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Subject[PATCH 1/2] f2fs: handle readonly filesystem in f2fs_ioc_shutdown()
Date
If mountpoint is readonly, we should allow shutdowning filesystem
successfully, this fixes issue found by generic/599 testcase of
xfstest.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
fs/f2fs/file.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index bcca22752ebe..dbf4a342c02b 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2232,8 +2232,15 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)

if (in != F2FS_GOING_DOWN_FULLSYNC) {
ret = mnt_want_write_file(filp);
- if (ret)
+ if (ret) {
+ if (ret == -EROFS) {
+ ret = 0;
+ f2fs_stop_checkpoint(sbi, false);
+ set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
+ trace_f2fs_shutdown(sbi, in, ret);
+ }
return ret;
+ }
}

switch (in) {
--
2.18.0.rc1
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