Release 4.7 fs/bfs/inode.c

Directory: fs/bfs
/*
 *      fs/bfs/inode.c
 *      BFS superblock and inode operations.
 *      Copyright (C) 1999-2006 Tigran Aivazian <tigran@aivazian.fsnet.co.uk>
 *      From fs/minix, Copyright (C) 1991, 1992 Linus Torvalds.
 *
 *      Made endianness-clean by Andrew Stribblehill <ads@wompom.org>, 2005.
 */

#include <linux/module.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/buffer_head.h>
#include <linux/vfs.h>
#include <linux/writeback.h>
#include <linux/uio.h>
#include <asm/uaccess.h>
#include "bfs.h"

MODULE_AUTHOR("Tigran Aivazian <tigran@aivazian.fsnet.co.uk>");
MODULE_DESCRIPTION("SCO UnixWare BFS filesystem for Linux");
MODULE_LICENSE("GPL");


#undef DEBUG

#ifdef DEBUG

#define dprintf(x...)	printf(x)
#else

#define dprintf(x...)
#endif



struct inode *bfs_iget(struct super_block *sb, unsigned long ino)
{
	struct bfs_inode *di;
	struct inode *inode;
	struct buffer_head *bh;
	int block, off;

	inode = iget_locked(sb, ino);
	if (!inode)
		return ERR_PTR(-ENOMEM);
	if (!(inode->i_state & I_NEW))
		return inode;

	if ((ino < BFS_ROOT_INO) || (ino > BFS_SB(inode->i_sb)->si_lasti)) {
		printf("Bad inode number %s:%08lx\n", inode->i_sb->s_id, ino);
		goto error;
	}

	block = (ino - BFS_ROOT_INO) / BFS_INODES_PER_BLOCK + 1;
	bh = sb_bread(inode->i_sb, block);
	if (!bh) {
		printf("Unable to read inode %s:%08lx\n", inode->i_sb->s_id,
									ino);
		goto error;
	}

	off = (ino - BFS_ROOT_INO) % BFS_INODES_PER_BLOCK;
	di = (struct bfs_inode *)bh->b_data + off;

	inode->i_mode = 0x0000FFFF & le32_to_cpu(di->i_mode);
	if (le32_to_cpu(di->i_vtype) == BFS_VDIR) {
		inode->i_mode |= S_IFDIR;
		inode->i_op = &bfs_dir_inops;
		inode->i_fop = &bfs_dir_operations;
	} else if (le32_to_cpu(di->i_vtype) == BFS_VREG) {
		inode->i_mode |= S_IFREG;
		inode->i_op = &bfs_file_inops;
		inode->i_fop = &bfs_file_operations;
		inode->i_mapping->a_ops = &bfs_aops;
	}

	BFS_I(inode)->i_sblock =  le32_to_cpu(di->i_sblock);
	BFS_I(inode)->i_eblock =  le32_to_cpu(di->i_eblock);
	BFS_I(inode)->i_dsk_ino = le16_to_cpu(di->i_ino);
	i_uid_write(inode, le32_to_cpu(di->i_uid));
	i_gid_write(inode,  le32_to_cpu(di->i_gid));
	set_nlink(inode, le32_to_cpu(di->i_nlink));
	inode->i_size = BFS_FILESIZE(di);
	inode->i_blocks = BFS_FILEBLOCKS(di);
	inode->i_atime.tv_sec =  le32_to_cpu(di->i_atime);
	inode->i_mtime.tv_sec =  le32_to_cpu(di->i_mtime);
	inode->i_ctime.tv_sec =  le32_to_cpu(di->i_ctime);
	inode->i_atime.tv_nsec = 0;
	inode->i_mtime.tv_nsec = 0;
	inode->i_ctime.tv_nsec = 0;

	brelse(bh);
	unlock_new_inode(inode);
	return inode;

error:
	iget_failed(inode);
	return ERR_PTR(-EIO);
}

Contributors
Person Tokens Prop Commits CommitProp
pre-git pre-git 244 53.74% 4 26.67%
david howells david howells 76 16.74% 1 6.67%
andrew stribblehill andrew stribblehill 55 12.11% 1 6.67%
andi kleen andi kleen 30 6.61% 1 6.67%
dmitri vorobiev dmitri vorobiev 18 3.96% 1 6.67%
linus torvalds linus torvalds 14 3.08% 3 20.00%
eric w. biederman eric w. biederman 8 1.76% 1 6.67%
miklos szeredi miklos szeredi 4 0.88% 1 6.67%
dave jones dave jones 4 0.88% 1 6.67%
dan carpenter dan carpenter 1 0.22% 1 6.67%
Total 454 100.00% 15 100.00%



static struct bfs_inode *find_inode(struct super_block *sb, u16 ino, struct buffer_head **p)
{
	if ((ino < BFS_ROOT_INO) || (ino > BFS_SB(sb)->si_lasti)) {
		printf("Bad inode number %s:%08x\n", sb->s_id, ino);
		return ERR_PTR(-EIO);
	}

	ino -= BFS_ROOT_INO;

	*p = sb_bread(sb, 1 + ino / BFS_INODES_PER_BLOCK);
	if (!*p) {
		printf("Unable to read inode %s:%08x\n", sb->s_id, ino);
		return ERR_PTR(-EIO);
	}

	return (struct bfs_inode *)(*p)->b_data +  ino % BFS_INODES_PER_BLOCK;
}

Contributors
Person Tokens Prop Commits CommitProp
al viro al viro 122 100.00% 1 100.00%
Total 122 100.00% 1 100.00%



static int bfs_write_inode(struct inode *inode, struct writeback_control *wbc)
{
	struct bfs_sb_info *info = BFS_SB(inode->i_sb);
	unsigned int ino = (u16)inode->i_ino;
        unsigned long i_sblock;
	struct bfs_inode *di;
	struct buffer_head *bh;
	int err = 0;

        dprintf("ino=%08x\n", ino);

	di = find_inode(inode->i_sb, ino, &bh);
	if (IS_ERR(di))
		return PTR_ERR(di);

	mutex_lock(&info->bfs_lock);

	if (ino == BFS_ROOT_INO)
		di->i_vtype = cpu_to_le32(BFS_VDIR);
	else
		di->i_vtype = cpu_to_le32(BFS_VREG);

	di->i_ino = cpu_to_le16(ino);
	di->i_mode = cpu_to_le32(inode->i_mode);
	di->i_uid = cpu_to_le32(i_uid_read(inode));
	di->i_gid = cpu_to_le32(i_gid_read(inode));
	di->i_nlink = cpu_to_le32(inode->i_nlink);
	di->i_atime = cpu_to_le32(inode->i_atime.tv_sec);
	di->i_mtime = cpu_to_le32(inode->i_mtime.tv_sec);
	di->i_ctime = cpu_to_le32(inode->i_ctime.tv_sec);
        i_sblock = BFS_I(inode)->i_sblock;
	di->i_sblock = cpu_to_le32(i_sblock);
	di->i_eblock = cpu_to_le32(BFS_I(inode)->i_eblock);
	di->i_eoffset = cpu_to_le32(i_sblock * BFS_BSIZE + inode->i_size - 1);

	mark_buffer_dirty(bh);
	if (wbc->sync_mode == WB_SYNC_ALL) {
		sync_dirty_buffer(bh);
		if (buffer_req(bh) && !buffer_uptodate(bh))
			err = -EIO;
	}
	brelse(bh);
	mutex_unlock(&info->bfs_lock);
	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
pre-git pre-git 153 47.52% 3 21.43%
andrew stribblehill andrew stribblehill 62 19.25% 1 7.14%
al viro al viro 56 17.39% 2 14.29%
dmitri vorobiev dmitri vorobiev 16 4.97% 1 7.14%
linus torvalds linus torvalds 11 3.42% 3 21.43%
christoph hellwig christoph hellwig 9 2.80% 1 7.14%
eric w. biederman eric w. biederman 6 1.86% 1 7.14%
andi kleen andi kleen 6 1.86% 1 7.14%
andrey v. savochkin andrey v. savochkin 3 0.93% 1 7.14%
Total 322 100.00% 14 100.00%



static void bfs_evict_inode(struct inode *inode)
{
	unsigned long ino = inode->i_ino;
	struct bfs_inode *di;
	struct buffer_head *bh;
	struct super_block *s = inode->i_sb;
	struct bfs_sb_info *info = BFS_SB(s);
	struct bfs_inode_info *bi = BFS_I(inode);

	dprintf("ino=%08lx\n", ino);

	truncate_inode_pages_final(&inode->i_data);
	invalidate_inode_buffers(inode);
	clear_inode(inode);

	if (inode->i_nlink)
		return;

	di = find_inode(s, inode->i_ino, &bh);
	if (IS_ERR(di))
		return;

	mutex_lock(&info->bfs_lock);
	/* clear on-disk inode */
	memset(di, 0, sizeof(struct bfs_inode));
	mark_buffer_dirty(bh);
	brelse(bh);

        if (bi->i_dsk_ino) {
		if (bi->i_sblock)
			info->si_freeb += bi->i_eblock + 1 - bi->i_sblock;
		info->si_freei++;
		clear_bit(ino, info->si_imap);
		bfs_dump_imap("delete_inode", s);
        }

	/*
         * If this was the last file, make the previous block
         * "last block of the last file" even if there is no
         * real file there, saves us 1 gap.
         */
	if (info->si_lf_eblk == bi->i_eblock)
		info->si_lf_eblk = bi->i_sblock - 1;
	mutex_unlock(&info->bfs_lock);
}

Contributors
Person Tokens Prop Commits CommitProp
pre-git pre-git 96 43.24% 3 20.00%
dmitri vorobiev dmitri vorobiev 40 18.02% 2 13.33%
al viro al viro 37 16.67% 2 13.33%
dave jones dave jones 20 9.01% 1 6.67%
andrew stribblehill andrew stribblehill 15 6.76% 1 6.67%
mark fasheh mark fasheh 7 3.15% 1 6.67%
linus torvalds linus torvalds 4 1.80% 2 13.33%
johannes weiner johannes weiner 1 0.45% 1 6.67%
fabian frederick fabian frederick 1 0.45% 1 6.67%
jan kara jan kara 1 0.45% 1 6.67%
Total 222 100.00% 15 100.00%



static void bfs_put_super(struct super_block *s)
{
	struct bfs_sb_info *info = BFS_SB(s);

	if (!info)
		return;

	mutex_destroy(&info->bfs_lock);
	kfree(info->si_imap);
	kfree(info);
	s->s_fs_info = NULL;
}

Contributors
Person Tokens Prop Commits CommitProp
dave jones dave jones 20 37.74% 1 20.00%
pre-git pre-git 18 33.96% 1 20.00%
dmitri vorobiev dmitri vorobiev 8 15.09% 1 20.00%
eric sesterhenn eric sesterhenn 6 11.32% 1 20.00%
brian gerst brian gerst 1 1.89% 1 20.00%
Total 53 100.00% 5 100.00%



static int bfs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
	struct super_block *s = dentry->d_sb;
	struct bfs_sb_info *info = BFS_SB(s);
	u64 id = huge_encode_dev(s->s_bdev->bd_dev);
	buf->f_type = BFS_MAGIC;
	buf->f_bsize = s->s_blocksize;
	buf->f_blocks = info->si_blocks;
	buf->f_bfree = buf->f_bavail = info->si_freeb;
	buf->f_files = info->si_lasti + 1 - BFS_ROOT_INO;
	buf->f_ffree = info->si_freei;
	buf->f_fsid.val[0] = (u32)id;
	buf->f_fsid.val[1] = (u32)(id >> 32);
	buf->f_namelen = BFS_NAMELEN;
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
pre-git pre-git 79 55.63% 2 28.57%
al viro al viro 33 23.24% 2 28.57%
dave jones dave jones 18 12.68% 1 14.29%
david howells david howells 11 7.75% 1 14.29%
andrew morton andrew morton 1 0.70% 1 14.29%
Total 142 100.00% 7 100.00%


static struct kmem_cache *bfs_inode_cachep;



static struct inode *bfs_alloc_inode(struct super_block *sb)
{
	struct bfs_inode_info *bi;
	bi = kmem_cache_alloc(bfs_inode_cachep, GFP_KERNEL);
	if (!bi)
		return NULL;
	return &bi->vfs_inode;
}

Contributors
Person Tokens Prop Commits CommitProp
linus torvalds linus torvalds 40 97.56% 1 50.00%
christoph lameter christoph lameter 1 2.44% 1 50.00%
Total 41 100.00% 2 100.00%



static void bfs_i_callback(struct rcu_head *head)
{
	struct inode *inode = container_of(head, struct inode, i_rcu);
	kmem_cache_free(bfs_inode_cachep, BFS_I(inode));
}

Contributors
Person Tokens Prop Commits CommitProp
nick piggin nick piggin 19 52.78% 1 50.00%
linus torvalds linus torvalds 17 47.22% 1 50.00%
Total 36 100.00% 2 100.00%



static void bfs_destroy_inode(struct inode *inode)
{
	call_rcu(&inode->i_rcu, bfs_i_callback);
}

Contributors
Person Tokens Prop Commits CommitProp
nick piggin nick piggin 20 95.24% 1 50.00%
linus torvalds linus torvalds 1 4.76% 1 50.00%
Total 21 100.00% 2 100.00%



static void init_once(void *foo)
{
	struct bfs_inode_info *bi = foo;

	inode_init_once(&bi->vfs_inode);
}

Contributors
Person Tokens Prop Commits CommitProp
linus torvalds linus torvalds 22 88.00% 1 50.00%
christoph lameter christoph lameter 3 12.00% 1 50.00%
Total 25 100.00% 2 100.00%



static int __init init_inodecache(void)
{
	bfs_inode_cachep = kmem_cache_create("bfs_inode_cache",
					     sizeof(struct bfs_inode_info),
					     0, (SLAB_RECLAIM_ACCOUNT|
						SLAB_MEM_SPREAD|SLAB_ACCOUNT),
					     init_once);
	if (bfs_inode_cachep == NULL)
		return -ENOMEM;
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
linus torvalds linus torvalds 39 82.98% 1 16.67%
paul jackson paul jackson 4 8.51% 2 33.33%
vladimir davydov vladimir davydov 2 4.26% 1 16.67%
andrew morton andrew morton 1 2.13% 1 16.67%
fabian frederick fabian frederick 1 2.13% 1 16.67%
Total 47 100.00% 6 100.00%



static void destroy_inodecache(void)
{
	/*
         * Make sure all delayed rcu free inodes are flushed before we
         * destroy cache.
         */
	rcu_barrier();
	kmem_cache_destroy(bfs_inode_cachep);
}

Contributors
Person Tokens Prop Commits CommitProp
linus torvalds linus torvalds 13 76.47% 1 50.00%
kirill a. shutemov kirill a. shutemov 4 23.53% 1 50.00%
Total 17 100.00% 2 100.00%


static const struct super_operations bfs_sops = {
	.alloc_inode	= bfs_alloc_inode,
	.destroy_inode	= bfs_destroy_inode,
	.write_inode	= bfs_write_inode,
	.evict_inode	= bfs_evict_inode,
	.put_super	= bfs_put_super,
	.statfs		= bfs_statfs,
};



void bfs_dump_imap(const char *prefix, struct super_block *s)
{
#ifdef DEBUG
	int i;
	char *tmpbuf = (char *)get_zeroed_page(GFP_KERNEL);

	if (!tmpbuf)
		return;
	for (i = BFS_SB(s)->si_lasti; i >= 0; i--) {
		if (i > PAGE_SIZE - 100) break;
		if (test_bit(i, BFS_SB(s)->si_imap))
			strcat(tmpbuf, "1");
		else
			strcat(tmpbuf, "0");
	}
	printf("BFS-fs: %s: lasti=%08lx <%s>\n",
				prefix, BFS_SB(s)->si_lasti, tmpbuf);
	free_page((unsigned long)tmpbuf);
#endif
}

Contributors
Person Tokens Prop Commits CommitProp
andrew stribblehill andrew stribblehill 106 84.80% 1 25.00%
pre-git pre-git 17 13.60% 1 25.00%
dmitri vorobiev dmitri vorobiev 1 0.80% 1 25.00%
fabian frederick fabian frederick 1 0.80% 1 25.00%
Total 125 100.00% 4 100.00%



static int bfs_fill_super(struct super_block *s, void *data, int silent)
{
	struct buffer_head *bh, *sbh;
	struct bfs_super_block *bfs_sb;
	struct inode *inode;
	unsigned i, imap_len;
	struct bfs_sb_info *info;
	int ret = -EINVAL;
	unsigned long i_sblock, i_eblock, i_eoff, s_size;

	info = kzalloc(sizeof(*info), GFP_KERNEL);
	if (!info)
		return -ENOMEM;
	mutex_init(&info->bfs_lock);
	s->s_fs_info = info;

	sb_set_blocksize(s, BFS_BSIZE);

	sbh = sb_bread(s, 0);
	if (!sbh)
		goto out;
	bfs_sb = (struct bfs_super_block *)sbh->b_data;
	if (le32_to_cpu(bfs_sb->s_magic) != BFS_MAGIC) {
		if (!silent)
			printf("No BFS filesystem on %s (magic=%08x)\n", 
				s->s_id,  le32_to_cpu(bfs_sb->s_magic));
		goto out1;
	}
	if (BFS_UNCLEAN(bfs_sb, s) && !silent)
		printf("%s is unclean, continuing\n", s->s_id);

	s->s_magic = BFS_MAGIC;

	if (le32_to_cpu(bfs_sb->s_start) > le32_to_cpu(bfs_sb->s_end)) {
		printf("Superblock is corrupted\n");
		goto out1;
	}

	info->si_lasti = (le32_to_cpu(bfs_sb->s_start) - BFS_BSIZE) /
					sizeof(struct bfs_inode)
					+ BFS_ROOT_INO - 1;
	imap_len = (info->si_lasti / 8) + 1;
	info->si_imap = kzalloc(imap_len, GFP_KERNEL);
	if (!info->si_imap)
		goto out1;
	for (i = 0; i < BFS_ROOT_INO; i++)
		set_bit(i, info->si_imap);

	s->s_op = &bfs_sops;
	inode = bfs_iget(s, BFS_ROOT_INO);
	if (IS_ERR(inode)) {
		ret = PTR_ERR(inode);
		goto out2;
	}
	s->s_root = d_make_root(inode);
	if (!s->s_root) {
		ret = -ENOMEM;
		goto out2;
	}

	info->si_blocks = (le32_to_cpu(bfs_sb->s_end) + 1) >> BFS_BSIZE_BITS;
	info->si_freeb = (le32_to_cpu(bfs_sb->s_end) + 1
			- le32_to_cpu(bfs_sb->s_start)) >> BFS_BSIZE_BITS;
	info->si_freei = 0;
	info->si_lf_eblk = 0;

	/* can we read the last block? */
	bh = sb_bread(s, info->si_blocks - 1);
	if (!bh) {
		printf("Last block not available: %lu\n", info->si_blocks - 1);
		ret = -EIO;
		goto out3;
	}
	brelse(bh);

	bh = NULL;
	for (i = BFS_ROOT_INO; i <= info->si_lasti; i++) {
		struct bfs_inode *di;
		int block = (i - BFS_ROOT_INO) / BFS_INODES_PER_BLOCK + 1;
		int off = (i - BFS_ROOT_INO) % BFS_INODES_PER_BLOCK;
		unsigned long eblock;

		if (!off) {
			brelse(bh);
			bh = sb_bread(s, block);
		}

		if (!bh)
			continue;

		di = (struct bfs_inode *)bh->b_data + off;

		/* test if filesystem is not corrupted */

		i_eoff = le32_to_cpu(di->i_eoffset);
		i_sblock = le32_to_cpu(di->i_sblock);
		i_eblock = le32_to_cpu(di->i_eblock);
		s_size = le32_to_cpu(bfs_sb->s_end);

		if (i_sblock > info->si_blocks ||
			i_eblock > info->si_blocks ||
			i_sblock > i_eblock ||
			i_eoff > s_size ||
			i_sblock * BFS_BSIZE > i_eoff) {

			printf("Inode 0x%08x corrupted\n", i);

			brelse(bh);
			ret = -EIO;
			goto out3;
		}

		if (!di->i_ino) {
			info->si_freei++;
			continue;
		}
		set_bit(i, info->si_imap);
		info->si_freeb -= BFS_FILEBLOCKS(di);

		eblock =  le32_to_cpu(di->i_eblock);
		if (eblock > info->si_lf_eblk)
			info->si_lf_eblk = eblock;
	}
	brelse(bh);
	brelse(sbh);
	bfs_dump_imap("read_super", s);
	return 0;

out3:
	dput(s->s_root);
	s->s_root = NULL;
out2:
	kfree(info->si_imap);
out1:
	brelse(sbh);
out:
	mutex_destroy(&info->bfs_lock);
	kfree(info);
	s->s_fs_info = NULL;
	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
pre-git pre-git 319 41.21% 3 12.50%
eric sesterhenn eric sesterhenn 161 20.80% 2 8.33%
al viro al viro 150 19.38% 4 16.67%
dave jones dave jones 71 9.17% 1 4.17%
david howells david howells 22 2.84% 1 4.17%
andrew stribblehill andrew stribblehill 18 2.33% 1 4.17%
linus torvalds linus torvalds 11 1.42% 5 20.83%
artem bityutskiy artem bityutskiy 9 1.16% 1 4.17%
dmitri vorobiev dmitri vorobiev 7 0.90% 2 8.33%
brian gerst brian gerst 2 0.26% 1 4.17%
panagiotis issaris* panagiotis issaris* 2 0.26% 1 4.17%
alexey dobriyan alexey dobriyan 1 0.13% 1 4.17%
fabian frederick fabian frederick 1 0.13% 1 4.17%
Total 774 100.00% 24 100.00%



static struct dentry *bfs_mount(struct file_system_type *fs_type,
	int flags, const char *dev_name, void *data)
{
	return mount_bdev(fs_type, flags, dev_name, data, bfs_fill_super);
}

Contributors
Person Tokens Prop Commits CommitProp
al viro al viro 33 84.62% 2 40.00%
pre-git pre-git 5 12.82% 2 40.00%
andries brouwer andries brouwer 1 2.56% 1 20.00%
Total 39 100.00% 5 100.00%


static struct file_system_type bfs_fs_type = {
	.owner		= THIS_MODULE,
	.name		= "bfs",
	.mount		= bfs_mount,
	.kill_sb	= kill_block_super,
	.fs_flags	= FS_REQUIRES_DEV,
};
MODULE_ALIAS_FS("bfs");



static int __init init_bfs_fs(void)
{
	int err = init_inodecache();
	if (err)
		goto out1;
        err = register_filesystem(&bfs_fs_type);
	if (err)
		goto out;
	return 0;
out:
	destroy_inodecache();
out1:
	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
linus torvalds linus torvalds 35 70.00% 1 33.33%
pre-git pre-git 15 30.00% 2 66.67%
Total 50 100.00% 3 100.00%



static void __exit exit_bfs_fs(void)
{
	unregister_filesystem(&bfs_fs_type);
	destroy_inodecache();
}

Contributors
Person Tokens Prop Commits CommitProp
pre-git pre-git 15 83.33% 2 66.67%
linus torvalds linus torvalds 3 16.67% 1 33.33%
Total 18 100.00% 3 100.00%

module_init(init_bfs_fs)
module_exit(exit_bfs_fs)
Overall Contributors
Person Tokens Prop Commits CommitProp
pre-git pre-git 1039 38.90% 11 15.71%
al viro al viro 455 17.03% 11 15.71%
andrew stribblehill andrew stribblehill 256 9.58% 1 1.43%
linus torvalds linus torvalds 225 8.42% 6 8.57%
eric sesterhenn eric sesterhenn 167 6.25% 2 2.86%
dave jones dave jones 133 4.98% 1 1.43%
david howells david howells 109 4.08% 2 2.86%
dmitri vorobiev dmitri vorobiev 90 3.37% 2 2.86%
nick piggin nick piggin 39 1.46% 1 1.43%
andi kleen andi kleen 36 1.35% 1 1.43%
christoph hellwig christoph hellwig 23 0.86% 5 7.14%
art haas art haas 22 0.82% 1 1.43%
eric w. biederman eric w. biederman 19 0.71% 2 2.86%
artem bityutskiy artem bityutskiy 9 0.34% 1 1.43%
mark fasheh mark fasheh 7 0.26% 1 1.43%
christoph lameter christoph lameter 6 0.22% 3 4.29%
miklos szeredi miklos szeredi 4 0.15% 1 1.43%
fabian frederick fabian frederick 4 0.15% 2 2.86%
kirill a. shutemov kirill a. shutemov 4 0.15% 1 1.43%
paul jackson paul jackson 4 0.15% 2 2.86%
andrey v. savochkin andrey v. savochkin 3 0.11% 1 1.43%
brian gerst brian gerst 3 0.11% 1 1.43%
panagiotis issaris* panagiotis issaris* 2 0.07% 1 1.43%
tigran aivazian tigran aivazian 2 0.07% 1 1.43%
vladimir davydov vladimir davydov 2 0.07% 1 1.43%
andrew morton andrew morton 2 0.07% 2 2.86%
johannes weiner johannes weiner 1 0.04% 1 1.43%
josef 'jeff' sipek josef 'jeff' sipek 1 0.04% 1 1.43%
dan carpenter dan carpenter 1 0.04% 1 1.43%
andries brouwer andries brouwer 1 0.04% 1 1.43%
alexey dobriyan alexey dobriyan 1 0.04% 1 1.43%
jan kara jan kara 1 0.04% 1 1.43%
Total 2671 100.00% 70 100.00%
  Directory: fs/bfs

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
pre-git	pre-git	244	53.74%	4	26.67%
david howells	david howells	76	16.74%	1	6.67%
andrew stribblehill	andrew stribblehill	55	12.11%	1	6.67%
andi kleen	andi kleen	30	6.61%	1	6.67%
dmitri vorobiev	dmitri vorobiev	18	3.96%	1	6.67%
linus torvalds	linus torvalds	14	3.08%	3	20.00%
eric w. biederman	eric w. biederman	8	1.76%	1	6.67%
miklos szeredi	miklos szeredi	4	0.88%	1	6.67%
dave jones	dave jones	4	0.88%	1	6.67%
dan carpenter	dan carpenter	1	0.22%	1	6.67%
	Total	454	100.00%	15	100.00%
cregit-Linux how code gets into the kernel

Release 4.7 fs/bfs/inode.c

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