gfs2: Skip dlm unlocks earlier

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When we were still caching unreferenced glocks, evicting all the cached inodes
in gfs2_kill_sb() did put the unreferenced glocks onto the glock lru list, and
they would be freed in gfs2_gl_hash_clear().  We could set the
SDF_SKIP_DLM_UNLOCK flag in gfs2_gl_hash_clear() to indicate to gdlm_put_lock()
to skip unlocking glocks explicitly when possible.  Now, glocks are demoted and
dropped immediately though, so to allow gdlm_put_lock() to skip unnecessary
unlocking, we need to set some "unmount" flag before calling
gfs2_evict_inodes().  We can use the existing SDF_KILL flag for that if we set
it before calling gfs2_evict_inodes() in gfs2_kill_sb().

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

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This commit is contained in:

Andreas Gruenbacher 2024-05-08 11:57:08 +02:00

parent 864174f976

commit c6963f393a

5 changed files with 2 additions and 7 deletions

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2

fs/gfs2/glock.c

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1

fs/gfs2/incore.h

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2

fs/gfs2/lock_dlm.c

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2

fs/gfs2/ops_fstype.c

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fs/gfs2/sys.c

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