Mark a superblock that is for for an R/O or Backup volume as SB_RDONLY when
mounting it.
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: Marc Dionne <marc.dionne@xxxxxxxxxxxx>
cc: linux-afs@xxxxxxxxxxxxxxxxxxx
---
fs/afs/super.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/afs/super.c b/fs/afs/super.c
index e95fb4cb4fcd..a01a0fb2cdbb 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -407,8 +407,10 @@ static int afs_validate_fc(struct fs_context *fc)
return PTR_ERR(volume);
ctx->volume = volume;
- if (volume->type != AFSVL_RWVOL)
+ if (volume->type != AFSVL_RWVOL) {
ctx->flock_mode = afs_flock_mode_local;
+ fc->sb_flags |= SB_RDONLY;
+ }
}
return 0;
