* [Bug 17872] New: ext4 does not honour chattr +s attribute
@ 2010-09-06 2:35 bugzilla-daemon
2010-09-06 2:55 ` [Bug 17872] " bugzilla-daemon
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: bugzilla-daemon @ 2010-09-06 2:35 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=17872
Summary: ext4 does not honour chattr +s attribute
Product: File System
Version: 2.5
Kernel Version: 2.6.34
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: enhancement
Priority: P1
Component: ext4
AssignedTo: fs_ext4@kernel-bugs.osdl.org
ReportedBy: usedonlytosignup@gmail.com
Regression: No
According to the man page setting this attribute will cause the files blocks to
be zero'd if it is deleted. It says it does this for ext2 and ext3 and does not
mention ext4, so I've marked it as "enhancement" though I think this is really
a bug.
Because it doesn't zero the blocks.
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* [Bug 17872] ext4 does not honour chattr +s attribute
2010-09-06 2:35 [Bug 17872] New: ext4 does not honour chattr +s attribute bugzilla-daemon
@ 2010-09-06 2:55 ` bugzilla-daemon
2010-09-06 3:12 ` bugzilla-daemon
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2010-09-06 2:55 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=17872
Andreas Dilger <adilger.kernelbugzilla@dilger.ca> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |adilger.kernelbugzilla@dilg
| |er.ca
--- Comment #1 from Andreas Dilger <adilger.kernelbugzilla@dilger.ca> 2010-09-06 02:55:05 ---
Please read the man page carefully:
When a file with the ‘s’ attribute set is deleted, its blocks are
zeroed and written back to the disk. Note: please make sure to read
the bugs and limitations section at the end of this document.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
:
:
BUGS AND LIMITATIONS
The ‘c’, ’s’, and ‘u’ attributes are not honored by the ext2 and ext3
^^^
filesystems as implemented in the current mainline Linux kernels.
These attributes may be implemented in future versions of the ext2 and
ext3 filesystems.
I agree it is a bug that the _man_page_ doesn't also mention ext4 as NOT
zeroing out blocks when "+s" is used.
It makes me wonder why these "features" are mentioned in the man page at all,
since it never worked and there is no plan to make it work. Since this
question comes up on a regular basis, it makes me wonder if it would be better
to just remove mention of these options until they are actually implemented.
When they ARE implemented, they should list explicitly which filesystems DO
support those features, rather than redirecting to the end of the document.
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug 17872] ext4 does not honour chattr +s attribute
2010-09-06 2:35 [Bug 17872] New: ext4 does not honour chattr +s attribute bugzilla-daemon
2010-09-06 2:55 ` [Bug 17872] " bugzilla-daemon
@ 2010-09-06 3:12 ` bugzilla-daemon
2010-09-06 3:12 ` bugzilla-daemon
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2010-09-06 3:12 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=17872
--- Comment #2 from Rob Fortune <usedonlytosignup@gmail.com> 2010-09-06 03:12:10 ---
My bad for missing the not. Your comment is spot on, mentioning non-existent
features is pointless. It should be done the way you suggested.
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* [Bug 17872] ext4 does not honour chattr +s attribute
2010-09-06 2:35 [Bug 17872] New: ext4 does not honour chattr +s attribute bugzilla-daemon
2010-09-06 2:55 ` [Bug 17872] " bugzilla-daemon
2010-09-06 3:12 ` bugzilla-daemon
@ 2010-09-06 3:12 ` bugzilla-daemon
2010-09-06 3:16 ` bugzilla-daemon
2012-11-05 14:24 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2010-09-06 3:12 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=17872
--- Comment #3 from Rob Fortune <usedonlytosignup@gmail.com> 2010-09-06 03:12:30 ---
Pointless and confusing.
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* [Bug 17872] ext4 does not honour chattr +s attribute
2010-09-06 2:35 [Bug 17872] New: ext4 does not honour chattr +s attribute bugzilla-daemon
` (2 preceding siblings ...)
2010-09-06 3:12 ` bugzilla-daemon
@ 2010-09-06 3:16 ` bugzilla-daemon
2012-11-05 14:24 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2010-09-06 3:16 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=17872
--- Comment #4 from Rob Fortune <usedonlytosignup@gmail.com> 2010-09-06 03:16:43 ---
And apologies for the spammy third reply but a three to five pass random wipe
before zeroing them would be a much better feature than just zeroing them
anyway.
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* [Bug 17872] ext4 does not honour chattr +s attribute
2010-09-06 2:35 [Bug 17872] New: ext4 does not honour chattr +s attribute bugzilla-daemon
` (3 preceding siblings ...)
2010-09-06 3:16 ` bugzilla-daemon
@ 2012-11-05 14:24 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2012-11-05 14:24 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=17872
Alan <alan@lxorguk.ukuu.org.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |alan@lxorguk.ukuu.org.uk
Resolution| |WILL_NOT_FIX
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end of thread, other threads:[~2012-11-05 14:24 UTC | newest]
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