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authorBob Peterson <rpeterso@redhat.com>2008-01-28 22:31:39 -0600
committerSteven Whitehouse <swhiteho@redhat.com>2008-03-31 10:40:13 +0100
commit29d38cd16358dcaef4a6c50866ecee28025b481a (patch)
treee8694d79f6c422aa68af5c493f8b761c7eff5515 /fs/gfs2/glock.c
parent42d52e3818751633656fb90df1bd5cb5362fa8cc (diff)
downloadconfigs-29d38cd16358dcaef4a6c50866ecee28025b481a.tar.gz
[GFS2] Get rid of gl_waiters2
This patch reduces memory by replacing the int variable gl_waiters2 by a single bit in the gl_flags. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/glock.c')
-rw-r--r--fs/gfs2/glock.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index befcda0e53a..951cb91e7dd 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -595,11 +595,12 @@ static void run_queue(struct gfs2_glock *gl)
blocked = rq_mutex(gh);
} else if (test_bit(GLF_DEMOTE, &gl->gl_flags)) {
blocked = rq_demote(gl);
- if (gl->gl_waiters2 && !blocked) {
+ if (test_bit(GLF_WAITERS2, &gl->gl_flags) &&
+ !blocked) {
set_bit(GLF_DEMOTE, &gl->gl_flags);
gl->gl_demote_state = LM_ST_UNLOCKED;
}
- gl->gl_waiters2 = 0;
+ clear_bit(GLF_WAITERS2, &gl->gl_flags);
} else if (!list_empty(&gl->gl_waiters3)) {
gh = list_entry(gl->gl_waiters3.next,
struct gfs2_holder, gh_list);
@@ -710,7 +711,7 @@ static void handle_callback(struct gfs2_glock *gl, unsigned int state,
} else if (gl->gl_demote_state != LM_ST_UNLOCKED &&
gl->gl_demote_state != state) {
if (test_bit(GLF_DEMOTE_IN_PROGRESS, &gl->gl_flags))
- gl->gl_waiters2 = 1;
+ set_bit(GLF_WAITERS2, &gl->gl_flags);
else
gl->gl_demote_state = LM_ST_UNLOCKED;
}