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From 75b23fa0a4916a228b2b66e73044378931862a49 Mon Sep 17 00:00:00 2001
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From: Frantisek Sumsal <frantisek@sumsal.cz>
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Date: Sun, 30 Jan 2022 23:40:05 +0100
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Subject: [PATCH] basic: update CIFS magic
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Kernel commit dea2903719283c156b53741126228c4a1b40440f exposed (and
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renamed) CIFS_MAGIC_NUMBER as CIFS_SUPER_MAGIC along with
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SMB2_SUPER_MAGIC.
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This fixes the following build fail on current Fedora Rawhide:
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```
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../src/basic/meson.build:389:8: ERROR: Problem encountered: found unknown filesystem(s) defined in kernel headers:
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Filesystem found in kernel header but not in filesystems-gperf.gperf: CIFS_SUPER_MAGIC
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Filesystem found in kernel header but not in filesystems-gperf.gperf: SMB2_SUPER_MAGIC
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```
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(cherry picked from commit bbe53713455be38c0a587626439fd171f28c77fc)
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Related: #2017035
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---
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src/basic/filesystems-gperf.gperf | 4 ++--
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src/basic/missing_magic.h | 11 ++++++++---
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2 files changed, 10 insertions(+), 5 deletions(-)
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diff --git a/src/basic/filesystems-gperf.gperf b/src/basic/filesystems-gperf.gperf
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index 08c8c44510..e8c5357f91 100644
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--- a/src/basic/filesystems-gperf.gperf
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+++ b/src/basic/filesystems-gperf.gperf
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@@ -40,7 +40,7 @@ ceph, {CEPH_SUPER_MAGIC}
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cgroup2, {CGROUP2_SUPER_MAGIC}
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# note that the cgroupfs magic got reassigned from cpuset
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cgroup, {CGROUP_SUPER_MAGIC}
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-cifs, {CIFS_MAGIC_NUMBER}
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+cifs, {CIFS_SUPER_MAGIC, SMB2_SUPER_MAGIC}
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coda, {CODA_SUPER_MAGIC}
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configfs, {CONFIGFS_MAGIC}
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cramfs, {CRAMFS_MAGIC}
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@@ -109,7 +109,7 @@ selinuxfs, {SELINUX_MAGIC}
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shiftfs, {SHIFTFS_MAGIC}
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smackfs, {SMACK_MAGIC}
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# smb3 is an alias for cifs
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-smb3, {CIFS_MAGIC_NUMBER}
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+smb3, {CIFS_SUPER_MAGIC}
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# smbfs was removed from the kernel in 2010, the magic remains
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smbfs, {SMB_SUPER_MAGIC}
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sockfs, {SOCKFS_MAGIC}
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diff --git a/src/basic/missing_magic.h b/src/basic/missing_magic.h
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index 7d9320bb6d..c104fcfba3 100644
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--- a/src/basic/missing_magic.h
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+++ b/src/basic/missing_magic.h
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@@ -38,9 +38,14 @@
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#define XFS_SB_MAGIC 0x58465342
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#endif
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-/* Not exposed yet. Defined at fs/cifs/cifsglob.h */
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-#ifndef CIFS_MAGIC_NUMBER
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-#define CIFS_MAGIC_NUMBER 0xFF534D42
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+/* dea2903719283c156b53741126228c4a1b40440f (5.17) */
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+#ifndef CIFS_SUPER_MAGIC
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+#define CIFS_SUPER_MAGIC 0xFF534D42
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+#endif
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+
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+/* dea2903719283c156b53741126228c4a1b40440f (5.17) */
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+#ifndef SMB2_SUPER_MAGIC
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+#define SMB2_SUPER_MAGIC 0xFE534D42
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#endif
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/* 257f871993474e2bde6c497b54022c362cf398e1 (4.5) */
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