diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/gfs2/glock.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 297421c0427a..fdb796c4f940 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c | |||
@@ -1300,7 +1300,6 @@ static int gfs2_shrink_glock_memory(int nr, gfp_t gfp_mask) | |||
1300 | struct gfs2_glock *gl; | 1300 | struct gfs2_glock *gl; |
1301 | int may_demote; | 1301 | int may_demote; |
1302 | int nr_skipped = 0; | 1302 | int nr_skipped = 0; |
1303 | int got_ref = 0; | ||
1304 | LIST_HEAD(skipped); | 1303 | LIST_HEAD(skipped); |
1305 | 1304 | ||
1306 | if (nr == 0) | 1305 | if (nr == 0) |
@@ -1318,7 +1317,6 @@ static int gfs2_shrink_glock_memory(int nr, gfp_t gfp_mask) | |||
1318 | /* Test for being demotable */ | 1317 | /* Test for being demotable */ |
1319 | if (!test_and_set_bit(GLF_LOCK, &gl->gl_flags)) { | 1318 | if (!test_and_set_bit(GLF_LOCK, &gl->gl_flags)) { |
1320 | gfs2_glock_hold(gl); | 1319 | gfs2_glock_hold(gl); |
1321 | got_ref = 1; | ||
1322 | spin_unlock(&lru_lock); | 1320 | spin_unlock(&lru_lock); |
1323 | spin_lock(&gl->gl_spin); | 1321 | spin_lock(&gl->gl_spin); |
1324 | may_demote = demote_ok(gl); | 1322 | may_demote = demote_ok(gl); |
@@ -1327,25 +1325,14 @@ static int gfs2_shrink_glock_memory(int nr, gfp_t gfp_mask) | |||
1327 | if (may_demote) { | 1325 | if (may_demote) { |
1328 | handle_callback(gl, LM_ST_UNLOCKED, 0); | 1326 | handle_callback(gl, LM_ST_UNLOCKED, 0); |
1329 | nr--; | 1327 | nr--; |
1330 | if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) | ||
1331 | gfs2_glock_put(gl); | ||
1332 | got_ref = 0; | ||
1333 | } | 1328 | } |
1329 | if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) | ||
1330 | gfs2_glock_put(gl); | ||
1334 | spin_lock(&lru_lock); | 1331 | spin_lock(&lru_lock); |
1335 | if (may_demote) | 1332 | continue; |
1336 | continue; | ||
1337 | } | ||
1338 | if (list_empty(&gl->gl_lru) && | ||
1339 | (atomic_read(&gl->gl_ref) <= (2 + got_ref))) { | ||
1340 | nr_skipped++; | ||
1341 | list_add(&gl->gl_lru, &skipped); | ||
1342 | } | ||
1343 | if (got_ref) { | ||
1344 | spin_unlock(&lru_lock); | ||
1345 | gfs2_glock_put(gl); | ||
1346 | spin_lock(&lru_lock); | ||
1347 | got_ref = 0; | ||
1348 | } | 1333 | } |
1334 | nr_skipped++; | ||
1335 | list_add(&gl->gl_lru, &skipped); | ||
1349 | } | 1336 | } |
1350 | list_splice(&skipped, &lru_list); | 1337 | list_splice(&skipped, &lru_list); |
1351 | atomic_add(nr_skipped, &lru_count); | 1338 | atomic_add(nr_skipped, &lru_count); |