfs_cpfile_get_blkoff(cpfile, prev);

		curr = prev;

		if (curr_blkoff != prev_blkoff) {

			kunmap_atomic(kaddr, KM_USER0);

			kunmap_atomic(kaddr);

			brelse(curr_bh);

			ret = nilfs_cpfile_get_checkpoint_block(cpfile, curr,

								0, &curr_bh);

			if (ret < 0)

				goto out_header;

			kaddr = kmap_atomic(curr_bh->b_page, KM_USER0);

			kaddr = kmap_atomic(curr_bh->b_page);

		}

		curr_blkoff = prev_blkoff;

		cp = nilfs_cpfile_block_get_checkpoint(
@@ -635,7 +635,7 @@ static int nilfs_cpfile_set_snapshot(struct inode *cpfile, __u64 cno) 
		list = &cp->cp_snapshot_list;

		prev = le64_to_cpu(list->ssl_prev);

	}

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	if (prev != 0) {

		ret = nilfs_cpfile_get_checkpoint_block(cpfile, prev, 0,
@@ -647,29 +647,29 @@ static int nilfs_cpfile_set_snapshot(struct inode *cpfile, __u64 cno) 
		get_bh(prev_bh);

	}



	kaddr = kmap_atomic(curr_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(curr_bh->b_page);

	list = nilfs_cpfile_block_get_snapshot_list(

		cpfile, curr, curr_bh, kaddr);

	list->ssl_prev = cpu_to_le64(cno);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	kaddr = kmap_atomic(cp_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(cp_bh->b_page);

	cp = nilfs_cpfile_block_get_checkpoint(cpfile, cno, cp_bh, kaddr);

	cp->cp_snapshot_list.ssl_next = cpu_to_le64(curr);

	cp->cp_snapshot_list.ssl_prev = cpu_to_le64(prev);

	nilfs_checkpoint_set_snapshot(cp);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	kaddr = kmap_atomic(prev_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(prev_bh->b_page);

	list = nilfs_cpfile_block_get_snapshot_list(

		cpfile, prev, prev_bh, kaddr);

	list->ssl_next = cpu_to_le64(cno);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	kaddr = kmap_atomic(header_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(header_bh->b_page);

	header = nilfs_cpfile_block_get_header(cpfile, header_bh, kaddr);

	le64_add_cpu(&header->ch_nsnapshots, 1);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	mark_buffer_dirty(prev_bh);

	mark_buffer_dirty(curr_bh);
@@ -710,23 +710,23 @@ static int nilfs_cpfile_clear_snapshot(struct inode *cpfile, __u64 cno) 
	ret = nilfs_cpfile_get_checkpoint_block(cpfile, cno, 0, &cp_bh);

	if (ret < 0)

		goto out_sem;

	kaddr = kmap_atomic(cp_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(cp_bh->b_page);

	cp = nilfs_cpfile_block_get_checkpoint(cpfile, cno, cp_bh, kaddr);

	if (nilfs_checkpoint_invalid(cp)) {

		ret = -ENOENT;

		kunmap_atomic(kaddr, KM_USER0);

		kunmap_atomic(kaddr);

		goto out_cp;

	}

	if (!nilfs_checkpoint_snapshot(cp)) {

		ret = 0;

		kunmap_atomic(kaddr, KM_USER0);

		kunmap_atomic(kaddr);

		goto out_cp;

	}



	list = &cp->cp_snapshot_list;

	next = le64_to_cpu(list->ssl_next);

	prev = le64_to_cpu(list->ssl_prev);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	ret = nilfs_cpfile_get_header_block(cpfile, &header_bh);

	if (ret < 0)
@@ -750,29 +750,29 @@ static int nilfs_cpfile_clear_snapshot(struct inode *cpfile, __u64 cno) 
		get_bh(prev_bh);

	}



	kaddr = kmap_atomic(next_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(next_bh->b_page);

	list = nilfs_cpfile_block_get_snapshot_list(

		cpfile, next, next_bh, kaddr);

	list->ssl_prev = cpu_to_le64(prev);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	kaddr = kmap_atomic(prev_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(prev_bh->b_page);

	list = nilfs_cpfile_block_get_snapshot_list(

		cpfile, prev, prev_bh, kaddr);

	list->ssl_next = cpu_to_le64(next);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	kaddr = kmap_atomic(cp_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(cp_bh->b_page);

	cp = nilfs_cpfile_block_get_checkpoint(cpfile, cno, cp_bh, kaddr);

	cp->cp_snapshot_list.ssl_next = cpu_to_le64(0);

	cp->cp_snapshot_list.ssl_prev = cpu_to_le64(0);

	nilfs_checkpoint_clear_snapshot(cp);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	kaddr = kmap_atomic(header_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(header_bh->b_page);

	header = nilfs_cpfile_block_get_header(cpfile, header_bh, kaddr);

	le64_add_cpu(&header->ch_nsnapshots, -1);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	mark_buffer_dirty(next_bh);

	mark_buffer_dirty(prev_bh);
@@ -829,13 +829,13 @@ int nilfs_cpfile_is_snapshot(struct inode *cpfile, __u64 cno) 
	ret = nilfs_cpfile_get_checkpoint_block(cpfile, cno, 0, &bh);

	if (ret < 0)

		goto out;

	kaddr = kmap_atomic(bh->b_page, KM_USER0);

	kaddr = kmap_atomic(bh->b_page);

	cp = nilfs_cpfile_block_get_checkpoint(cpfile, cno, bh, kaddr);

	if (nilfs_checkpoint_invalid(cp))

		ret = -ENOENT;

	else

		ret = nilfs_checkpoint_snapshot(cp);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);

	brelse(bh);



 out:
@@ -912,12 +912,12 @@ int nilfs_cpfile_get_stat(struct inode *cpfile, struct nilfs_cpstat *cpstat) 
	ret = nilfs_cpfile_get_header_block(cpfile, &bh);

	if (ret < 0)

		goto out_sem;

	kaddr = kmap_atomic(bh->b_page, KM_USER0);

	kaddr = kmap_atomic(bh->b_page);

	header = nilfs_cpfile_block_get_header(cpfile, bh, kaddr);

	cpstat->cs_cno = nilfs_mdt_cno(cpfile);

	cpstat->cs_ncps = le64_to_cpu(header->ch_ncheckpoints);

	cpstat->cs_nsss = le64_to_cpu(header->ch_nsnapshots);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);

	brelse(bh);



 out_sem:

fs/nilfs2/dat.c

+19 −19
Original line number Diff line number Diff line
@@ -85,13 +85,13 @@ void nilfs_dat_commit_alloc(struct inode *dat, struct nilfs_palloc_req *req) 
	struct nilfs_dat_entry *entry;

	void *kaddr;



	kaddr = kmap_atomic(req->pr_entry_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(req->pr_entry_bh->b_page);

	entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,

					     req->pr_entry_bh, kaddr);

	entry->de_start = cpu_to_le64(NILFS_CNO_MIN);

	entry->de_end = cpu_to_le64(NILFS_CNO_MAX);

	entry->de_blocknr = cpu_to_le64(0);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	nilfs_palloc_commit_alloc_entry(dat, req);

	nilfs_dat_commit_entry(dat, req);
@@ -109,13 +109,13 @@ static void nilfs_dat_commit_free(struct inode *dat, 
	struct nilfs_dat_entry *entry;

	void *kaddr;



	kaddr = kmap_atomic(req->pr_entry_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(req->pr_entry_bh->b_page);

	entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,

					     req->pr_entry_bh, kaddr);

	entry->de_start = cpu_to_le64(NILFS_CNO_MIN);

	entry->de_end = cpu_to_le64(NILFS_CNO_MIN);

	entry->de_blocknr = cpu_to_le64(0);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	nilfs_dat_commit_entry(dat, req);

	nilfs_palloc_commit_free_entry(dat, req);
@@ -136,12 +136,12 @@ void nilfs_dat_commit_start(struct inode *dat, struct nilfs_palloc_req *req, 
	struct nilfs_dat_entry *entry;

	void *kaddr;



	kaddr = kmap_atomic(req->pr_entry_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(req->pr_entry_bh->b_page);

	entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,

					     req->pr_entry_bh, kaddr);

	entry->de_start = cpu_to_le64(nilfs_mdt_cno(dat));

	entry->de_blocknr = cpu_to_le64(blocknr);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	nilfs_dat_commit_entry(dat, req);

}
@@ -160,12 +160,12 @@ int nilfs_dat_prepare_end(struct inode *dat, struct nilfs_palloc_req *req) 
		return ret;

	}



	kaddr = kmap_atomic(req->pr_entry_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(req->pr_entry_bh->b_page);

	entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,

					     req->pr_entry_bh, kaddr);

	start = le64_to_cpu(entry->de_start);

	blocknr = le64_to_cpu(entry->de_blocknr);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	if (blocknr == 0) {

		ret = nilfs_palloc_prepare_free_entry(dat, req);
@@ -186,7 +186,7 @@ void nilfs_dat_commit_end(struct inode *dat, struct nilfs_palloc_req *req, 
	sector_t blocknr;

	void *kaddr;



	kaddr = kmap_atomic(req->pr_entry_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(req->pr_entry_bh->b_page);

	entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,

					     req->pr_entry_bh, kaddr);

	end = start = le64_to_cpu(entry->de_start);
@@ -196,7 +196,7 @@ void nilfs_dat_commit_end(struct inode *dat, struct nilfs_palloc_req *req, 
	}

	entry->de_end = cpu_to_le64(end);

	blocknr = le64_to_cpu(entry->de_blocknr);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	if (blocknr == 0)

		nilfs_dat_commit_free(dat, req);
@@ -211,12 +211,12 @@ void nilfs_dat_abort_end(struct inode *dat, struct nilfs_palloc_req *req) 
	sector_t blocknr;

	void *kaddr;



	kaddr = kmap_atomic(req->pr_entry_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(req->pr_entry_bh->b_page);

	entry = nilfs_palloc_block_get_entry(dat, req->pr_entry_nr,

					     req->pr_entry_bh, kaddr);

	start = le64_to_cpu(entry->de_start);

	blocknr = le64_to_cpu(entry->de_blocknr);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	if (start == nilfs_mdt_cno(dat) && blocknr == 0)

		nilfs_palloc_abort_free_entry(dat, req);
@@ -346,20 +346,20 @@ int nilfs_dat_move(struct inode *dat, __u64 vblocknr, sector_t blocknr) 
		}

	}



	kaddr = kmap_atomic(entry_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(entry_bh->b_page);

	entry = nilfs_palloc_block_get_entry(dat, vblocknr, entry_bh, kaddr);

	if (unlikely(entry->de_blocknr == cpu_to_le64(0))) {

		printk(KERN_CRIT "%s: vbn = %llu, [%llu, %llu)\n", __func__,

		       (unsigned long long)vblocknr,

		       (unsigned long long)le64_to_cpu(entry->de_start),

		       (unsigned long long)le64_to_cpu(entry->de_end));

		kunmap_atomic(kaddr, KM_USER0);

		kunmap_atomic(kaddr);

		brelse(entry_bh);

		return -EINVAL;

	}

	WARN_ON(blocknr == 0);

	entry->de_blocknr = cpu_to_le64(blocknr);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	mark_buffer_dirty(entry_bh);

	nilfs_mdt_mark_dirty(dat);
@@ -409,7 +409,7 @@ int nilfs_dat_translate(struct inode *dat, __u64 vblocknr, sector_t *blocknrp) 
		}

	}



	kaddr = kmap_atomic(entry_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(entry_bh->b_page);

	entry = nilfs_palloc_block_get_entry(dat, vblocknr, entry_bh, kaddr);

	blocknr = le64_to_cpu(entry->de_blocknr);

	if (blocknr == 0) {
@@ -419,7 +419,7 @@ int nilfs_dat_translate(struct inode *dat, __u64 vblocknr, sector_t *blocknrp) 
	*blocknrp = blocknr;



 out:

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);

	brelse(entry_bh);

	return ret;

}
@@ -440,7 +440,7 @@ ssize_t nilfs_dat_get_vinfo(struct inode *dat, void *buf, unsigned visz, 
						   0, &entry_bh);

		if (ret < 0)

			return ret;

		kaddr = kmap_atomic(entry_bh->b_page, KM_USER0);

		kaddr = kmap_atomic(entry_bh->b_page);

		/* last virtual block number in this block */

		first = vinfo->vi_vblocknr;

		do_div(first, entries_per_block);
@@ -456,7 +456,7 @@ ssize_t nilfs_dat_get_vinfo(struct inode *dat, void *buf, unsigned visz, 
			vinfo->vi_end = le64_to_cpu(entry->de_end);

			vinfo->vi_blocknr = le64_to_cpu(entry->de_blocknr);

		}

		kunmap_atomic(kaddr, KM_USER0);

		kunmap_atomic(kaddr);

		brelse(entry_bh);

	}

fs/nilfs2/dir.c

+2 −2
Original line number Diff line number Diff line
@@ -602,7 +602,7 @@ int nilfs_make_empty(struct inode *inode, struct inode *parent) 
		unlock_page(page);

		goto fail;

	}

	kaddr = kmap_atomic(page, KM_USER0);

	kaddr = kmap_atomic(page);

	memset(kaddr, 0, chunk_size);

	de = (struct nilfs_dir_entry *)kaddr;

	de->name_len = 1;
@@ -617,7 +617,7 @@ int nilfs_make_empty(struct inode *inode, struct inode *parent) 
	de->inode = cpu_to_le64(parent->i_ino);

	memcpy(de->name, "..\0", 4);

	nilfs_set_de_type(de, inode);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);

	nilfs_commit_chunk(page, mapping, 0, chunk_size);

fail:

	page_cache_release(page);

fs/nilfs2/ifile.c

+2 −2
Original line number Diff line number Diff line
@@ -122,11 +122,11 @@ int nilfs_ifile_delete_inode(struct inode *ifile, ino_t ino) 
		return ret;

	}



	kaddr = kmap_atomic(req.pr_entry_bh->b_page, KM_USER0);

	kaddr = kmap_atomic(req.pr_entry_bh->b_page);

	raw_inode = nilfs_palloc_block_get_entry(ifile, req.pr_entry_nr,

						 req.pr_entry_bh, kaddr);

	raw_inode->i_flags = 0;

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	mark_buffer_dirty(req.pr_entry_bh);

	brelse(req.pr_entry_bh);

fs/nilfs2/mdt.c

+2 −2
Original line number Diff line number Diff line
@@ -58,12 +58,12 @@ nilfs_mdt_insert_new_block(struct inode *inode, unsigned long block, 


	set_buffer_mapped(bh);



	kaddr = kmap_atomic(bh->b_page, KM_USER0);

	kaddr = kmap_atomic(bh->b_page);

	memset(kaddr + bh_offset(bh), 0, 1 << inode->i_blkbits);

	if (init_block)

		init_block(inode, bh, kaddr);

	flush_dcache_page(bh->b_page);

	kunmap_atomic(kaddr, KM_USER0);

	kunmap_atomic(kaddr);



	set_buffer_uptodate(bh);

	mark_buffer_dirty(bh);