f2fs: better to wait for fstrim completion
In android, we'd better wait for fstrim completion instead of issuing the
discard commands asynchronous.
Reviewed-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 9e708e5..273cc64 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -17,6 +17,7 @@
#include <linux/swap.h>
#include <linux/timer.h>
#include <linux/freezer.h>
+#include <linux/sched/signal.h>
#include "f2fs.h"
#include "segment.h"
@@ -1061,6 +1062,9 @@ static int __issue_discard_cmd(struct f2fs_sb_info *sbi, bool issue_cond)
if (dcc->pend_list_tag[i] & P_TRIM) {
__submit_discard_cmd(sbi, dc);
issued++;
+
+ if (fatal_signal_pending(current))
+ break;
continue;
}
@@ -1177,7 +1181,7 @@ void stop_discard_thread(struct f2fs_sb_info *sbi)
}
}
-/* This comes from f2fs_put_super */
+/* This comes from f2fs_put_super and f2fs_trim_fs */
void f2fs_wait_discard_bios(struct f2fs_sb_info *sbi)
{
__issue_discard_cmd(sbi, false);
@@ -2212,6 +2216,7 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
}
/* It's time to issue all the filed discards */
mark_discard_range_all(sbi);
+ f2fs_wait_discard_bios(sbi);
out:
range->len = F2FS_BLK_TO_BYTES(cpc.trimmed);
return err;
