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Commit bfee7169 authored by Al Viro's avatar Al Viro
Browse files

[readdir] convert isofs 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 0312fa7c

fs/isofs/dir.c

+20 −22
Original line number Original line Diff line number Diff line
@@ -78,8 +78,8 @@ int get_acorn_filename(struct iso_directory_record *de, 
/*

/*

 * This should _really_ be cleaned up some day..

 * This should _really_ be cleaned up some day..

 */

 */

static int do_isofs_readdir(struct inode *inode, struct file *filp,

static int do_isofs_readdir(struct inode *inode, struct file *file,

		void *dirent, filldir_t filldir,

		struct dir_context *ctx,

		char *tmpname, struct iso_directory_record *tmpde)

		char *tmpname, struct iso_directory_record *tmpde)

{

{

	unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);

	unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);
@@ -94,10 +94,10 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp, 
	struct iso_directory_record *de;

	struct iso_directory_record *de;

	struct isofs_sb_info *sbi = ISOFS_SB(inode->i_sb);

	struct isofs_sb_info *sbi = ISOFS_SB(inode->i_sb);





	offset = filp->f_pos & (bufsize - 1);

	offset = ctx->pos & (bufsize - 1);

	block = filp->f_pos >> bufbits;

	block = ctx->pos >> bufbits;





	while (filp->f_pos < inode->i_size) {

	while (ctx->pos < inode->i_size) {

		int de_len;

		int de_len;





		if (!bh) {

		if (!bh) {
@@ -119,8 +119,8 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp, 
		if (de_len == 0) {

		if (de_len == 0) {

			brelse(bh);

			brelse(bh);

			bh = NULL;

			bh = NULL;

			filp->f_pos = (filp->f_pos + ISOFS_BLOCK_SIZE) & ~(ISOFS_BLOCK_SIZE - 1);

			ctx->pos = (ctx->pos + ISOFS_BLOCK_SIZE) & ~(ISOFS_BLOCK_SIZE - 1);

			block = filp->f_pos >> bufbits;

			block = ctx->pos >> bufbits;

			offset = 0;

			offset = 0;

			continue;

			continue;

		}

		}
@@ -164,16 +164,16 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp, 




		if (de->flags[-sbi->s_high_sierra] & 0x80) {

		if (de->flags[-sbi->s_high_sierra] & 0x80) {

			first_de = 0;

			first_de = 0;

			filp->f_pos += de_len;

			ctx->pos += de_len;

			continue;

			continue;

		}

		}

		first_de = 1;

		first_de = 1;





		/* Handle the case of the '.' directory */

		/* Handle the case of the '.' directory */

		if (de->name_len[0] == 1 && de->name[0] == 0) {

		if (de->name_len[0] == 1 && de->name[0] == 0) {

			if (filldir(dirent, ".", 1, filp->f_pos, inode->i_ino, DT_DIR) < 0)

			if (!dir_emit_dot(file, ctx))

				break;

				break;

			filp->f_pos += de_len;

			ctx->pos += de_len;

			continue;

			continue;

		}

		}
@@ -181,10 +181,9 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp, 




		/* Handle the case of the '..' directory */

		/* Handle the case of the '..' directory */

		if (de->name_len[0] == 1 && de->name[0] == 1) {

		if (de->name_len[0] == 1 && de->name[0] == 1) {

			inode_number = parent_ino(filp->f_path.dentry);

			if (!dir_emit_dotdot(file, ctx))

			if (filldir(dirent, "..", 2, filp->f_pos, inode_number, DT_DIR) < 0)

				break;

				break;

			filp->f_pos += de_len;

			ctx->pos += de_len;

			continue;

			continue;

		}

		}
@@ -198,7 +197,7 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp, 
		if ((sbi->s_hide && (de->flags[-sbi->s_high_sierra] & 1)) ||

		if ((sbi->s_hide && (de->flags[-sbi->s_high_sierra] & 1)) ||

		    (!sbi->s_showassoc &&

		    (!sbi->s_showassoc &&

				(de->flags[-sbi->s_high_sierra] & 4))) {

				(de->flags[-sbi->s_high_sierra] & 4))) {

			filp->f_pos += de_len;

			ctx->pos += de_len;

			continue;

			continue;

		}

		}
@@ -230,10 +229,10 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp, 
			}

			}

		}

		}

		if (len > 0) {

		if (len > 0) {

			if (filldir(dirent, p, len, filp->f_pos, inode_number, DT_UNKNOWN) < 0)

			if (!dir_emit(ctx, p, len, inode_number, DT_UNKNOWN))

				break;

				break;

		}

		}

		filp->f_pos += de_len;

		ctx->pos += de_len;





		continue;

		continue;

	}

	}
@@ -247,13 +246,12 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp, 
 * handling split directory entries.. The real work is done by

 * handling split directory entries.. The real work is done by

 * "do_isofs_readdir()".

 * "do_isofs_readdir()".

 */

 */

static int isofs_readdir(struct file *filp,

static int isofs_readdir(struct file *file, struct dir_context *ctx)

		void *dirent, filldir_t filldir)

{

{

	int result;

	int result;

	char *tmpname;

	char *tmpname;

	struct iso_directory_record *tmpde;

	struct iso_directory_record *tmpde;

	struct inode *inode = file_inode(filp);

	struct inode *inode = file_inode(file);





	tmpname = (char *)__get_free_page(GFP_KERNEL);

	tmpname = (char *)__get_free_page(GFP_KERNEL);

	if (tmpname == NULL)

	if (tmpname == NULL)
@@ -261,7 +259,7 @@ static int isofs_readdir(struct file *filp, 




	tmpde = (struct iso_directory_record *) (tmpname+1024);

	tmpde = (struct iso_directory_record *) (tmpname+1024);





	result = do_isofs_readdir(inode, filp, dirent, filldir, tmpname, tmpde);

	result = do_isofs_readdir(inode, file, ctx, tmpname, tmpde);





	free_page((unsigned long) tmpname);

	free_page((unsigned long) tmpname);

	return result;

	return result;
@@ -271,7 +269,7 @@ const struct file_operations isofs_dir_operations = 
{

{

	.llseek = generic_file_llseek,

	.llseek = generic_file_llseek,

	.read = generic_read_dir,

	.read = generic_read_dir,

	.readdir = isofs_readdir,

	.iterate = isofs_readdir,

};

};





/*

/*