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ovl: disambiguate ovl_encode_fh() 

Rename ovl_encode_fh() to ovl_encode_real_fh() to differentiate from the
exportfs function ovl_encode_inode_fh() and change the latter to
ovl_encode_fh() to match the exportfs method name.

Rename ovl_decode_fh() to ovl_decode_real_fh() for consistency.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
zero-colors
Amir Goldstein 2018-02-02 10:42:03 +02:00 committed by Miklos Szeredi
parent 9f99e50d46
commit 5b2cccd32c
4 changed files with 16 additions and 16 deletions
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6
fs/overlayfs/copy_up.c
View File

@ -232,7 +232,7 @@ int ovl_set_attr(struct dentry *upperdentry, struct kstat *stat)
return err;
}
struct ovl_fh *ovl_encode_fh(struct dentry *real, bool is_upper)
struct ovl_fh *ovl_encode_real_fh(struct dentry *real, bool is_upper)
{
struct ovl_fh *fh;
int fh_type, fh_len, dwords;
@ -300,7 +300,7 @@ int ovl_set_origin(struct dentry *dentry, struct dentry *lower,
* up and a pure upper inode.
*/
if (ovl_can_decode_fh(lower->d_sb)) {
fh = ovl_encode_fh(lower, false);
fh = ovl_encode_real_fh(lower, false);
if (IS_ERR(fh))
return PTR_ERR(fh);
}
@ -321,7 +321,7 @@ static int ovl_set_upper_fh(struct dentry *upper, struct dentry *index)
const struct ovl_fh *fh;
int err;
fh = ovl_encode_fh(upper, true);
fh = ovl_encode_real_fh(upper, true);
if (IS_ERR(fh))
return PTR_ERR(fh);

12
fs/overlayfs/export.c
View File

@ -228,8 +228,8 @@ static int ovl_d_to_fh(struct dentry *dentry, char *buf, int buflen)
goto fail;
/* Encode an upper or lower file handle */
fh = ovl_encode_fh(enc_lower ? ovl_dentry_lower(dentry) :
ovl_dentry_upper(dentry), !enc_lower);
fh = ovl_encode_real_fh(enc_lower ? ovl_dentry_lower(dentry) :
ovl_dentry_upper(dentry), !enc_lower);
err = PTR_ERR(fh);
if (IS_ERR(fh))
goto fail;
@ -267,8 +267,8 @@ static int ovl_dentry_to_fh(struct dentry *dentry, u32 *fid, int *max_len)
return OVL_FILEID;
}
static int ovl_encode_inode_fh(struct inode *inode, u32 *fid, int *max_len,
struct inode *parent)
static int ovl_encode_fh(struct inode *inode, u32 *fid, int *max_len,
struct inode *parent)
{
struct dentry *dentry;
int type;
@ -685,7 +685,7 @@ static struct dentry *ovl_upper_fh_to_d(struct super_block *sb,
if (!ofs->upper_mnt)
return ERR_PTR(-EACCES);
upper = ovl_decode_fh(fh, ofs->upper_mnt);
upper = ovl_decode_real_fh(fh, ofs->upper_mnt);
if (IS_ERR_OR_NULL(upper))
return upper;
@ -829,7 +829,7 @@ static struct dentry *ovl_get_parent(struct dentry *dentry)
}
const struct export_operations ovl_export_operations = {
.encode_fh = ovl_encode_inode_fh,
.encode_fh = ovl_encode_fh,
.fh_to_dentry = ovl_fh_to_dentry,
.fh_to_parent = ovl_fh_to_parent,
.get_name = ovl_get_name,

10
fs/overlayfs/namei.c
View File

@ -180,7 +180,7 @@ invalid:
goto out;
}
struct dentry *ovl_decode_fh(struct ovl_fh *fh, struct vfsmount *mnt)
struct dentry *ovl_decode_real_fh(struct ovl_fh *fh, struct vfsmount *mnt)
{
struct dentry *real;
int bytes;
@ -326,7 +326,7 @@ int ovl_check_origin_fh(struct ovl_fs *ofs, struct ovl_fh *fh,
int i;
for (i = 0; i < ofs->numlower; i++) {
origin = ovl_decode_fh(fh, ofs->lower_layers[i].mnt);
origin = ovl_decode_real_fh(fh, ofs->lower_layers[i].mnt);
if (origin)
break;
}
@ -424,7 +424,7 @@ int ovl_verify_set_fh(struct dentry *dentry, const char *name,
struct ovl_fh *fh;
int err;
fh = ovl_encode_fh(real, is_upper);
fh = ovl_encode_real_fh(real, is_upper);
err = PTR_ERR(fh);
if (IS_ERR(fh))
goto fail;
@ -460,7 +460,7 @@ struct dentry *ovl_index_upper(struct ovl_fs *ofs, struct dentry *index)
if (IS_ERR_OR_NULL(fh))
return ERR_CAST(fh);
upper = ovl_decode_fh(fh, ofs->upper_mnt);
upper = ovl_decode_real_fh(fh, ofs->upper_mnt);
kfree(fh);
if (IS_ERR_OR_NULL(upper))
@ -628,7 +628,7 @@ int ovl_get_index_name(struct dentry *origin, struct qstr *name)
struct ovl_fh *fh;
int err;
fh = ovl_encode_fh(origin, false);
fh = ovl_encode_real_fh(origin, false);
if (IS_ERR(fh))
return PTR_ERR(fh);

4
fs/overlayfs/overlayfs.h
View File

@ -266,7 +266,7 @@ static inline bool ovl_is_impuredir(struct dentry *dentry)
/* namei.c */
int ovl_check_fh_len(struct ovl_fh *fh, int fh_len);
struct dentry *ovl_decode_fh(struct ovl_fh *fh, struct vfsmount *mnt);
struct dentry *ovl_decode_real_fh(struct ovl_fh *fh, struct vfsmount *mnt);
int ovl_check_origin_fh(struct ovl_fs *ofs, struct ovl_fh *fh,
struct dentry *upperdentry, struct ovl_path **stackp);
int ovl_verify_set_fh(struct dentry *dentry, const char *name,
@ -361,7 +361,7 @@ int ovl_copy_up(struct dentry *dentry);
int ovl_copy_up_flags(struct dentry *dentry, int flags);
int ovl_copy_xattr(struct dentry *old, struct dentry *new);
int ovl_set_attr(struct dentry *upper, struct kstat *stat);
struct ovl_fh *ovl_encode_fh(struct dentry *real, bool is_upper);
struct ovl_fh *ovl_encode_real_fh(struct dentry *real, bool is_upper);
int ovl_set_origin(struct dentry *dentry, struct dentry *lower,
struct dentry *upper);