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authorJaegeuk Kim2017-09-09 12:03:23 -0700
committerJaegeuk Kim2017-09-11 17:22:12 -0700
commit1eb1ef4a8e9f6a4d9c2c7a645aba21d2f8719728 (patch)
treeedfb21cfe9da34162191d15c3909acd31ce99040 /fs/f2fs
parent27161f13e3c3241944846ac24942a85cceda0a2c (diff)
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 <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/segment.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 9e708e525ba8..273cc645e502 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;