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| author | NeilBrown <neilb@suse.de> | 2010-09-22 04:55:07 +0200 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2010-09-22 21:33:14 +0200 |
| commit | 1e1405673e4e40a94ed7620553eb440a21040402 (patch) | |
| tree | 2553812b11feeefbf2b68c226f45d52e7a12f5b5 /fs/nfsd/export.c | |
| parent | nfsd: formally deprecate legacy nfsd syscall interface (diff) | |
| download | linux-1e1405673e4e40a94ed7620553eb440a21040402.tar.xz linux-1e1405673e4e40a94ed7620553eb440a21040402.zip | |
nfsd: allow deprecated interface to be compiled out.
Add CONFIG_NFSD_DEPRECATED, default to y.
Only include deprecated interface if this is defined.
This allows distros to remove this interface before the official
removal, and allows developers to test without it.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/export.c')
| -rw-r--r-- | fs/nfsd/export.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index e56827b88fd2..a3c7d0ceb24f 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -28,9 +28,6 @@ typedef struct auth_domain svc_client; typedef struct svc_export svc_export; -static void exp_do_unexport(svc_export *unexp); -static int exp_verify_string(char *cp, int max); - /* * We have two caches. * One maps client+vfsmnt+dentry to export options - the export map @@ -802,6 +799,7 @@ exp_find_key(svc_client *clp, int fsid_type, u32 *fsidv, struct cache_req *reqp) return ek; } +#ifdef CONFIG_NFSD_DEPRECATED static int exp_set_key(svc_client *clp, int fsid_type, u32 *fsidv, struct svc_export *exp) { @@ -852,6 +850,7 @@ exp_get_fsid_key(svc_client *clp, int fsid) return exp_find_key(clp, FSID_NUM, fsidv, NULL); } +#endif static svc_export *exp_get_by_name(svc_client *clp, const struct path *path, struct cache_req *reqp) @@ -893,6 +892,7 @@ static struct svc_export *exp_parent(svc_client *clp, struct path *path) return exp; } +#ifdef CONFIG_NFSD_DEPRECATED /* * Hashtable locking. Write locks are placed only by user processes * wanting to modify export information. @@ -925,6 +925,19 @@ exp_writeunlock(void) { up_write(&hash_sem); } +#else + +/* hash_sem not needed once deprecated interface is removed */ +void exp_readlock(void) {} +static inline void exp_writelock(void){} +void exp_readunlock(void) {} +static inline void exp_writeunlock(void){} + +#endif + +#ifdef CONFIG_NFSD_DEPRECATED +static void exp_do_unexport(svc_export *unexp); +static int exp_verify_string(char *cp, int max); static void exp_fsid_unhash(struct svc_export *exp) { @@ -1147,6 +1160,7 @@ out_unlock: exp_writeunlock(); return err; } +#endif /* CONFIG_NFSD_DEPRECATED */ /* * Obtain the root fh on behalf of a client. @@ -1529,6 +1543,7 @@ const struct seq_operations nfs_exports_op = { .show = e_show, }; +#ifdef CONFIG_NFSD_DEPRECATED /* * Add or modify a client. * Change requests may involve the list of host addresses. The list of @@ -1618,6 +1633,7 @@ exp_verify_string(char *cp, int max) printk(KERN_NOTICE "nfsd: couldn't validate string %s\n", cp); return 0; } +#endif /* CONFIG_NFSD_DEPRECATED */ /* * Initialize the exports module. |