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bug#13172: tail: unrecognized file system type
From: |
Bernhard Voelker |
Subject: |
bug#13172: tail: unrecognized file system type |
Date: |
Fri, 14 Dec 2012 10:18:34 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 |
On 12/13/2012 02:37 PM, coni wrote:
> Hi i've got a warning message in tail command:
> "tail -f /vc/log/apache2/access_log" - report to bug.
>
> tail (GNU coreutils) 8.20
> Packaged by Gentoo (8.20 (p1.0))
>
> - file system type ceph
>
> message:
>
> tail: unrecognized file system type 0x00c36400 for
> '/vc/log/apache2/access_log'.
> please report this to address@hidden reverting to polling
>
> Regards:
> Conrad.
Thanks for the report.
As a distributed network file system, CEPH seems to be a "remote"
file system, i.e. not supporting inotify.
Conrad, would you mind giving us your full name, so that we can
mention it correctly in THANKS.in?
Here comes the patch.
Have a nice day,
Berny
>From 5997134899c9abd5efd635a446fb1a3975483a82 Mon Sep 17 00:00:00 2001
From: Bernhard Voelker <address@hidden>
Date: Fri, 14 Dec 2012 10:11:51 +0100
Subject: [PATCH] tail,stat: improve support for the ceph file system
Teach tail -f that it must use polling on ceph file systems, and
let stat -f --format=%T report the file system type name, "ceph".
Website: http://ceph.com/
* src/stat.c (human_fstype): Add a case: ceph, 0x00c36400, remote.
* NEWS (Improvements): Mention it.
* THANKS.in: Update.
Reported by Conrad <address@hidden> in http://bugs.gnu.org/13172.
---
NEWS | 6 ++++++
THANKS.in | 1 +
src/stat.c | 2 ++
3 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/NEWS b/NEWS
index e22d3a9..1ee2c17 100644
--- a/NEWS
+++ b/NEWS
@@ -59,6 +59,12 @@ GNU coreutils NEWS -*-
outline -*-
nl no longer supports the --page-increment option which was deprecated
since coreutils-7.5. Use --line-increment instead.
+** Improvements
+
+ stat and tail now know about CEPH. stat -f --format=%T now reports the file
+ system type, and tail -f uses polling for files on CEPH file systems.
+
+
** Build-related
Perl is now more of a prerequisite. It has long been required in order
diff --git a/THANKS.in b/THANKS.in
index f0ef9b8..802e52d 100644
--- a/THANKS.in
+++ b/THANKS.in
@@ -129,6 +129,7 @@ Clark Morgan address@hidden
Clement Wang address@hidden
Colin Plumb address@hidden
Collin Rogowski address@hidden
+Conrad ?? address@hidden
Cray-Cyber Project http://www.cray-cyber.org
Cristian Cadar address@hidden
Cyril Bouthors address@hidden
diff --git a/src/stat.c b/src/stat.c
index 51f4b90..6283566 100644
--- a/src/stat.c
+++ b/src/stat.c
@@ -266,6 +266,8 @@ human_fstype (STRUCT_STATVFS const *statfsbuf)
return "binfmt_misc";
case S_MAGIC_BTRFS: /* 0x9123683E local */
return "btrfs";
+ case S_MAGIC_CEPH: /* 0x00c36400 remote */
+ return "ceph";
case S_MAGIC_CGROUP: /* 0x0027E0EB local */
return "cgroupfs";
case S_MAGIC_CIFS: /* 0xFF534D42 remote */
--
1.7.7