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mirror of git://sourceware.org/git/lvm2.git synced 2025-01-27 18:04:20 +03:00
Dave Wysochanski db023c4448 Add an open_mode to the vg struct for liblvm - enforce read / write semantics.
For now, a simple way to enforce the read/write semantics is to just save the
open mode of the VG.  If the caller uses lvm_vg_create, the mode is write.
The caller using lvm_vg_open can use either read or write to open the VG.
Once we have this, we enforce the permissions on each API call and don't allow
a caller to modify a VG that has not been opened properly.

This may be better combined with the locking mode, but I view that as future
cleanup, past this initial release.  The intial release should enforce the
basic object semantics though, as described in the lvm.h file.

Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
2009-07-28 15:14:56 +00:00
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