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Ensure gpfs kernel leases are wrapped in a become_root()/unbecome_root() pair.

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Ensures correct lease owner for signal delivery.

Signed-off-by: Ralph Wuerthner <ralphw@de.ibm.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Simo Sorce <idra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Aug  1 03:57:11 CEST 2013 on sn-devel-104
This commit is contained in:
Ralph Wuerthner 2013-07-31 16:33:48 -07:00 committed by Jeremy Allison
parent 1af8b07929
commit f9d19c459f
1 changed files with 6 additions and 0 deletions
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6
source3/modules/vfs_gpfs.c
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@ -111,7 +111,13 @@ static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
START_PROFILE(syscall_linux_setlease);
if (config->leases) {
/*
* Ensure the lease owner is root to allow
* correct delivery of lease-break signals.
*/
become_root();
ret = set_gpfs_lease(fsp->fh->fd,leasetype);
unbecome_root();
}
END_PROFILE(syscall_linux_setlease);