Release 4.11 fs/f2fs/inline.c

/*
 * fs/f2fs/inline.c
 * Copyright (c) 2013, Intel Corporation
 * Authors: Huajun Li <huajun.li@intel.com>
 *          Haicheng Li <haicheng.li@intel.com>
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/fs.h>
#include <linux/f2fs_fs.h>

#include "f2fs.h"
#include "node.h"



bool f2fs_may_inline_data(struct inode *inode)
{
	if (f2fs_is_atomic_file(inode))
		return false;

	if (!S_ISREG(inode->i_mode) && !S_ISLNK(inode->i_mode))
		return false;

	if (i_size_read(inode) > MAX_INLINE_DATA)
		return false;

	if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode))
		return false;

	return true;
}

Contributors
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Jaegeuk Kim
42
57.53%
5
71.43%
Huajun Li
23
31.51%
1
14.29%
Wanpeng Li
8
10.96%
1
14.29%
Total
73
100.00%
7
100.00%



bool f2fs_may_inline_dentry(struct inode *inode)
{
	if (!test_opt(F2FS_I_SB(inode), INLINE_DENTRY))
		return false;

	if (!S_ISDIR(inode->i_mode))
		return false;

	return true;
}

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Jaegeuk Kim
42
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42
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1
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void read_inline_data(struct page *page, struct page *ipage)
{
	void *src_addr, *dst_addr;

	if (PageUptodate(page))
		return;

	f2fs_bug_on(F2FS_P_SB(page), page->index);

	zero_user_segment(page, MAX_INLINE_DATA, PAGE_SIZE);

	/* Copy the whole inline data block */
	src_addr = inline_data_addr(ipage);
	dst_addr = kmap_atomic(page);
	memcpy(dst_addr, src_addr, MAX_INLINE_DATA);
	flush_dcache_page(page);
	kunmap_atomic(dst_addr);
	if (!PageUptodate(page))
		SetPageUptodate(page);
}

Contributors
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CommitProp
Jaegeuk Kim
68
69.39%
2
40.00%
Huajun Li
16
16.33%
1
20.00%
Chao Yu
13
13.27%
1
20.00%
Kirill A. Shutemov
1
1.02%
1
20.00%
Total
98
100.00%
5
100.00%



bool truncate_inline_inode(struct page *ipage, u64 from)
{
	void *addr;

	if (from >= MAX_INLINE_DATA)
		return false;

	addr = inline_data_addr(ipage);

	f2fs_wait_on_page_writeback(ipage, NODE, true);
	memset(addr + from, 0, MAX_INLINE_DATA - from);
	set_page_dirty(ipage);
	return true;
}

Contributors
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Chao Yu
56
88.89%
2
50.00%
Jaegeuk Kim
7
11.11%
2
50.00%
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63
100.00%
4
100.00%



int f2fs_read_inline_data(struct inode *inode, struct page *page)
{
	struct page *ipage;

	ipage = get_node_page(F2FS_I_SB(inode), inode->i_ino);
	if (IS_ERR(ipage)) {
		unlock_page(page);
		return PTR_ERR(ipage);
	}

	if (!f2fs_has_inline_data(inode)) {
		f2fs_put_page(ipage, 1);
		return -EAGAIN;
	}

	if (page->index)
		zero_user_segment(page, 0, PAGE_SIZE);
	else
		read_inline_data(page, ipage);

	if (!PageUptodate(page))
		SetPageUptodate(page);
	f2fs_put_page(ipage, 1);
	unlock_page(page);
	return 0;
}

Contributors
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CommitProp
Jaegeuk Kim
64
50.79%
4
57.14%
Huajun Li
54
42.86%
1
14.29%
Chao Yu
7
5.56%
1
14.29%
Kirill A. Shutemov
1
0.79%
1
14.29%
Total
126
100.00%
7
100.00%



int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
{
	struct f2fs_io_info fio = {
		.sbi = F2FS_I_SB(dn->inode),
		.type = DATA,
		.op = REQ_OP_WRITE,
		.op_flags = REQ_SYNC | REQ_PRIO,
		.page = page,
		.encrypted_page = NULL,
        };
	int dirty, err;

	if (!f2fs_exist_data(dn->inode))
		goto clear_out;

	err = f2fs_reserve_block(dn, 0);
	if (err)
		return err;

	f2fs_bug_on(F2FS_P_SB(page), PageWriteback(page));

	read_inline_data(page, dn->inode_page);
	set_page_dirty(page);

	/* clear dirty state */
	dirty = clear_page_dirty_for_io(page);

	/* write data page to try to make data consistent */
	set_page_writeback(page);
	fio.old_blkaddr = dn->data_blkaddr;
	write_data_page(dn, &fio);
	f2fs_wait_on_page_writeback(page, DATA, true);
	if (dirty) {
		inode_dec_dirty_pages(dn->inode);
		remove_dirty_inode(dn->inode);
	}

	/* this converted inline_data should be recovered. */
	set_inode_flag(dn->inode, FI_APPEND_WRITE);

	/* clear inline data and flag after data writeback */
	truncate_inline_inode(dn->inode_page, 0);
	clear_inline_node(dn->inode_page);
clear_out:
	stat_dec_inline_inode(dn->inode);
	f2fs_clear_inline_inode(dn->inode);
	f2fs_put_dnode(dn);
	return 0;
}

Contributors
Person
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Jaegeuk Kim
120
52.40%
14
63.64%
Huajun Li
80
34.93%
1
4.55%
Chao Yu
13
5.68%
3
13.64%
Yunlei He
8
3.49%
1
4.55%
Michael Christie
6
2.62%
1
4.55%
Christoph Hellwig
1
0.44%
1
4.55%
Shawn Lin
1
0.44%
1
4.55%
Total
229
100.00%
22
100.00%



int f2fs_convert_inline_inode(struct inode *inode)
{
	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
	struct dnode_of_data dn;
	struct page *ipage, *page;
	int err = 0;

	if (!f2fs_has_inline_data(inode))
		return 0;

	page = f2fs_grab_cache_page(inode->i_mapping, 0, false);
	if (!page)
		return -ENOMEM;

	f2fs_lock_op(sbi);

	ipage = get_node_page(sbi, inode->i_ino);
	if (IS_ERR(ipage)) {
		err = PTR_ERR(ipage);
		goto out;
	}

	set_new_dnode(&dn, inode, ipage, ipage, 0);

	if (f2fs_has_inline_data(inode))
		err = f2fs_convert_inline_page(&dn, page);

	f2fs_put_dnode(&dn);
out:
	f2fs_unlock_op(sbi);

	f2fs_put_page(page, 1);

	f2fs_balance_fs(sbi, dn.node_changed);

	return err;
}

Contributors
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Jaegeuk Kim
128
76.19%
8
88.89%
Huajun Li
40
23.81%
1
11.11%
Total
168
100.00%
9
100.00%



int f2fs_write_inline_data(struct inode *inode, struct page *page)
{
	void *src_addr, *dst_addr;
	struct dnode_of_data dn;
	int err;

	set_new_dnode(&dn, inode, NULL, NULL, 0);
	err = get_dnode_of_data(&dn, 0, LOOKUP_NODE);
	if (err)
		return err;

	if (!f2fs_has_inline_data(inode)) {
		f2fs_put_dnode(&dn);
		return -EAGAIN;
	}

	f2fs_bug_on(F2FS_I_SB(inode), page->index);

	f2fs_wait_on_page_writeback(dn.inode_page, NODE, true);
	src_addr = kmap_atomic(page);
	dst_addr = inline_data_addr(dn.inode_page);
	memcpy(dst_addr, src_addr, MAX_INLINE_DATA);
	kunmap_atomic(src_addr);
	set_page_dirty(dn.inode_page);

	set_inode_flag(inode, FI_APPEND_WRITE);
	set_inode_flag(inode, FI_DATA_EXIST);

	clear_inline_node(dn.inode_page);
	f2fs_put_dnode(&dn);
	return 0;
}

Contributors
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Huajun Li
94
54.65%
1
11.11%
Jaegeuk Kim
78
45.35%
8
88.89%
Total
172
100.00%
9
100.00%



bool recover_inline_data(struct inode *inode, struct page *npage)
{
	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
	struct f2fs_inode *ri = NULL;
	void *src_addr, *dst_addr;
	struct page *ipage;

	/*
         * The inline_data recovery policy is as follows.
         * [prev.] [next] of inline_data flag
         *    o       o  -> recover inline_data
         *    o       x  -> remove inline_data, and then recover data blocks
         *    x       o  -> remove inline_data, and then recover inline_data
         *    x       x  -> recover data blocks
         */
	if (IS_INODE(npage))
		ri = F2FS_INODE(npage);

	if (f2fs_has_inline_data(inode) &&
			ri && (ri->i_inline & F2FS_INLINE_DATA)) {
process_inline:
		ipage = get_node_page(sbi, inode->i_ino);
		f2fs_bug_on(sbi, IS_ERR(ipage));

		f2fs_wait_on_page_writeback(ipage, NODE, true);

		src_addr = inline_data_addr(npage);
		dst_addr = inline_data_addr(ipage);
		memcpy(dst_addr, src_addr, MAX_INLINE_DATA);

		set_inode_flag(inode, FI_INLINE_DATA);
		set_inode_flag(inode, FI_DATA_EXIST);

		set_page_dirty(ipage);
		f2fs_put_page(ipage, 1);
		return true;
	}

	if (f2fs_has_inline_data(inode)) {
		ipage = get_node_page(sbi, inode->i_ino);
		f2fs_bug_on(sbi, IS_ERR(ipage));
		if (!truncate_inline_inode(ipage, 0))
			return false;
		f2fs_clear_inline_inode(inode);
		f2fs_put_page(ipage, 1);
	} else if (ri && (ri->i_inline & F2FS_INLINE_DATA)) {
		if (truncate_blocks(inode, 0, false))
			return false;
		goto process_inline;
	}
	return false;
}

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Jaegeuk Kim
236
93.65%
9
81.82%
Nicholas Krause
13
5.16%
1
9.09%
Chao Yu
3
1.19%
1
9.09%
Total
252
100.00%
11
100.00%



struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir,
			struct fscrypt_name *fname, struct page **res_page)
{
	struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
	struct f2fs_inline_dentry *inline_dentry;
	struct qstr name = FSTR_TO_QSTR(&fname->disk_name);
	struct f2fs_dir_entry *de;
	struct f2fs_dentry_ptr d;
	struct page *ipage;
	f2fs_hash_t namehash;

	ipage = get_node_page(sbi, dir->i_ino);
	if (IS_ERR(ipage)) {
		*res_page = ipage;
		return NULL;
	}

	namehash = f2fs_dentry_hash(&name);

	inline_dentry = inline_data_addr(ipage);

	make_dentry_ptr(NULL, &d, (void *)inline_dentry, 2);
	de = find_target_dentry(fname, namehash, NULL, &d);
	unlock_page(ipage);
	if (de)
		*res_page = ipage;
	else
		f2fs_put_page(ipage, 0);

	return de;
}

Contributors
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Chao Yu
91
54.49%
1
14.29%
Jaegeuk Kim
76
45.51%
6
85.71%
Total
167
100.00%
7
100.00%



int make_empty_inline_dir(struct inode *inode, struct inode *parent,
							struct page *ipage)
{
	struct f2fs_inline_dentry *dentry_blk;
	struct f2fs_dentry_ptr d;

	dentry_blk = inline_data_addr(ipage);

	make_dentry_ptr(NULL, &d, (void *)dentry_blk, 2);
	do_make_empty_dir(inode, parent, &d);

	set_page_dirty(ipage);

	/* update i_size to MAX_INLINE_DATA */
	if (i_size_read(inode) < MAX_INLINE_DATA)
		f2fs_i_size_write(inode, MAX_INLINE_DATA);
	return 0;
}

Contributors
Person
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CommitProp
Chao Yu
72
82.76%
1
25.00%
Jaegeuk Kim
15
17.24%
3
75.00%
Total
87
100.00%
4
100.00%

/*
 * NOTE: ipage is grabbed by caller, but if any error occurs, we should
 * release ipage in this function.
 */


static int f2fs_move_inline_dirents(struct inode *dir, struct page *ipage,
				struct f2fs_inline_dentry *inline_dentry)
{
	struct page *page;
	struct dnode_of_data dn;
	struct f2fs_dentry_block *dentry_blk;
	int err;

	page = f2fs_grab_cache_page(dir->i_mapping, 0, false);
	if (!page) {
		f2fs_put_page(ipage, 1);
		return -ENOMEM;
	}

	set_new_dnode(&dn, dir, ipage, NULL, 0);
	err = f2fs_reserve_block(&dn, 0);
	if (err)
		goto out;

	f2fs_wait_on_page_writeback(page, DATA, true);
	zero_user_segment(page, MAX_INLINE_DATA, PAGE_SIZE);

	dentry_blk = kmap_atomic(page);

	/* copy data from inline dentry block to new dentry block */
	memcpy(dentry_blk->dentry_bitmap, inline_dentry->dentry_bitmap,
					INLINE_DENTRY_BITMAP_SIZE);
	memset(dentry_blk->dentry_bitmap + INLINE_DENTRY_BITMAP_SIZE, 0,
			SIZE_OF_DENTRY_BITMAP - INLINE_DENTRY_BITMAP_SIZE);
	/*
         * we do not need to zero out remainder part of dentry and filename
         * field, since we have used bitmap for marking the usage status of
         * them, besides, we can also ignore copying/zeroing reserved space
         * of dentry block, because them haven't been used so far.
         */
	memcpy(dentry_blk->dentry, inline_dentry->dentry,
			sizeof(struct f2fs_dir_entry) * NR_INLINE_DENTRY);
	memcpy(dentry_blk->filename, inline_dentry->filename,
					NR_INLINE_DENTRY * F2FS_SLOT_LEN);

	kunmap_atomic(dentry_blk);
	if (!PageUptodate(page))
		SetPageUptodate(page);
	set_page_dirty(page);

	/* clear inline dir and flag after data writeback */
	truncate_inline_inode(ipage, 0);

	stat_dec_inline_dir(dir);
	clear_inode_flag(dir, FI_INLINE_DENTRY);

	f2fs_i_depth_write(dir, 1);
	if (i_size_read(dir) < PAGE_SIZE)
		f2fs_i_size_write(dir, PAGE_SIZE);
out:
	f2fs_put_page(page, 1);
	return err;
}

Contributors
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Chao Yu
238
89.14%
7
43.75%
Jaegeuk Kim
26
9.74%
8
50.00%
Kirill A. Shutemov
3
1.12%
1
6.25%
Total
267
100.00%
16
100.00%



static int f2fs_add_inline_entries(struct inode *dir,
			struct f2fs_inline_dentry *inline_dentry)
{
	struct f2fs_dentry_ptr d;
	unsigned long bit_pos = 0;
	int err = 0;

	make_dentry_ptr(NULL, &d, (void *)inline_dentry, 2);

	while (bit_pos < d.max) {
		struct f2fs_dir_entry *de;
		struct qstr new_name;
		nid_t ino;
		umode_t fake_mode;

		if (!test_bit_le(bit_pos, d.bitmap)) {
			bit_pos++;
			continue;
		}

		de = &d.dentry[bit_pos];

		if (unlikely(!de->name_len)) {
			bit_pos++;
			continue;
		}

		new_name.name = d.filename[bit_pos];
		new_name.len = le16_to_cpu(de->name_len);

		ino = le32_to_cpu(de->ino);
		fake_mode = get_de_type(de) << S_SHIFT;

		err = f2fs_add_regular_entry(dir, &new_name, NULL, NULL,
							ino, fake_mode);
		if (err)
			goto punch_dentry_pages;

		bit_pos += GET_DENTRY_SLOTS(le16_to_cpu(de->name_len));
	}
	return 0;
punch_dentry_pages:
	truncate_inode_pages(&dir->i_data, 0);
	truncate_blocks(dir, 0, false);
	remove_dirty_inode(dir);
	return err;
}

Contributors
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Chao Yu
222
98.67%
3
75.00%
Eric Biggers
3
1.33%
1
25.00%
Total
225
100.00%
4
100.00%



static int f2fs_move_rehashed_dirents(struct inode *dir, struct page *ipage,
				struct f2fs_inline_dentry *inline_dentry)
{
	struct f2fs_inline_dentry *backup_dentry;
	int err;

	backup_dentry = f2fs_kmalloc(F2FS_I_SB(dir),
			sizeof(struct f2fs_inline_dentry), GFP_F2FS_ZERO);
	if (!backup_dentry) {
		f2fs_put_page(ipage, 1);
		return -ENOMEM;
	}

	memcpy(backup_dentry, inline_dentry, MAX_INLINE_DATA);
	truncate_inline_inode(ipage, 0);

	unlock_page(ipage);

	err = f2fs_add_inline_entries(dir, backup_dentry);
	if (err)
		goto recover;

	lock_page(ipage);

	stat_dec_inline_dir(dir);
	clear_inode_flag(dir, FI_INLINE_DENTRY);
	kfree(backup_dentry);
	return 0;
recover:
	lock_page(ipage);
	memcpy(inline_dentry, backup_dentry, MAX_INLINE_DATA);
	f2fs_i_depth_write(dir, 0);
	f2fs_i_size_write(dir, MAX_INLINE_DATA);
	set_page_dirty(ipage);
	f2fs_put_page(ipage, 1);

	kfree(backup_dentry);
	return err;
}

Contributors
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Chao Yu
169
95.48%
3
37.50%
Jaegeuk Kim
8
4.52%
5
62.50%
Total
177
100.00%
8
100.00%



static int f2fs_convert_inline_dir(struct inode *dir, struct page *ipage,
				struct f2fs_inline_dentry *inline_dentry)
{
	if (!F2FS_I(dir)->i_dir_level)
		return f2fs_move_inline_dirents(dir, ipage, inline_dentry);
	else
		return f2fs_move_rehashed_dirents(dir, ipage, inline_dentry);
}

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Chao Yu
52
100.00%
1
100.00%
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52
100.00%
1
100.00%



int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name,
				const struct qstr *orig_name,
				struct inode *inode, nid_t ino, umode_t mode)
{
	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
	struct page *ipage;
	unsigned int bit_pos;
	f2fs_hash_t name_hash;
	struct f2fs_inline_dentry *dentry_blk = NULL;
	struct f2fs_dentry_ptr d;
	int slots = GET_DENTRY_SLOTS(new_name->len);
	struct page *page = NULL;
	int err = 0;

	ipage = get_node_page(sbi, dir->i_ino);
	if (IS_ERR(ipage))
		return PTR_ERR(ipage);

	dentry_blk = inline_data_addr(ipage);
	bit_pos = room_for_filename(&dentry_blk->dentry_bitmap,
						slots, NR_INLINE_DENTRY);
	if (bit_pos >= NR_INLINE_DENTRY) {
		err = f2fs_convert_inline_dir(dir, ipage, dentry_blk);
		if (err)
			return err;
		err = -EAGAIN;
		goto out;
	}

	if (inode) {
		down_write(&F2FS_I(inode)->i_sem);
		page = init_inode_metadata(inode, dir, new_name,
						orig_name, ipage);
		if (IS_ERR(page)) {
			err = PTR_ERR(page);
			goto fail;
		}
		if (f2fs_encrypted_inode(dir))
			file_set_enc_name(inode);
	}

	f2fs_wait_on_page_writeback(ipage, NODE, true);

	name_hash = f2fs_dentry_hash(new_name);
	make_dentry_ptr(NULL, &d, (void *)dentry_blk, 2);
	f2fs_update_dentry(ino, mode, &d, new_name, name_hash, bit_pos);

	set_page_dirty(ipage);

	/* we don't need to mark_inode_dirty now */
	if (inode) {
		f2fs_i_pino_write(inode, dir->i_ino);
		f2fs_put_page(page, 1);
	}

	update_parent_metadata(dir, inode, 0);
fail:
	if (inode)
		up_write(&F2FS_I(inode)->i_sem);
out:
	f2fs_put_page(ipage, 1);
	return err;
}

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Chao Yu
284
82.56%
4
36.36%
Jaegeuk Kim
48
13.95%
6
54.55%
Shuoran Liu
12
3.49%
1
9.09%
Total
344
100.00%
11
100.00%



void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page,
					struct inode *dir, struct inode *inode)
{
	struct f2fs_inline_dentry *inline_dentry;
	int slots = GET_DENTRY_SLOTS(le16_to_cpu(dentry->name_len));
	unsigned int bit_pos;
	int i;

	lock_page(page);
	f2fs_wait_on_page_writeback(page, NODE, true);

	inline_dentry = inline_data_addr(page);
	bit_pos = dentry - inline_dentry->dentry;
	for (i = 0; i < slots; i++)
		__clear_bit_le(bit_pos + i,
				&inline_dentry->dentry_bitmap);

	set_page_dirty(page);
	f2fs_put_page(page, 1);

	dir->i_ctime = dir->i_mtime = current_time(dir);
	f2fs_mark_inode_dirty_sync(dir, false);

	if (inode)
		f2fs_drop_nlink(dir, inode);
}

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Commits
CommitProp
Chao Yu
125
85.03%
1
11.11%
Jaegeuk Kim
18
12.24%
7
77.78%
Deepa Dinamani
4
2.72%
1
11.11%
Total
147
100.00%
9
100.00%



bool f2fs_empty_inline_dir(struct inode *dir)
{
	struct f2fs_sb_info *sbi = F2FS_I_SB(dir);
	struct page *ipage;
	unsigned int bit_pos = 2;
	struct f2fs_inline_dentry *dentry_blk;

	ipage = get_node_page(sbi, dir->i_ino);
	if (IS_ERR(ipage))
		return false;

	dentry_blk = inline_data_addr(ipage);
	bit_pos = find_next_bit_le(&dentry_blk->dentry_bitmap,
					NR_INLINE_DENTRY,
					bit_pos);

	f2fs_put_page(ipage, 1);

	if (bit_pos < NR_INLINE_DENTRY)
		return false;

	return true;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Chao Yu
97
100.00%
1
100.00%
Total
97
100.00%
1
100.00%



int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx,
				struct fscrypt_str *fstr)
{
	struct inode *inode = file_inode(file);
	struct f2fs_inline_dentry *inline_dentry = NULL;
	struct page *ipage = NULL;
	struct f2fs_dentry_ptr d;
	int err;

	if (ctx->pos == NR_INLINE_DENTRY)
		return 0;

	ipage = get_node_page(F2FS_I_SB(inode), inode->i_ino);
	if (IS_ERR(ipage))
		return PTR_ERR(ipage);

	inline_dentry = inline_data_addr(ipage);

	make_dentry_ptr(inode, &d, (void *)inline_dentry, 2);

	err = f2fs_fill_dentries(ctx, &d, 0, fstr);
	if (!err)
		ctx->pos = NR_INLINE_DENTRY;

	f2fs_put_page(ipage, 1);
	return err < 0 ? err : 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Chao Yu
117
76.47%
2
33.33%
Jaegeuk Kim
36
23.53%
4
66.67%
Total
153
100.00%
6
100.00%



int f2fs_inline_data_fiemap(struct inode *inode,
		struct fiemap_extent_info *fieinfo, __u64 start, __u64 len)
{
	__u64 byteaddr, ilen;
	__u32 flags = FIEMAP_EXTENT_DATA_INLINE | FIEMAP_EXTENT_NOT_ALIGNED |
		FIEMAP_EXTENT_LAST;
	struct node_info ni;
	struct page *ipage;
	int err = 0;

	ipage = get_node_page(F2FS_I_SB(inode), inode->i_ino);
	if (IS_ERR(ipage))
		return PTR_ERR(ipage);

	if (!f2fs_has_inline_data(inode)) {
		err = -EAGAIN;
		goto out;
	}

	ilen = min_t(size_t, MAX_INLINE_DATA, i_size_read(inode));
	if (start >= ilen)
		goto out;
	if (start + len < ilen)
		ilen = start + len;
	ilen -= start;

	get_node_info(F2FS_I_SB(inode), inode->i_ino, &ni);
	byteaddr = (__u64)ni.blk_addr << inode->i_sb->s_blocksize_bits;
	byteaddr += (char *)inline_data_addr(ipage) - (char *)F2FS_INODE(ipage);
	err = fiemap_fill_next_extent(fieinfo, start, byteaddr, ilen, flags);
out:
	f2fs_put_page(ipage, 1);
	return err;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Jaegeuk Kim
212
100.00%
1
100.00%
Total
212
100.00%
1
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Chao Yu
1560
49.29%
18
20.22%
Jaegeuk Kim
1227
38.77%
60
67.42%
Huajun Li
317
10.02%
1
1.12%
Nicholas Krause
13
0.41%
1
1.12%
Shuoran Liu
12
0.38%
1
1.12%
Wanpeng Li
8
0.25%
1
1.12%
Yunlei He
8
0.25%
1
1.12%
Michael Christie
6
0.19%
1
1.12%
Kirill A. Shutemov
5
0.16%
1
1.12%
Deepa Dinamani
4
0.13%
1
1.12%
Eric Biggers
3
0.09%
1
1.12%
Shawn Lin
1
0.03%
1
1.12%
Christoph Hellwig
1
0.03%
1
1.12%
Total
3165
100.00%
89
100.00%
Directory: fs/f2fs

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