gfs2: Add GL_NOBLOCK flag

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Add a GL_NOBLOCK flag for trying to take a glock without sleeping.  This
will be used for implementing non-blocking lookup (MAY_NOT_BLOCK in
gfs2_permission, LOOKUP_RCU in gfs2_drevalidate).

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

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Andreas Gruenbacher 2023-11-13 16:49:38 +01:00

parent 95d0f62525

commit f9f229c1f7

2 changed files with 39 additions and 1 deletions

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39

fs/gfs2/glock.c

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1

fs/gfs2/glock.h

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