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authorAmir Goldstein <amir73il@gmail.com>2017-01-17 06:34:53 +0200
committerMiklos Szeredi <mszeredi@redhat.com>2017-02-07 15:47:14 +0100
commite7f52429b4a5b2e3224948d1737eb264c8f7e15f (patch)
treec3d1a5bec15caa0f01768772f9bc7334ff7dfd43 /fs/overlayfs/ovl_entry.h
parentvfs: wrap write f_ops with file_{start,end}_write() (diff)
downloadlinux-dev-e7f52429b4a5b2e3224948d1737eb264c8f7e15f.tar.xz
linux-dev-e7f52429b4a5b2e3224948d1737eb264c8f7e15f.zip
ovl: check if upperdir fs supports O_TMPFILE
This is needed for choosing between concurrent copyup using O_TMPFILE and legacy copyup using workdir+rename. Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/ovl_entry.h')
-rw-r--r--fs/overlayfs/ovl_entry.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/overlayfs/ovl_entry.h b/fs/overlayfs/ovl_entry.h
index d14bca1850d9..65f240001aa6 100644
--- a/fs/overlayfs/ovl_entry.h
+++ b/fs/overlayfs/ovl_entry.h
@@ -27,6 +27,7 @@ struct ovl_fs {
struct ovl_config config;
/* creds of process who forced instantiation of super block */
const struct cred *creator_cred;
+ bool tmpfile;
};
/* private information held for every overlayfs dentry */