Patchwork ubifs: add update vfs super block infomation when remount to ro mode

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Submitter ZhangJieJing
Date April 29, 2010, 6:38 a.m.
Message ID <j2ycf7b913c1004282338n64902b64g453442bdcb69d8f5@mail.gmail.com>
Download mbox | patch
Permalink /patch/51268/
State New
Headers show

Comments

ZhangJieJing - April 29, 2010, 6:38 a.m.
If some read/write error happens, ubifs make self a read only mode,
but the vfs infomation still not update.
This patch add this also make /proc/mounts update.

Signed-off-by: zhangjiejing <kzjeef@gmail.com>

Change-Id: I709ada21d1f6168d2e785eac389510e2b5edb2a4
---
 fs/ubifs/io.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

Patch

diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c
index 0168271..d33c233 100644
--- a/fs/ubifs/io.c
+++ b/fs/ubifs/io.c
@@ -63,6 +63,7 @@  void ubifs_ro_mode(struct ubifs_info *c, int err)
 	if (!c->ro_media) {
 		c->ro_media = 1;
 		c->no_chk_data_crc = 0;
+                c->vfs_sb->s_flags |= MS_RDONLY;
 		ubifs_warn("switched to read-only mode, error %d", err);
 		dbg_dump_stack();
 	}