dlm: fix user space lock decision to copy lvb

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This patch fixes the copy lvb decision for user space lock requests.
Checking dlm_lvb_operations is done earlier, where granted/requested
lock modes are available to use in the matrix.

The decision had been moved to the wrong location, where granted mode
and requested mode where the same, which causes the dlm_lvb_operations
matix to produce the wrong copy decision. For PW or EX requests, the
caller could get invalid lvb data.

Fixes: 61bed0baa4 ("fs: dlm: use a non-static queue for callbacks")
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>

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Alexander Aring 2024-03-28 11:48:33 -04:00 • committed by David Teigland

parent 39cd87c4eb

commit ad191e0eee

3 changed files with 17 additions and 13 deletions

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14

fs/dlm/ast.c

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1

fs/dlm/dlm_internal.h

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15

fs/dlm/user.c

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