gfs2: Save ip from gfs2_glock_nq_init

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Before this patch, when a glock was locked by function gfs2_glock_nq_init,
it initialized the holder gh_ip (return address) as gfs2_glock_nq_init.
That made it extremely difficult to track down problems because many
functions call gfs2_glock_nq_init. This patch changes the function so
that it saves gh_ip from the caller of gfs2_glock_nq_init, which makes
it easy to backtrack which holder took the lock.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>

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This commit is contained in:

Andreas Gruenbacher 2021-09-30 13:49:36 -05:00

parent a500bd3155

commit b016d9a84a

2 changed files with 14 additions and 7 deletions

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8

fs/gfs2/glock.c

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13

fs/gfs2/glock.h

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