linux-ext4 - [Bug 217145] Feature request: I need very long directory and file names

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Message-ID: <bug-217145-13602-xUjOe0PCqO@https.bugzilla.kernel.org/>
Date:   Mon, 06 Mar 2023 10:15:25 +0000
From:   bugzilla-daemon@...nel.org
To:     linux-ext4@...r.kernel.org
Subject: [Bug 217145] Feature request: I need very long directory and file
 names

https://bugzilla.kernel.org/show_bug.cgi?id=217145

Christian Kujau (kernel@...dbynature.de) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kernel@...dbynature.de

--- Comment #1 from Christian Kujau (kernel@...dbynature.de) ---
Ext4 (and Btrfs and XFS too) supports file names up to 255 bytes long. How long
do you need a file name to be? That 1-3 KB refers to....a list of files, or the
actual file name length? I'm interested in the actual use cases for this. Also,
what's that name of the torrent client that magically truncates file names
here?

$ mkdir -p $(perl -e 'print "a"x255')/$(perl -e 'print "b"x255')
$ touch $(perl -e 'print "a"x255')/$(perl -e 'print "b"x255')/$(perl -e 'print
"c"x255')
$ find a*
aaaaaaaaaaaaa[...] well, you get the idea :-)

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