1 files changed, 58 insertions, 57 deletions

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 10aa4d9a4b7c..a2e30c403ef2 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -247,7 +247,7 @@ static struct bio *__bio_alloc(struct f2fs_sb_info *sbi, block_t blk_addr,
 	} else {
 		bio->bi_end_io = f2fs_write_end_io;
 		bio->bi_private = sbi;
-		bio->bi_write_hint = io_type_to_rw_hint(sbi, type, temp);
+		bio->bi_write_hint = f2fs_io_type_to_rw_hint(sbi, type, temp);
 	}
 	if (wbc)
 		wbc_init_bio(wbc, bio);
@@ -604,7 +604,7 @@ static void __set_data_blkaddr(struct dnode_of_data *dn)
  *  ->node_page
  *    update block addresses in the node page
  */
-void set_data_blkaddr(struct dnode_of_data *dn)
+void f2fs_set_data_blkaddr(struct dnode_of_data *dn)
 {
 	f2fs_wait_on_page_writeback(dn->node_page, NODE, true);
 	__set_data_blkaddr(dn);
@@ -615,12 +615,12 @@ void set_data_blkaddr(struct dnode_of_data *dn)
 void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr)
 {
 	dn->data_blkaddr = blkaddr;
-	set_data_blkaddr(dn);
+	f2fs_set_data_blkaddr(dn);
 	f2fs_update_extent_cache(dn);
 }
 
 /* dn->ofs_in_node will be returned with up-to-date last block pointer */
-int reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count)
+int f2fs_reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
 	int err;
@@ -654,12 +654,12 @@ int reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count)
 }
 
 /* Should keep dn->ofs_in_node unchanged */
-int reserve_new_block(struct dnode_of_data *dn)
+int f2fs_reserve_new_block(struct dnode_of_data *dn)
 {
 	unsigned int ofs_in_node = dn->ofs_in_node;
 	int ret;
 
-	ret = reserve_new_blocks(dn, 1);
+	ret = f2fs_reserve_new_blocks(dn, 1);
 	dn->ofs_in_node = ofs_in_node;
 	return ret;
 }
@@ -669,12 +669,12 @@ int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index)
 	bool need_put = dn->inode_page ? false : true;
 	int err;
 
-	err = get_dnode_of_data(dn, index, ALLOC_NODE);
+	err = f2fs_get_dnode_of_data(dn, index, ALLOC_NODE);
 	if (err)
 		return err;
 
 	if (dn->data_blkaddr == NULL_ADDR)
-		err = reserve_new_block(dn);
+		err = f2fs_reserve_new_block(dn);
 	if (err || need_put)
 		f2fs_put_dnode(dn);
 	return err;
@@ -693,7 +693,7 @@ int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index)
 	return f2fs_reserve_block(dn, index);
 }
 
-struct page *get_read_data_page(struct inode *inode, pgoff_t index,
+struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
 						int op_flags, bool for_write)
 {
 	struct address_space *mapping = inode->i_mapping;
@@ -712,7 +712,7 @@ struct page *get_read_data_page(struct inode *inode, pgoff_t index,
 	}
 
 	set_new_dnode(&dn, inode, NULL, NULL, 0);
-	err = get_dnode_of_data(&dn, index, LOOKUP_NODE);
+	err = f2fs_get_dnode_of_data(&dn, index, LOOKUP_NODE);
 	if (err)
 		goto put_err;
 	f2fs_put_dnode(&dn);
@@ -731,7 +731,8 @@ got_it:
 	 * A new dentry page is allocated but not able to be written, since its
 	 * new inode page couldn't be allocated due to -ENOSPC.
 	 * In such the case, its blkaddr can be remained as NEW_ADDR.
-	 * see, f2fs_add_link -> get_new_data_page -> init_inode_metadata.
+	 * see, f2fs_add_link -> f2fs_get_new_data_page ->
+	 * f2fs_init_inode_metadata.
 	 */
 	if (dn.data_blkaddr == NEW_ADDR) {
 		zero_user_segment(page, 0, PAGE_SIZE);
@@ -751,7 +752,7 @@ put_err:
 	return ERR_PTR(err);
 }
 
-struct page *find_data_page(struct inode *inode, pgoff_t index)
+struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index)
 {
 	struct address_space *mapping = inode->i_mapping;
 	struct page *page;
@@ -761,7 +762,7 @@ struct page *find_data_page(struct inode *inode, pgoff_t index)
 		return page;
 	f2fs_put_page(page, 0);
 
-	page = get_read_data_page(inode, index, 0, false);
+	page = f2fs_get_read_data_page(inode, index, 0, false);
 	if (IS_ERR(page))
 		return page;
 
@@ -781,13 +782,13 @@ struct page *find_data_page(struct inode *inode, pgoff_t index)
  * Because, the callers, functions in dir.c and GC, should be able to know
  * whether this page exists or not.
  */
-struct page *get_lock_data_page(struct inode *inode, pgoff_t index,
+struct page *f2fs_get_lock_data_page(struct inode *inode, pgoff_t index,
 							bool for_write)
 {
 	struct address_space *mapping = inode->i_mapping;
 	struct page *page;
 repeat:
-	page = get_read_data_page(inode, index, 0, for_write);
+	page = f2fs_get_read_data_page(inode, index, 0, for_write);
 	if (IS_ERR(page))
 		return page;
 
@@ -813,7 +814,7 @@ repeat:
  * Note that, ipage is set only by make_empty_dir, and if any error occur,
  * ipage should be released by this function.
  */
-struct page *get_new_data_page(struct inode *inode,
+struct page *f2fs_get_new_data_page(struct inode *inode,
 		struct page *ipage, pgoff_t index, bool new_i_size)
 {
 	struct address_space *mapping = inode->i_mapping;
@@ -852,7 +853,7 @@ struct page *get_new_data_page(struct inode *inode,
 
 		/* if ipage exists, blkaddr should be NEW_ADDR */
 		f2fs_bug_on(F2FS_I_SB(inode), ipage);
-		page = get_lock_data_page(inode, index, true);
+		page = f2fs_get_lock_data_page(inode, index, true);
 		if (IS_ERR(page))
 			return page;
 	}
@@ -884,15 +885,15 @@ static int __allocate_data_block(struct dnode_of_data *dn, int seg_type)
 		return err;
 
 alloc:
-	get_node_info(sbi, dn->nid, &ni);
+	f2fs_get_node_info(sbi, dn->nid, &ni);
 	set_summary(&sum, dn->nid, dn->ofs_in_node, ni.version);
 
-	allocate_data_block(sbi, NULL, dn->data_blkaddr, &dn->data_blkaddr,
+	f2fs_allocate_data_block(sbi, NULL, dn->data_blkaddr, &dn->data_blkaddr,
 					&sum, seg_type, NULL, false);
-	set_data_blkaddr(dn);
+	f2fs_set_data_blkaddr(dn);
 
 	/* update i_size */
-	fofs = start_bidx_of_node(ofs_of_node(dn->node_page), dn->inode) +
+	fofs = f2fs_start_bidx_of_node(ofs_of_node(dn->node_page), dn->inode) +
 							dn->ofs_in_node;
 	if (i_size_read(dn->inode) < ((loff_t)(fofs + 1) << PAGE_SHIFT))
 		f2fs_i_size_write(dn->inode,
@@ -930,7 +931,7 @@ int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from)
 	map.m_seg_type = NO_CHECK_TYPE;
 
 	if (direct_io) {
-		map.m_seg_type = rw_hint_to_seg_type(iocb->ki_hint);
+		map.m_seg_type = f2fs_rw_hint_to_seg_type(iocb->ki_hint);
 		flag = f2fs_force_buffered_io(inode, WRITE) ?
 					F2FS_GET_BLOCK_PRE_AIO :
 					F2FS_GET_BLOCK_PRE_DIO;
@@ -1020,7 +1021,7 @@ next_dnode:
 
 	/* When reading holes, we need its node page */
 	set_new_dnode(&dn, inode, NULL, NULL, 0);
-	err = get_dnode_of_data(&dn, pgofs, mode);
+	err = f2fs_get_dnode_of_data(&dn, pgofs, mode);
 	if (err) {
 		if (flag == F2FS_GET_BLOCK_BMAP)
 			map->m_pblk = 0;
@@ -1028,10 +1029,10 @@ next_dnode:
 			err = 0;
 			if (map->m_next_pgofs)
 				*map->m_next_pgofs =
-					get_next_page_offset(&dn, pgofs);
+					f2fs_get_next_page_offset(&dn, pgofs);
 			if (map->m_next_extent)
 				*map->m_next_extent =
-					get_next_page_offset(&dn, pgofs);
+					f2fs_get_next_page_offset(&dn, pgofs);
 		}
 		goto unlock_out;
 	}
@@ -1117,7 +1118,7 @@ skip:
 			(pgofs == end || dn.ofs_in_node == end_offset)) {
 
 		dn.ofs_in_node = ofs_in_node;
-		err = reserve_new_blocks(&dn, prealloc);
+		err = f2fs_reserve_new_blocks(&dn, prealloc);
 		if (err)
 			goto sync_out;
 
@@ -1236,7 +1237,7 @@ static int get_data_block_dio(struct inode *inode, sector_t iblock,
 {
 	return __get_data_block(inode, iblock, bh_result, create,
 						F2FS_GET_BLOCK_DEFAULT, NULL,
-						rw_hint_to_seg_type(
+						f2fs_rw_hint_to_seg_type(
 							inode->i_write_hint));
 }
 
@@ -1281,7 +1282,7 @@ static int f2fs_xattr_fiemap(struct inode *inode,
 		if (!page)
 			return -ENOMEM;
 
-		get_node_info(sbi, inode->i_ino, &ni);
+		f2fs_get_node_info(sbi, inode->i_ino, &ni);
 
 		phys = (__u64)blk_to_logical(inode, ni.blk_addr);
 		offset = offsetof(struct f2fs_inode, i_addr) +
@@ -1308,7 +1309,7 @@ static int f2fs_xattr_fiemap(struct inode *inode,
 		if (!page)
 			return -ENOMEM;
 
-		get_node_info(sbi, xnid, &ni);
+		f2fs_get_node_info(sbi, xnid, &ni);
 
 		phys = (__u64)blk_to_logical(inode, ni.blk_addr);
 		len = inode->i_sb->s_blocksize;
@@ -1612,12 +1613,12 @@ static inline bool check_inplace_update_policy(struct inode *inode,
 
 	if (policy & (0x1 << F2FS_IPU_FORCE))
 		return true;
-	if (policy & (0x1 << F2FS_IPU_SSR) && need_SSR(sbi))
+	if (policy & (0x1 << F2FS_IPU_SSR) && f2fs_need_SSR(sbi))
 		return true;
 	if (policy & (0x1 << F2FS_IPU_UTIL) &&
 			utilization(sbi) > SM_I(sbi)->min_ipu_util)
 		return true;
-	if (policy & (0x1 << F2FS_IPU_SSR_UTIL) && need_SSR(sbi) &&
+	if (policy & (0x1 << F2FS_IPU_SSR_UTIL) && f2fs_need_SSR(sbi) &&
 			utilization(sbi) > SM_I(sbi)->min_ipu_util)
 		return true;
 
@@ -1638,7 +1639,7 @@ static inline bool check_inplace_update_policy(struct inode *inode,
 	return false;
 }
 
-bool should_update_inplace(struct inode *inode, struct f2fs_io_info *fio)
+bool f2fs_should_update_inplace(struct inode *inode, struct f2fs_io_info *fio)
 {
 	if (f2fs_is_pinned_file(inode))
 		return true;
@@ -1650,7 +1651,7 @@ bool should_update_inplace(struct inode *inode, struct f2fs_io_info *fio)
 	return check_inplace_update_policy(inode, fio);
 }
 
-bool should_update_outplace(struct inode *inode, struct f2fs_io_info *fio)
+bool f2fs_should_update_outplace(struct inode *inode, struct f2fs_io_info *fio)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 
@@ -1673,13 +1674,13 @@ static inline bool need_inplace_update(struct f2fs_io_info *fio)
 {
 	struct inode *inode = fio->page->mapping->host;
 
-	if (should_update_outplace(inode, fio))
+	if (f2fs_should_update_outplace(inode, fio))
 		return false;
 
-	return should_update_inplace(inode, fio);
+	return f2fs_should_update_inplace(inode, fio);
 }
 
-int do_write_data_page(struct f2fs_io_info *fio)
+int f2fs_do_write_data_page(struct f2fs_io_info *fio)
 {
 	struct page *page = fio->page;
 	struct inode *inode = page->mapping->host;
@@ -1704,7 +1705,7 @@ int do_write_data_page(struct f2fs_io_info *fio)
 	if (fio->need_lock == LOCK_REQ && !f2fs_trylock_op(fio->sbi))
 		return -EAGAIN;
 
-	err = get_dnode_of_data(&dn, page->index, LOOKUP_NODE);
+	err = f2fs_get_dnode_of_data(&dn, page->index, LOOKUP_NODE);
 	if (err)
 		goto out;
 
@@ -1731,7 +1732,7 @@ got_it:
 		f2fs_put_dnode(&dn);
 		if (fio->need_lock == LOCK_REQ)
 			f2fs_unlock_op(fio->sbi);
-		err = rewrite_data_page(fio);
+		err = f2fs_inplace_write_data(fio);
 		trace_f2fs_do_write_data_page(fio->page, IPU);
 		set_inode_flag(inode, FI_UPDATE_WRITE);
 		return err;
@@ -1753,7 +1754,7 @@ got_it:
 	ClearPageError(page);
 
 	/* LFS mode write path */
-	write_data_page(&dn, fio);
+	f2fs_outplace_write_data(&dn, fio);
 	trace_f2fs_do_write_data_page(page, OPU);
 	set_inode_flag(inode, FI_APPEND_WRITE);
 	if (page->index == 0)
@@ -1829,13 +1830,13 @@ write:
 	/* we should not write 0'th page having journal header */
 	if (f2fs_is_volatile_file(inode) && (!page->index ||
 			(!wbc->for_reclaim &&
-			available_free_memory(sbi, BASE_CHECK))))
+			f2fs_available_free_memory(sbi, BASE_CHECK))))
 		goto redirty_out;
 
 	/* Dentry blocks are controlled by checkpoint */
 	if (S_ISDIR(inode->i_mode)) {
 		fio.need_lock = LOCK_DONE;
-		err = do_write_data_page(&fio);
+		err = f2fs_do_write_data_page(&fio);
 		goto done;
 	}
 
@@ -1854,10 +1855,10 @@ write:
 	}
 
 	if (err == -EAGAIN) {
-		err = do_write_data_page(&fio);
+		err = f2fs_do_write_data_page(&fio);
 		if (err == -EAGAIN) {
 			fio.need_lock = LOCK_REQ;
-			err = do_write_data_page(&fio);
+			err = f2fs_do_write_data_page(&fio);
 		}
 	}
 
@@ -1882,7 +1883,7 @@ out:
 	if (wbc->for_reclaim) {
 		f2fs_submit_merged_write_cond(sbi, inode, 0, page->index, DATA);
 		clear_inode_flag(inode, FI_HOT_DATA);
-		remove_dirty_inode(inode);
+		f2fs_remove_dirty_inode(inode);
 		submitted = NULL;
 	}
 
@@ -2095,7 +2096,7 @@ static int __f2fs_write_data_pages(struct address_space *mapping,
 
 	if (S_ISDIR(inode->i_mode) && wbc->sync_mode == WB_SYNC_NONE &&
 			get_dirty_pages(inode) < nr_pages_to_skip(sbi, DATA) &&
-			available_free_memory(sbi, DIRTY_DENTS))
+			f2fs_available_free_memory(sbi, DIRTY_DENTS))
 		goto skip_write;
 
 	/* skip writing during file defragment */
@@ -2121,7 +2122,7 @@ static int __f2fs_write_data_pages(struct address_space *mapping,
 	 * to detect pending bios.
 	 */
 
-	remove_dirty_inode(inode);
+	f2fs_remove_dirty_inode(inode);
 	return ret;
 
 skip_write:
@@ -2148,7 +2149,7 @@ static void f2fs_write_failed(struct address_space *mapping, loff_t to)
 	if (to > i_size) {
 		down_write(&F2FS_I(inode)->i_mmap_sem);
 		truncate_pagecache(inode, i_size);
-		truncate_blocks(inode, i_size, true);
+		f2fs_truncate_blocks(inode, i_size, true);
 		up_write(&F2FS_I(inode)->i_mmap_sem);
 	}
 }
@@ -2180,7 +2181,7 @@ static int prepare_write_begin(struct f2fs_sb_info *sbi,
 	}
 restart:
 	/* check inline_data */
-	ipage = get_node_page(sbi, inode->i_ino);
+	ipage = f2fs_get_node_page(sbi, inode->i_ino);
 	if (IS_ERR(ipage)) {
 		err = PTR_ERR(ipage);
 		goto unlock_out;
@@ -2190,7 +2191,7 @@ restart:
 
 	if (f2fs_has_inline_data(inode)) {
 		if (pos + len <= MAX_INLINE_DATA(inode)) {
-			read_inline_data(page, ipage);
+			f2fs_do_read_inline_data(page, ipage);
 			set_inode_flag(inode, FI_DATA_EXIST);
 			if (inode->i_nlink)
 				set_inline_node(ipage);
@@ -2208,7 +2209,7 @@ restart:
 			dn.data_blkaddr = ei.blk + index - ei.fofs;
 		} else {
 			/* hole case */
-			err = get_dnode_of_data(&dn, index, LOOKUP_NODE);
+			err = f2fs_get_dnode_of_data(&dn, index, LOOKUP_NODE);
 			if (err || dn.data_blkaddr == NULL_ADDR) {
 				f2fs_put_dnode(&dn);
 				__do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO,
@@ -2245,7 +2246,7 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping,
 	trace_f2fs_write_begin(inode, pos, len, flags);
 
 	if (f2fs_is_atomic_file(inode) &&
-			!available_free_memory(sbi, INMEM_PAGES)) {
+			!f2fs_available_free_memory(sbi, INMEM_PAGES)) {
 		err = -ENOMEM;
 		drop_atomic = true;
 		goto fail;
@@ -2329,7 +2330,7 @@ fail:
 	f2fs_put_page(page, 1);
 	f2fs_write_failed(mapping, pos + len);
 	if (drop_atomic)
-		drop_inmem_pages_all(sbi, false);
+		f2fs_drop_inmem_pages_all(sbi, false);
 	return err;
 }
 
@@ -2451,13 +2452,13 @@ void f2fs_invalidate_page(struct page *page, unsigned int offset,
 			dec_page_count(sbi, F2FS_DIRTY_NODES);
 		} else {
 			inode_dec_dirty_pages(inode);
-			remove_dirty_inode(inode);
+			f2fs_remove_dirty_inode(inode);
 		}
 	}
 
 	/* This is atomic written page, keep Private */
 	if (IS_ATOMIC_WRITTEN_PAGE(page))
-		return drop_inmem_page(inode, page);
+		return f2fs_drop_inmem_page(inode, page);
 
 	set_page_private(page, 0);
 	ClearPagePrivate(page);
@@ -2490,7 +2491,7 @@ static int f2fs_set_data_page_dirty(struct page *page)
 
 	if (f2fs_is_atomic_file(inode) && !f2fs_is_commit_atomic_write(inode)) {
 		if (!IS_ATOMIC_WRITTEN_PAGE(page)) {
-			register_inmem_page(inode, page);
+			f2fs_register_inmem_page(inode, page);
 			return 1;
 		}
 		/*
@@ -2502,7 +2503,7 @@ static int f2fs_set_data_page_dirty(struct page *page)
 
 	if (!PageDirty(page)) {
 		__set_page_dirty_nobuffers(page);
-		update_dirty_page(inode, page);
+		f2fs_update_dirty_page(inode, page);
 		return 1;
 	}
 	return 0;
@@ -2598,7 +2599,7 @@ const struct address_space_operations f2fs_dblock_aops = {
 #endif
 };
 
-void clear_radix_tree_dirty_tag(struct page *page)
+void f2fs_clear_radix_tree_dirty_tag(struct page *page)
 {
 	struct address_space *mapping = page_mapping(page);
 	unsigned long flags;