diff options
| author | Amir Goldstein <amir73il@gmail.com> | 2018-01-19 01:03:23 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2018-01-24 11:26:00 +0100 |
| commit | 8556a4205b111c4dac931ee5eba4fcce74c3cb21 (patch) | |
| tree | 91e96d4841893b6b7e5b938e59725f6a31996add /fs/overlayfs/namei.c | |
| parent | 8ed5eec9d6c4c013aa657ebefbd10a1a0d15893d (diff) | |
ovl: decode pure upper file handles
Decoding an upper file handle is done by decoding the upper dentry from
underlying upper fs, finding or allocating an overlay inode that is
hashed by the real upper inode and instantiating an overlay dentry with
that inode.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/overlayfs/namei.c')
| -rw-r--r-- | fs/overlayfs/namei.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index ca15893cfaa9..a35c5eaa2c01 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -107,7 +107,7 @@ static int ovl_acceptable(void *ctx, struct dentry *dentry) * Return -ENODATA for "origin unknown". * Return <0 for an invalid file handle. */ -static int ovl_check_fh_len(struct ovl_fh *fh, int fh_len) +int ovl_check_fh_len(struct ovl_fh *fh, int fh_len) { if (fh_len < sizeof(struct ovl_fh) || fh_len < fh->len) return -EINVAL; @@ -171,7 +171,7 @@ invalid: goto out; } -static struct dentry *ovl_decode_fh(struct ovl_fh *fh, struct vfsmount *mnt) +struct dentry *ovl_decode_fh(struct ovl_fh *fh, struct vfsmount *mnt) { struct dentry *real; int bytes; |