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From: Ryan Cumming <ryan@completely.kicks-ass.org>
To: Andreas Dilger <adilger@clusterfs.com>,
	"Theodore Ts'o" <tytso@mit.edu>,
	linux-kernel@vger.kernel.org
Subject: Re: [BK PATCH] Add ext3 indexed directory (htree) support
Date: Fri, 27 Sep 2002 18:20:27 -0700	[thread overview]
Message-ID: <200209271820.41906.ryan@completely.kicks-ass.org> (raw)
In-Reply-To: <20020927041234.GS22795@clusterfs.com>

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On September 26, 2002 21:12, Andreas Dilger wrote:
> After that, we'd be happy if you could test with a loopback filesystem:

Okay, got another one:
"EXT3-fs error (device loop(7,0)): ext3_add_entry: bad entry in directory #2: 
rec_len is smaller than minimal - offset=0, inode=0, rec_len=8, name_len=0"
fsck then reported:
"Directory inode 2, block 166, offset 0: directory corrupted"

This is while deleteing an old fsstress directory (a full fsck had been 
performed since the last time the fsstress directory had been touched) while 
running a few instances of the attached program.

You guys have any idea what's going on yet? 

- -Ryan

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[-- Attachment #2: dir-ream.c --]
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#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/time.h>
#include <time.h>

#define MAX_FILE_COUNT	4000000

int main(int argc, char *argv[])
{
	while(1) 
	{
		unsigned int seed;
		struct timeval tv;
		int i;
		int count;

		gettimeofday(&tv, NULL);
		seed = tv.tv_usec;
		count = seed % MAX_FILE_COUNT;

		srand(seed);
		printf("Creating %i files\n" , count);
		for(i = 0; i < count;i++)
		{
			char filename[32];
			snprintf(filename, 32, "%x", rand());
			close(open(filename, O_CREAT | O_RDONLY));
		}

		printf("Performing %i random lookups\n" , count);
		for(i = 0; i < count;i++)
		{
			char filename[32];
			struct stat useless;

			snprintf(filename, 32, "%x", rand());
			stat(filename, &useless);
		}

		srand(seed);
		printf("Unlinking %i files\n" , count);
		for(i = 0; i < count;i++)
		{
			char filename[32];
			snprintf(filename, 32, "%x", rand());
			unlink(filename);
		}
	}
}

  parent reply	other threads:[~2002-09-28  1:15 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-25 20:03 tytso
2002-09-25 20:34 ` Andreas Dilger
2002-09-25 20:41 ` Dave Jones
2002-09-25 21:08   ` Andreas Dilger
2002-09-25 21:34   ` Theodore Ts'o
2002-09-25 22:54 ` Jeff Garzik
2002-09-25 23:29   ` Theodore Ts'o
2002-09-25 23:45     ` Ryan Cumming
2002-09-26  3:27       ` Theodore Ts'o
2002-09-26  5:23         ` Ryan Cumming
2002-09-26  5:57           ` Theodore Ts'o
2002-09-26  6:22             ` Ryan Cumming
2002-09-26 14:05               ` Theodore Ts'o
2002-09-26  6:25             ` Ryan Cumming
2002-09-26 11:25               ` Daniel Egger
2002-09-26  7:41             ` Ryan Cumming
2002-09-26 13:23               ` Theodore Ts'o
2002-09-26 15:42               ` Theodore Ts'o
2002-09-26 19:08                 ` Ryan Cumming
2002-09-26 19:51                   ` Horst von Brand
2002-09-26 19:59                     ` Ryan Cumming
2002-09-26 22:04                   ` Theodore Ts'o
2002-09-26 22:53                     ` Ryan Cumming
2002-09-26 23:57                       ` Theodore Ts'o
2002-09-27  1:00                         ` Ryan Cumming
2002-09-27  3:24                           ` Theodore Ts'o
2002-09-27  4:12                         ` Andreas Dilger
2002-09-27  7:55                           ` Ryan Cumming
2002-09-28  1:20                           ` Ryan Cumming [this message]
2002-09-28  1:46                             ` Ryan Cumming
2002-09-28 14:13                             ` Theodore Ts'o
2002-09-28 14:18                               ` Theodore Ts'o
2002-09-28 22:35                                 ` Ryan Cumming
2002-09-28 17:27                               ` [Ext2-devel] " Andreas Dilger
2002-09-28 18:43                                 ` chrisl
2002-09-28 19:45                                 ` chrisl
2002-09-28 22:30                               ` Ryan Cumming
2002-09-29  7:03                               ` [PATCH] fix htree dir corrupt after fsck -fD chrisl
2002-09-29  8:16                                 ` Ryan Cumming
2002-09-29  8:36                                   ` Ryan Cumming
2002-09-30  2:46                                   ` Ryan Cumming
2002-09-29 14:13                                 ` Theodore Ts'o
2002-09-25 23:31 ` [BK PATCH] Add ext3 indexed directory (htree) support Daniel Egger
2002-09-26  0:32   ` Randy.Dunlap
2002-09-26  0:50 ` Aaron Lehmann
2002-09-26  3:28   ` Theodore Ts'o
2002-10-02  9:11 tytso

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