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gfs2: Get rid of unnecessary test_and_set_bit

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The GLF_LOCK flag is protected by the gl->gl_lockref.lock spin lock
which is held when entering run_queue(), so we can use test_bit() and
set_bit() here.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
This commit is contained in:
Andreas Gruenbacher 2024-03-29 15:46:32 +01:00
parent 927cfc90d2
commit 262ee3a07e
1 changed files with 2 additions and 1 deletions
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3
fs/gfs2/glock.c
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@ -842,8 +842,9 @@ __acquires(&gl->gl_lockref.lock)
{
struct gfs2_holder *gh = NULL;
if (test_and_set_bit(GLF_LOCK, &gl->gl_flags))
if (test_bit(GLF_LOCK, &gl->gl_flags))
return;
set_bit(GLF_LOCK, &gl->gl_flags);
GLOCK_BUG_ON(gl, test_bit(GLF_DEMOTE_IN_PROGRESS, &gl->gl_flags));