diff options
author | Steve Dickson <steved@redhat.com> | 2013-05-22 12:50:40 -0400 |
---|---|---|
committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-06-08 16:20:14 -0400 |
commit | e058f70b8070608fedfd3e39c2ead935beecb552 (patch) | |
tree | 7edaeed13f64d0218d8541321e2a6c780ee59986 /include/linux | |
parent | e64a4210f69010d0ff349d5889b50fed51f8bdd0 (diff) | |
download | op-kernel-dev-e058f70b8070608fedfd3e39c2ead935beecb552.zip op-kernel-dev-e058f70b8070608fedfd3e39c2ead935beecb552.tar.gz |
NFSv4: Introduce new label structure
In order to mimic the way that NFSv4 ACLs are implemented we have created a
structure to be used to pass label data up and down the call chain. This patch
adds the new structure and new members to the required NFSv4 call structures.
Signed-off-by: Matthew N. Dodd <Matthew.Dodd@sparta.com>
Signed-off-by: Miguel Rodel Felipe <Rodel_FM@dsi.a-star.edu.sg>
Signed-off-by: Phua Eu Gene <PHUA_Eu_Gene@dsi.a-star.edu.sg>
Signed-off-by: Khin Mi Mi Aung <Mi_Mi_AUNG@dsi.a-star.edu.sg>
Signed-off-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/nfs4.h | 9 | ||||
-rw-r--r-- | include/linux/nfs_fs.h | 18 | ||||
-rw-r--r-- | include/linux/nfs_xdr.h | 10 |
3 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index 4204600..e36dee5 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -32,6 +32,15 @@ struct nfs4_acl { struct nfs4_ace aces[0]; }; +#define NFS4_MAXLABELLEN 2048 + +struct nfs4_label { + uint32_t lfs; + uint32_t pi; + u32 len; + char *label; +}; + typedef struct { char data[NFS4_VERIFIER_SIZE]; } nfs4_verifier; struct nfs_stateid4 { diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index fc01d5c..39b2404 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -497,6 +497,24 @@ extern int nfs_mountpoint_expiry_timeout; extern void nfs_release_automount_timer(void); /* + * linux/fs/nfs/nfs4proc.c + */ +#ifdef CONFIG_NFS_V4_SECURITY_LABEL +extern struct nfs4_label *nfs4_label_alloc(struct nfs_server *server, gfp_t flags); +static inline void nfs4_label_free(struct nfs4_label *label) +{ + if (label) { + kfree(label->label); + kfree(label); + } + return; +} +#else +static inline struct nfs4_label *nfs4_label_alloc(struct nfs_server *server, gfp_t flags) { return NULL; } +static inline void nfs4_label_free(void *label) {} +#endif + +/* * linux/fs/nfs/unlink.c */ extern void nfs_complete_unlink(struct dentry *dentry, struct inode *); diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index bfdf6e0..d799b9f 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -349,6 +349,7 @@ struct nfs_openargs { const u32 * open_bitmap; __u32 claim; enum createmode4 createmode; + const struct nfs4_label *label; }; struct nfs_openres { @@ -358,6 +359,7 @@ struct nfs_openres { struct nfs4_change_info cinfo; __u32 rflags; struct nfs_fattr * f_attr; + struct nfs4_label *f_label; struct nfs_seqid * seqid; const struct nfs_server *server; fmode_t delegation_type; @@ -600,6 +602,7 @@ struct nfs_entry { int eof; struct nfs_fh * fh; struct nfs_fattr * fattr; + struct nfs4_label *label; unsigned char d_type; struct nfs_server * server; }; @@ -632,6 +635,7 @@ struct nfs_setattrargs { struct iattr * iap; const struct nfs_server * server; /* Needed for name mapping */ const u32 * bitmask; + const struct nfs4_label *label; }; struct nfs_setaclargs { @@ -667,6 +671,7 @@ struct nfs_getaclres { struct nfs_setattrres { struct nfs4_sequence_res seq_res; struct nfs_fattr * fattr; + struct nfs4_label *label; const struct nfs_server * server; }; @@ -864,6 +869,7 @@ struct nfs4_create_arg { const struct iattr * attrs; const struct nfs_fh * dir_fh; const u32 * bitmask; + const struct nfs4_label *label; }; struct nfs4_create_res { @@ -871,6 +877,7 @@ struct nfs4_create_res { const struct nfs_server * server; struct nfs_fh * fh; struct nfs_fattr * fattr; + struct nfs4_label *label; struct nfs4_change_info dir_cinfo; }; @@ -895,6 +902,7 @@ struct nfs4_getattr_res { struct nfs4_sequence_res seq_res; const struct nfs_server * server; struct nfs_fattr * fattr; + struct nfs4_label *label; }; struct nfs4_link_arg { @@ -909,6 +917,7 @@ struct nfs4_link_res { struct nfs4_sequence_res seq_res; const struct nfs_server * server; struct nfs_fattr * fattr; + struct nfs4_label *label; struct nfs4_change_info cinfo; struct nfs_fattr * dir_attr; }; @@ -926,6 +935,7 @@ struct nfs4_lookup_res { const struct nfs_server * server; struct nfs_fattr * fattr; struct nfs_fh * fh; + struct nfs4_label *label; }; struct nfs4_lookup_root_arg { |