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authorJaegeuk Kim <jaegeuk@kernel.org>2017-08-15 21:27:19 -0700
committerMister Oyster <oysterized@gmail.com>2017-10-04 15:35:21 +0200
commitf34bdace069ba7781ea86993ffb3c3a71404c48d (patch)
tree4109b434ffcf60bbd6de551ff9b4111f8a289583 /fs/f2fs
parente8c4b30cab04e04fc25c84766db8556bf88b158f (diff)
downloadandroid_kernel_m2note-f34bdace069ba7781ea86993ffb3c3a71404c48d.tar.gz
f2fs: issue discard commands if gc_urgent is set
It's time to issue all the discard commands, if user sets the idle time. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/segment.c6
-rw-r--r--fs/f2fs/sysfs.c5
2 files changed, 10 insertions, 1 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 5400a6372..9e749214d 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -21,6 +21,7 @@
#include "f2fs.h"
#include "segment.h"
#include "node.h"
+#include "gc.h"
#include "trace.h"
#include <trace/events/f2fs.h>
@@ -1312,8 +1313,11 @@ static int issue_discard_thread(void *data)
if (kthread_should_stop())
return 0;
- if (dcc->discard_wake)
+ if (dcc->discard_wake) {
dcc->discard_wake = 0;
+ if (sbi->gc_thread && sbi->gc_thread->gc_urgent)
+ mark_discard_range_all(sbi);
+ }
sb_start_intwrite(sbi->sb);
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index fbbe6e036..6da09ac21 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -178,8 +178,13 @@ static ssize_t f2fs_sbi_store(struct f2fs_attr *a,
if (!strcmp(a->attr.name, "iostat_enable") && *ui == 0)
f2fs_reset_iostat(sbi);
if (!strcmp(a->attr.name, "gc_urgent") && t == 1 && sbi->gc_thread) {
+ struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
+
sbi->gc_thread->gc_wake = 1;
wake_up_interruptible_all(&sbi->gc_thread->gc_wait_queue_head);
+
+ dcc->discard_wake = 1;
+ wake_up_interruptible_all(&dcc->discard_wait_queue);
}
return count;