linux-kernel - Re: bug? VFAT copy problem

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Date:	Wed, 22 Nov 2006 20:10:08 +0100
From:	The Peach <smartart@...cali.it>
To:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: bug? VFAT copy problem

On Thu, 23 Nov 2006 01:15:46 +0900
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp> wrote:

> Thanks. Probably instead of some overheads, this patch will fix a problem.

here it is, did the very same experiments than before.
Normal file:
# cp -v DSCN5970\(1\).JPG /mnt/loop/
`DSCN5970(1).JPG' -> `/mnt/loop/DSCN5970(1).JPG'

dmesg:
vfat_hashi: parent d1801e94, parent->d_op e0fbc620
vfat_hashi: parent /, name DSCN5970(1).JPG
vfat_cmpi: parent d1801e94, parent->d_op e0fbc620
vfat_cmpi: a DSCN5970(1).JPG, b DSCN5970(1).JPG
vfat_revalidate: name DSCN5970(1).JPG, nd d65eaeec, flags 00000001
vfat_lookup: name DSCN5970(1).JPG
vfat_hashi: parent d1801e94, parent->d_op e0fbc620
vfat_hashi: parent /, name DSCN5970(1).JPG
vfat_cmpi: parent d1801e94, parent->d_op e0fbc620
vfat_cmpi: a DSCN5970(1).JPG, b DSCN5970(1).JPG
vfat_revalidate: name DSCN5970(1).JPG, nd d65eaf24, flags 00000300
vfat_lookup: name DSCN5970(1).JPG
vfat_create: name DSCN5970(1).JPG
vfat_add_entry: 0: DSCN59~1, JPG
vfat_add_entry: 1: DSCN5, 970(1), .J
vfat_add_entry: 2: PG
vfat_create: err 0

Abnormal file:
# cp -v DSCN5980.JPG /mnt/loop/
`DSCN5980.JPG' -> `/mnt/loop/DSCN5980.JPG'

dmesg:
vfat_hashi: parent d1801e94, parent->d_op e0fbc620
vfat_hashi: parent /, name DSCN5980.JPG
vfat_cmpi: parent d1801e94, parent->d_op e0fbc620
vfat_cmpi: a dscn5980.jpg, b DSCN5980.JPG
vfat_revalidate: name dscn5980.jpg, nd d65eaeec, flags 00000001
vfat_lookup: name DSCN5980.JPG
vfat_hashi: parent d1801e94, parent->d_op e0fbc620
vfat_hashi: parent /, name DSCN5980.JPG
vfat_cmpi: parent d1801e94, parent->d_op e0fbc620
vfat_cmpi: a DSCN5980.JPG, b DSCN5980.JPG
vfat_revalidate: name DSCN5980.JPG, nd d65eaf24, flags 00000300
vfat_lookup: name DSCN5980.JPG
vfat_create: name DSCN5980.JPG
vfat_add_entry: 0: DSCN5980, JPG
vfat_create: err 0

and:
# ls -l /mnt/loop/
totale 1363
-rwxr-xr-x 1 root root 695514 22 nov 20:04 DSCN5970(1).JPG
-rwxr-xr-x 1 root root 699770 22 nov 20:07 dscn5980.jpg

dmesg:
vfat_hashi: parent d1801e94, parent->d_op e0fbc620
vfat_hashi: parent /, name DSCN5970(1).JPG
vfat_cmpi: parent d1801e94, parent->d_op e0fbc620
vfat_cmpi: a DSCN5970(1).JPG, b DSCN5970(1).JPG
vfat_revalidate: name DSCN5970(1).JPG, nd d2512eec, flags 00000000
vfat_lookup: name DSCN5970(1).JPG
vfat_hashi: parent d1801e94, parent->d_op e0fbc620
vfat_hashi: parent /, name dscn5980.jpg
vfat_cmpi: parent d1801e94, parent->d_op e0fbc620
vfat_cmpi: a DSCN5980.JPG, b dscn5980.jpg
vfat_revalidate: name DSCN5980.JPG, nd d2512eec, flags 00000000



:(


-- 
Matteo 'Peach' Pescarin

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