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| /openbmc/qemu/hw/9pfs/ |
| H A D | 9p-synth.c | diff 0009df31cb51cb2be681f4eebd58a9776d75a580 Mon Mar 14 13:58:11 CDT 2022 Christian Schoenebeck <qemu_oss@crudebyte.com> 9pfs: fix inode sequencing in 'synth' driver
The 'synth' driver's root node and the 'synth' driver's first
subdirectory node falsely share the same inode number (zero), which
makes it impossible for 9p clients (i.e. 9p test cases) to distinguish
root node and first subdirectory from each other by comparing their QIDs
(which are derived by 9p server from driver's inode numbers).
Fix this issue by using prefix-increment instead of postfix-increment
operator while generating new inode numbers for subdirectories and files.
Link: https://lore.kernel.org/qemu-devel/3859307.hTDP4D0zbi@silver/
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <E1nTpyU-0000yR-9o@lizzy.crudebyte.com>
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