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author | Amir Goldstein <amir73il@gmail.com> | 2017-11-29 07:35:21 +0200 |
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committer | Miklos Szeredi <mszeredi@redhat.com> | 2017-12-11 11:28:11 +0100 |
commit | b02a16e6413a2f782e542ef60bad9ff6bf212f8a (patch) | |
tree | 515434bdb7d07018dff9f0d37d6909276da9ffa9 /fs | |
parent | 08d8f8a5b094b66b29936e8751b4a818b8db1207 (diff) | |
download | linux-b02a16e6413a2f782e542ef60bad9ff6bf212f8a.tar.gz linux-b02a16e6413a2f782e542ef60bad9ff6bf212f8a.tar.bz2 linux-b02a16e6413a2f782e542ef60bad9ff6bf212f8a.zip |
ovl: update ctx->pos on impure dir iteration
This fixes a regression with readdir of impure dir in overlayfs
that is shared to VM via 9p fs.
Reported-by: Miguel Bernal Marin <miguel.bernal.marin@linux.intel.com>
Fixes: 4edb83bb1041 ("ovl: constant d_ino for non-merge dirs")
Cc: <stable@vger.kernel.org> #4.14
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Tested-by: Miguel Bernal Marin <miguel.bernal.marin@linux.intel.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/overlayfs/readdir.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/overlayfs/readdir.c b/fs/overlayfs/readdir.c index 0daa4354fec4..51088849ce97 100644 --- a/fs/overlayfs/readdir.c +++ b/fs/overlayfs/readdir.c @@ -663,7 +663,10 @@ static int ovl_iterate_real(struct file *file, struct dir_context *ctx) return PTR_ERR(rdt.cache); } - return iterate_dir(od->realfile, &rdt.ctx); + err = iterate_dir(od->realfile, &rdt.ctx); + ctx->pos = rdt.ctx.pos; + + return err; } |