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rump_fs: try to mount the fs on startup

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By now the file system gets mounted and unmounted on demand (whenever
the first clients comes along and whenever the last client leaves).
As a precaution we now also try to mount and unmounted the file system
in the init phase to prevent the first client from failing to its own
surprise.

Issue #2558.
This commit is contained in:
Josef Söntgen 2017-11-02 11:51:58 +01:00 committed by Christian Helmuth
parent f2d063be07
commit 84e0ffe7cb
1 changed files with 14 additions and 0 deletions
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14
repos/dde_rump/src/server/rump_fs/file_system.cc
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@ -99,6 +99,20 @@ void File_system::init()
/* check support for symlinks */ /* check support for symlinks */
_supports_symlinks = check_symlinks(fs_type); _supports_symlinks = check_symlinks(fs_type);
/*
* Try to mount the file system just to check if it
* is working as intended. In case it is not that gives
* us a change to react upon before any client may
* hang.
*/
try {
mount_fs();
unmount_fs();
} catch (...) {
Genode::error("dry mount attempt failed, aborting");
throw Genode::Exception();
}
} }