[linux.git] / fs / hpfs / dir.c

/*
 *  linux/fs/hpfs/dir.c
 *
 *  Mikulas Patocka ([email protected]), 1998-1999
 *
 *  directory VFS functions
 */

#include <linux/slab.h>
#include "hpfs_fn.h"

static int hpfs_dir_release(struct inode *inode, struct file *filp)
{
	hpfs_lock(inode->i_sb);
	hpfs_del_pos(inode, &filp->f_pos);
	/*hpfs_write_if_changed(inode);*/
	hpfs_unlock(inode->i_sb);
	return 0;
}

/* This is slow, but it's not used often */

static loff_t hpfs_dir_lseek(struct file *filp, loff_t off, int whence)
{
	loff_t new_off = off + (whence == 1 ? filp->f_pos : 0);
	loff_t pos;
	struct quad_buffer_head qbh;
	struct inode *i = file_inode(filp);
	struct hpfs_inode_info *hpfs_inode = hpfs_i(i);
	struct super_block *s = i->i_sb;

	/* Somebody else will have to figure out what to do here */
	if (whence == SEEK_DATA || whence == SEEK_HOLE)
		return -EINVAL;

	inode_lock(i);
	hpfs_lock(s);

	/*pr_info("dir lseek\n");*/
	if (new_off == 0 || new_off == 1 || new_off == 11 || new_off == 12 || new_off == 13) goto ok;
	pos = ((loff_t) hpfs_de_as_down_as_possible(s, hpfs_inode->i_dno) << 4) + 1;
	while (pos != new_off) {
		if (map_pos_dirent(i, &pos, &qbh)) hpfs_brelse4(&qbh);
		else goto fail;
		if (pos == 12) goto fail;
	}
	hpfs_add_pos(i, &filp->f_pos);
ok:
	filp->f_pos = new_off;
	hpfs_unlock(s);
	inode_unlock(i);
	return new_off;
fail:
	/*pr_warn("illegal lseek: %016llx\n", new_off);*/
	hpfs_unlock(s);
	inode_unlock(i);
	return -ESPIPE;
}

static int hpfs_readdir(struct file *file, struct dir_context *ctx)
{
	struct inode *inode = file_inode(file);
	struct hpfs_inode_info *hpfs_inode = hpfs_i(inode);
	struct quad_buffer_head qbh;
	struct hpfs_dirent *de;
	int lc;
	loff_t next_pos;
	unsigned char *tempname;
	int c1, c2 = 0;
	int ret = 0;

	hpfs_lock(inode->i_sb);

	if (hpfs_sb(inode->i_sb)->sb_chk) {
		if (hpfs_chk_sectors(inode->i_sb, inode->i_ino, 1, "dir_fnode")) {
			ret = -EFSERROR;
			goto out;
		}
		if (hpfs_chk_sectors(inode->i_sb, hpfs_inode->i_dno, 4, "dir_dnode")) {
			ret = -EFSERROR;
			goto out;
		}
	}
	if (hpfs_sb(inode->i_sb)->sb_chk >= 2) {
		struct buffer_head *bh;
		struct fnode *fno;
		int e = 0;
		if (!(fno = hpfs_map_fnode(inode->i_sb, inode->i_ino, &bh))) {
			ret = -EIOERROR;
			goto out;
		}
		if (!fnode_is_dir(fno)) {
			e = 1;
			hpfs_error(inode->i_sb, "not a directory, fnode %08lx",
					(unsigned long)inode->i_ino);
		}
		if (hpfs_inode->i_dno != le32_to_cpu(fno->u.external[0].disk_secno)) {
			e = 1;
			hpfs_error(inode->i_sb, "corrupted inode: i_dno == %08x, fnode -> dnode == %08x", hpfs_inode->i_dno, le32_to_cpu(fno->u.external[0].disk_secno));
		}
		brelse(bh);
		if (e) {
			ret = -EFSERROR;
			goto out;
		}
	}
	lc = hpfs_sb(inode->i_sb)->sb_lowercase;
	if (ctx->pos == 12) { /* diff -r requires this (note, that diff -r */
		ctx->pos = 13; /* also fails on msdos filesystem in 2.0) */
		goto out;
	}
	if (ctx->pos == 13) {
		ret = -ENOENT;
		goto out;
	}
	
	while (1) {
		again:
		/* This won't work when cycle is longer than number of dirents
		   accepted by filldir, but what can I do?
		   maybe killall -9 ls helps */
		if (hpfs_sb(inode->i_sb)->sb_chk)
			if (hpfs_stop_cycles(inode->i_sb, ctx->pos, &c1, &c2, "hpfs_readdir")) {
				ret = -EFSERROR;
				goto out;
			}
		if (ctx->pos == 12)
			goto out;
		if (ctx->pos == 3 || ctx->pos == 4 || ctx->pos == 5) {
			pr_err("pos==%d\n", (int)ctx->pos);
			goto out;
		}
		if (ctx->pos == 0) {
			if (!dir_emit_dot(file, ctx))
				goto out;
			ctx->pos = 11;
		}
		if (ctx->pos == 11) {
			if (!dir_emit(ctx, "..", 2, hpfs_inode->i_parent_dir, DT_DIR))
				goto out;
			ctx->pos = 1;
		}
		if (ctx->pos == 1) {
			ctx->pos = ((loff_t) hpfs_de_as_down_as_possible(inode->i_sb, hpfs_inode->i_dno) << 4) + 1;
			hpfs_add_pos(inode, &file->f_pos);
			file->f_version = inode->i_version;
		}
		next_pos = ctx->pos;
		if (!(de = map_pos_dirent(inode, &next_pos, &qbh))) {
			ctx->pos = next_pos;
			ret = -EIOERROR;
			goto out;
		}
		if (de->first || de->last) {
			if (hpfs_sb(inode->i_sb)->sb_chk) {
				if (de->first && !de->last && (de->namelen != 2
				    || de ->name[0] != 1 || de->name[1] != 1))
					hpfs_error(inode->i_sb, "hpfs_readdir: bad ^A^A entry; pos = %08lx", (unsigned long)ctx->pos);
				if (de->last && (de->namelen != 1 || de ->name[0] != 255))
					hpfs_error(inode->i_sb, "hpfs_readdir: bad \\377 entry; pos = %08lx", (unsigned long)ctx->pos);
			}
			hpfs_brelse4(&qbh);
			ctx->pos = next_pos;
			goto again;
		}
		tempname = hpfs_translate_name(inode->i_sb, de->name, de->namelen, lc, de->not_8x3);
		if (!dir_emit(ctx, tempname, de->namelen, le32_to_cpu(de->fnode), DT_UNKNOWN)) {
			if (tempname != de->name) kfree(tempname);
			hpfs_brelse4(&qbh);
			goto out;
		}
		ctx->pos = next_pos;
		if (tempname != de->name) kfree(tempname);
		hpfs_brelse4(&qbh);
	}
out:
	hpfs_unlock(inode->i_sb);
	return ret;
}

/*
 * lookup.  Search the specified directory for the specified name, set
 * *result to the corresponding inode.
 *
 * lookup uses the inode number to tell read_inode whether it is reading
 * the inode of a directory or a file -- file ino's are odd, directory
 * ino's are even.  read_inode avoids i/o for file inodes; everything
 * needed is up here in the directory.  (And file fnodes are out in
 * the boondocks.)
 *
 *    - M.P.: this is over, sometimes we've got to read file's fnode for eas
 *	      inode numbers are just fnode sector numbers; iget lock is used
 *	      to tell read_inode to read fnode or not.
 */

struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
{
	const unsigned char *name = dentry->d_name.name;
	unsigned len = dentry->d_name.len;
	struct quad_buffer_head qbh;
	struct hpfs_dirent *de;
	ino_t ino;
	int err;
	struct inode *result = NULL;
	struct hpfs_inode_info *hpfs_result;

	hpfs_lock(dir->i_sb);
	if ((err = hpfs_chk_name(name, &len))) {
		if (err == -ENAMETOOLONG) {
			hpfs_unlock(dir->i_sb);
			return ERR_PTR(-ENAMETOOLONG);
		}
		goto end_add;
	}

	/*
	 * '.' and '..' will never be passed here.
	 */

	de = map_dirent(dir, hpfs_i(dir)->i_dno, name, len, NULL, &qbh);

	/*
	 * This is not really a bailout, just means file not found.
	 */

	if (!de) goto end;

	/*
	 * Get inode number, what we're after.
	 */

	ino = le32_to_cpu(de->fnode);

	/*
	 * Go find or make an inode.
	 */

	result = iget_locked(dir->i_sb, ino);
	if (!result) {
		hpfs_error(dir->i_sb, "hpfs_lookup: can't get inode");
		goto bail1;
	}
	if (result->i_state & I_NEW) {
		hpfs_init_inode(result);
		if (de->directory)
			hpfs_read_inode(result);
		else if (le32_to_cpu(de->ea_size) && hpfs_sb(dir->i_sb)->sb_eas)
			hpfs_read_inode(result);
		else {
			result->i_mode |= S_IFREG;
			result->i_mode &= ~0111;
			result->i_op = &hpfs_file_iops;
			result->i_fop = &hpfs_file_ops;
			set_nlink(result, 1);
		}
		unlock_new_inode(result);
	}
	hpfs_result = hpfs_i(result);
	if (!de->directory) hpfs_result->i_parent_dir = dir->i_ino;

	if (de->has_acl || de->has_xtd_perm) if (!(dir->i_sb->s_flags & MS_RDONLY)) {
		hpfs_error(result->i_sb, "ACLs or XPERM found. This is probably HPFS386. This driver doesn't support it now. Send me some info on these structures");
		goto bail1;
	}

	/*
	 * Fill in the info from the directory if this is a newly created
	 * inode.
	 */

	if (!result->i_ctime.tv_sec) {
		if (!(result->i_ctime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(de->creation_date))))
			result->i_ctime.tv_sec = 1;
		result->i_ctime.tv_nsec = 0;
		result->i_mtime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(de->write_date));
		result->i_mtime.tv_nsec = 0;
		result->i_atime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(de->read_date));
		result->i_atime.tv_nsec = 0;
		hpfs_result->i_ea_size = le32_to_cpu(de->ea_size);
		if (!hpfs_result->i_ea_mode && de->read_only)
			result->i_mode &= ~0222;
		if (!de->directory) {
			if (result->i_size == -1) {
				result->i_size = le32_to_cpu(de->file_size);
				result->i_data.a_ops = &hpfs_aops;
				hpfs_i(result)->mmu_private = result->i_size;
			/*
			 * i_blocks should count the fnode and any anodes.
			 * We count 1 for the fnode and don't bother about
			 * anodes -- the disk heads are on the directory band
			 * and we want them to stay there.
			 */
				result->i_blocks = 1 + ((result->i_size + 511) >> 9);
			}
		}
	}

	hpfs_brelse4(&qbh);

	/*
	 * Made it.
	 */

	end:
	end_add:
	hpfs_unlock(dir->i_sb);
	d_add(dentry, result);
	return NULL;

	/*
	 * Didn't.
	 */
	bail1:
	
	hpfs_brelse4(&qbh);
	
	/*bail:*/

	hpfs_unlock(dir->i_sb);
	return ERR_PTR(-ENOENT);
}

const struct file_operations hpfs_dir_ops =
{
	.llseek		= hpfs_dir_lseek,
	.read		= generic_read_dir,
	.iterate	= hpfs_readdir,
	.release	= hpfs_dir_release,
	.fsync		= hpfs_file_fsync,
	.unlocked_ioctl	= hpfs_ioctl,
};
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/fs/hpfs/dir.c
	3	*
	4	* Mikulas Patocka ([email protected]), 1998-1999
	5	*
	6	* directory VFS functions
	7	*/
	8
5a0e3ad6	9	#include <linux/slab.h>
1da177e4 LT	10	#include "hpfs_fn.h"
	11
	12	static int hpfs_dir_release(struct inode inode, struct file filp)
	13	{
9a311b96	14	hpfs_lock(inode->i_sb);
1da177e4 LT	15	hpfs_del_pos(inode, &filp->f_pos);
1da177e4 LT	16	/hpfs_write_if_changed(inode);/
9a311b96	17	hpfs_unlock(inode->i_sb);
1da177e4 LT	18	return 0;
	19	}
	20
	21	/* This is slow, but it's not used often */
	22
	23	static loff_t hpfs_dir_lseek(struct file *filp, loff_t off, int whence)
	24	{
	25	loff_t new_off = off + (whence == 1 ? filp->f_pos : 0);
	26	loff_t pos;
	27	struct quad_buffer_head qbh;
496ad9aa	28	struct inode *i = file_inode(filp);
1da177e4 LT	29	struct hpfs_inode_info *hpfs_inode = hpfs_i(i);
	30	struct super_block *s = i->i_sb;
	31
06222e49 JB	32	/* Somebody else will have to figure out what to do here */
	33	if (whence == SEEK_DATA \|\| whence == SEEK_HOLE)
	34	return -EINVAL;
	35
5955102c	36	inode_lock(i);
9a311b96	37	hpfs_lock(s);
1da177e4	38
b7cb1ce2	39	/pr_info("dir lseek\n");/
1da177e4	40	if (new_off == 0 \|\| new_off == 1 \|\| new_off == 11 \|\| new_off == 12 \|\| new_off == 13) goto ok;
1da177e4 LT	41	pos = ((loff_t) hpfs_de_as_down_as_possible(s, hpfs_inode->i_dno) << 4) + 1;
	42	while (pos != new_off) {
	43	if (map_pos_dirent(i, &pos, &qbh)) hpfs_brelse4(&qbh);
	44	else goto fail;
	45	if (pos == 12) goto fail;
	46	}
31abdab9	47	hpfs_add_pos(i, &filp->f_pos);
1da177e4	48	ok:
31abdab9	49	filp->f_pos = new_off;
9a311b96	50	hpfs_unlock(s);
5955102c	51	inode_unlock(i);
31abdab9 AV	52	return new_off;
31abdab9 AV	53	fail:
b7cb1ce2	54	/pr_warn("illegal lseek: %016llx\n", new_off);/
9a311b96	55	hpfs_unlock(s);
5955102c	56	inode_unlock(i);
1da177e4 LT	57	return -ESPIPE;
	58	}
	59
568f8f5e	60	static int hpfs_readdir(struct file file, struct dir_context ctx)
1da177e4	61	{
568f8f5e	62	struct inode *inode = file_inode(file);
1da177e4 LT	63	struct hpfs_inode_info *hpfs_inode = hpfs_i(inode);
	64	struct quad_buffer_head qbh;
	65	struct hpfs_dirent *de;
	66	int lc;
568f8f5e	67	loff_t next_pos;
7e7742ee	68	unsigned char *tempname;
1da177e4 LT	69	int c1, c2 = 0;
	70	int ret = 0;
	71
9a311b96	72	hpfs_lock(inode->i_sb);
1da177e4 LT	73
	74	if (hpfs_sb(inode->i_sb)->sb_chk) {
	75	if (hpfs_chk_sectors(inode->i_sb, inode->i_ino, 1, "dir_fnode")) {
	76	ret = -EFSERROR;
	77	goto out;
	78	}
	79	if (hpfs_chk_sectors(inode->i_sb, hpfs_inode->i_dno, 4, "dir_dnode")) {
	80	ret = -EFSERROR;
	81	goto out;
	82	}
	83	}
	84	if (hpfs_sb(inode->i_sb)->sb_chk >= 2) {
	85	struct buffer_head *bh;
	86	struct fnode *fno;
	87	int e = 0;
	88	if (!(fno = hpfs_map_fnode(inode->i_sb, inode->i_ino, &bh))) {
	89	ret = -EIOERROR;
	90	goto out;
	91	}
c4c99543	92	if (!fnode_is_dir(fno)) {
1da177e4	93	e = 1;
18debbbc RD	94	hpfs_error(inode->i_sb, "not a directory, fnode %08lx",
18debbbc RD	95	(unsigned long)inode->i_ino);
1da177e4	96	}
0b69760b	97	if (hpfs_inode->i_dno != le32_to_cpu(fno->u.external[0].disk_secno)) {
1da177e4	98	e = 1;
0b69760b	99	hpfs_error(inode->i_sb, "corrupted inode: i_dno == %08x, fnode -> dnode == %08x", hpfs_inode->i_dno, le32_to_cpu(fno->u.external[0].disk_secno));
1da177e4 LT	100	}
	101	brelse(bh);
	102	if (e) {
	103	ret = -EFSERROR;
	104	goto out;
	105	}
	106	}
	107	lc = hpfs_sb(inode->i_sb)->sb_lowercase;
568f8f5e AV	108	if (ctx->pos == 12) { /* diff -r requires this (note, that diff -r */
568f8f5e AV	109	ctx->pos = 13; /* also fails on msdos filesystem in 2.0) */
1da177e4 LT	110	goto out;
1da177e4 LT	111	}
568f8f5e	112	if (ctx->pos == 13) {
1da177e4 LT	113	ret = -ENOENT;
	114	goto out;
	115	}
	116
	117	while (1) {
	118	again:
	119	/* This won't work when cycle is longer than number of dirents
	120	accepted by filldir, but what can I do?
	121	maybe killall -9 ls helps */
	122	if (hpfs_sb(inode->i_sb)->sb_chk)
568f8f5e	123	if (hpfs_stop_cycles(inode->i_sb, ctx->pos, &c1, &c2, "hpfs_readdir")) {
1da177e4 LT	124	ret = -EFSERROR;
	125	goto out;
	126	}
568f8f5e	127	if (ctx->pos == 12)
1da177e4	128	goto out;
568f8f5e	129	if (ctx->pos == 3 \|\| ctx->pos == 4 \|\| ctx->pos == 5) {
a19189e5	130	pr_err("pos==%d\n", (int)ctx->pos);
1da177e4 LT	131	goto out;
1da177e4 LT	132	}
568f8f5e AV	133	if (ctx->pos == 0) {
568f8f5e AV	134	if (!dir_emit_dot(file, ctx))
1da177e4	135	goto out;
568f8f5e	136	ctx->pos = 11;
1da177e4	137	}
568f8f5e AV	138	if (ctx->pos == 11) {
568f8f5e AV	139	if (!dir_emit(ctx, "..", 2, hpfs_inode->i_parent_dir, DT_DIR))
1da177e4	140	goto out;
568f8f5e	141	ctx->pos = 1;
1da177e4	142	}
568f8f5e AV	143	if (ctx->pos == 1) {
	144	ctx->pos = ((loff_t) hpfs_de_as_down_as_possible(inode->i_sb, hpfs_inode->i_dno) << 4) + 1;
	145	hpfs_add_pos(inode, &file->f_pos);
	146	file->f_version = inode->i_version;
1da177e4	147	}
568f8f5e AV	148	next_pos = ctx->pos;
	149	if (!(de = map_pos_dirent(inode, &next_pos, &qbh))) {
	150	ctx->pos = next_pos;
1da177e4 LT	151	ret = -EIOERROR;
	152	goto out;
	153	}
	154	if (de->first \|\| de->last) {
	155	if (hpfs_sb(inode->i_sb)->sb_chk) {
18debbbc RD	156	if (de->first && !de->last && (de->namelen != 2
18debbbc RD	157	\|\| de ->name[0] != 1 \|\| de->name[1] != 1))
568f8f5e	158	hpfs_error(inode->i_sb, "hpfs_readdir: bad ^A^A entry; pos = %08lx", (unsigned long)ctx->pos);
18debbbc	159	if (de->last && (de->namelen != 1 \|\| de ->name[0] != 255))
568f8f5e	160	hpfs_error(inode->i_sb, "hpfs_readdir: bad \\377 entry; pos = %08lx", (unsigned long)ctx->pos);
1da177e4 LT	161	}
1da177e4 LT	162	hpfs_brelse4(&qbh);
568f8f5e	163	ctx->pos = next_pos;
1da177e4 LT	164	goto again;
	165	}
	166	tempname = hpfs_translate_name(inode->i_sb, de->name, de->namelen, lc, de->not_8x3);
568f8f5e	167	if (!dir_emit(ctx, tempname, de->namelen, le32_to_cpu(de->fnode), DT_UNKNOWN)) {
7e7742ee	168	if (tempname != de->name) kfree(tempname);
1da177e4 LT	169	hpfs_brelse4(&qbh);
	170	goto out;
	171	}
568f8f5e	172	ctx->pos = next_pos;
7e7742ee	173	if (tempname != de->name) kfree(tempname);
1da177e4 LT	174	hpfs_brelse4(&qbh);
	175	}
	176	out:
9a311b96	177	hpfs_unlock(inode->i_sb);
1da177e4 LT	178	return ret;
	179	}
	180
	181	/*
	182	* lookup. Search the specified directory for the specified name, set
	183	* *result to the corresponding inode.
	184	*
	185	* lookup uses the inode number to tell read_inode whether it is reading
	186	* the inode of a directory or a file -- file ino's are odd, directory
	187	* ino's are even. read_inode avoids i/o for file inodes; everything
	188	* needed is up here in the directory. (And file fnodes are out in
	189	* the boondocks.)
	190	*
	191	* - M.P.: this is over, sometimes we've got to read file's fnode for eas
	192	* inode numbers are just fnode sector numbers; iget lock is used
	193	* to tell read_inode to read fnode or not.
	194	*/
	195
00cd8dd3	196	struct dentry hpfs_lookup(struct inode dir, struct dentry *dentry, unsigned int flags)
1da177e4	197	{
7e7742ee	198	const unsigned char *name = dentry->d_name.name;
1da177e4 LT	199	unsigned len = dentry->d_name.len;
	200	struct quad_buffer_head qbh;
	201	struct hpfs_dirent *de;
	202	ino_t ino;
	203	int err;
	204	struct inode *result = NULL;
	205	struct hpfs_inode_info *hpfs_result;
	206
9a311b96	207	hpfs_lock(dir->i_sb);
7e7742ee	208	if ((err = hpfs_chk_name(name, &len))) {
1da177e4	209	if (err == -ENAMETOOLONG) {
9a311b96	210	hpfs_unlock(dir->i_sb);
1da177e4 LT	211	return ERR_PTR(-ENAMETOOLONG);
	212	}
	213	goto end_add;
	214	}
	215
	216	/*
	217	* '.' and '..' will never be passed here.
	218	*/
	219
7e7742ee	220	de = map_dirent(dir, hpfs_i(dir)->i_dno, name, len, NULL, &qbh);
1da177e4 LT	221
	222	/*
	223	* This is not really a bailout, just means file not found.
	224	*/
	225
	226	if (!de) goto end;
	227
	228	/*
	229	* Get inode number, what we're after.
	230	*/
	231
0b69760b	232	ino = le32_to_cpu(de->fnode);
1da177e4 LT	233
	234	/*
	235	* Go find or make an inode.
	236	*/
	237
	238	result = iget_locked(dir->i_sb, ino);
	239	if (!result) {
	240	hpfs_error(dir->i_sb, "hpfs_lookup: can't get inode");
	241	goto bail1;
	242	}
	243	if (result->i_state & I_NEW) {
	244	hpfs_init_inode(result);
	245	if (de->directory)
	246	hpfs_read_inode(result);
0b69760b	247	else if (le32_to_cpu(de->ea_size) && hpfs_sb(dir->i_sb)->sb_eas)
1da177e4 LT	248	hpfs_read_inode(result);
	249	else {
	250	result->i_mode \|= S_IFREG;
	251	result->i_mode &= ~0111;
	252	result->i_op = &hpfs_file_iops;
	253	result->i_fop = &hpfs_file_ops;
bfe86848	254	set_nlink(result, 1);
1da177e4 LT	255	}
	256	unlock_new_inode(result);
	257	}
	258	hpfs_result = hpfs_i(result);
	259	if (!de->directory) hpfs_result->i_parent_dir = dir->i_ino;
	260
1da177e4 LT	261	if (de->has_acl \|\| de->has_xtd_perm) if (!(dir->i_sb->s_flags & MS_RDONLY)) {
	262	hpfs_error(result->i_sb, "ACLs or XPERM found. This is probably HPFS386. This driver doesn't support it now. Send me some info on these structures");
	263	goto bail1;
	264	}
	265
	266	/*
	267	* Fill in the info from the directory if this is a newly created
	268	* inode.
	269	*/
	270
	271	if (!result->i_ctime.tv_sec) {
0b69760b	272	if (!(result->i_ctime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(de->creation_date))))
1da177e4 LT	273	result->i_ctime.tv_sec = 1;
1da177e4 LT	274	result->i_ctime.tv_nsec = 0;
0b69760b	275	result->i_mtime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(de->write_date));
1da177e4	276	result->i_mtime.tv_nsec = 0;
0b69760b	277	result->i_atime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(de->read_date));
1da177e4	278	result->i_atime.tv_nsec = 0;
0b69760b	279	hpfs_result->i_ea_size = le32_to_cpu(de->ea_size);
1da177e4 LT	280	if (!hpfs_result->i_ea_mode && de->read_only)
	281	result->i_mode &= ~0222;
	282	if (!de->directory) {
	283	if (result->i_size == -1) {
0b69760b	284	result->i_size = le32_to_cpu(de->file_size);
1da177e4 LT	285	result->i_data.a_ops = &hpfs_aops;
	286	hpfs_i(result)->mmu_private = result->i_size;
	287	/*
	288	* i_blocks should count the fnode and any anodes.
	289	* We count 1 for the fnode and don't bother about
	290	* anodes -- the disk heads are on the directory band
	291	* and we want them to stay there.
	292	*/
	293	result->i_blocks = 1 + ((result->i_size + 511) >> 9);
	294	}
	295	}
	296	}
	297
	298	hpfs_brelse4(&qbh);
	299
	300	/*
	301	* Made it.
	302	*/
	303
	304	end:
	305	end_add:
9a311b96	306	hpfs_unlock(dir->i_sb);
1da177e4 LT	307	d_add(dentry, result);
	308	return NULL;
	309
	310	/*
	311	* Didn't.
	312	*/
	313	bail1:
	314
	315	hpfs_brelse4(&qbh);
	316
	317	/bail:/
	318
9a311b96	319	hpfs_unlock(dir->i_sb);
1da177e4 LT	320	return ERR_PTR(-ENOENT);
	321	}
	322
4b6f5d20	323	const struct file_operations hpfs_dir_ops =
1da177e4 LT	324	{
	325	.llseek = hpfs_dir_lseek,
	326	.read = generic_read_dir,
568f8f5e	327	.iterate = hpfs_readdir,
1da177e4 LT	328	.release = hpfs_dir_release,
1da177e4 LT	329	.fsync = hpfs_file_fsync,
a27b5b97	330	.unlocked_ioctl = hpfs_ioctl,
1da177e4	331	};