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| author | Vivek Goyal <vgoyal@redhat.com> | 2018-05-11 18:49:33 +0300 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2018-07-20 10:56:16 +0300 |
| commit | d1e6f6a94d6cefed2b6f7a222853ebcd2805b43b (patch) | |
| tree | 886105152c5d50eaa442f8b1e2eeb793937f897b | |
| parent | 0a2d0d3f2f291e3080721888a986ea52e43e1086 (diff) | |
| download | linux-d1e6f6a94d6cefed2b6f7a222853ebcd2805b43b.tar.xz | |
ovl: add helper to force data copy-up
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
| -rw-r--r-- | fs/overlayfs/copy_up.c | 5 | ||||
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index d9a8d9291358..d8331f817b95 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -867,6 +867,11 @@ int ovl_open_maybe_copy_up(struct dentry *dentry, unsigned int file_flags) return err; } +int ovl_copy_up_with_data(struct dentry *dentry) +{ + return ovl_copy_up_flags(dentry, O_WRONLY); +} + int ovl_copy_up(struct dentry *dentry) { return ovl_copy_up_flags(dentry, 0); diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index c85aa438cc8f..f61839e1054c 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -407,6 +407,7 @@ extern const struct file_operations ovl_file_operations; /* copy_up.c */ int ovl_copy_up(struct dentry *dentry); +int ovl_copy_up_with_data(struct dentry *dentry); int ovl_copy_up_flags(struct dentry *dentry, int flags); int ovl_open_maybe_copy_up(struct dentry *dentry, unsigned int file_flags); int ovl_copy_xattr(struct dentry *old, struct dentry *new); |