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| author | Steve French <sfrench@us.ibm.com> | 2008-01-09 16:21:36 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2008-01-09 16:21:36 +0000 |
| commit | 6103335de8afa5d780dcd512abe85c696af7b040 (patch) | |
| tree | 92940053ea0bef4b5c821ed84aa265c496724391 /fs/cifs | |
| parent | f6d09982197c4163c70f6af0cf15bb78674105c0 (diff) | |
| download | blackbird-op-linux-6103335de8afa5d780dcd512abe85c696af7b040.tar.gz blackbird-op-linux-6103335de8afa5d780dcd512abe85c696af7b040.zip | |
[CIFS] DNS name resolution helper upcall for cifs
Adds additional option CIFS_DFS_UPCALL to fs/Kconfig for enabling
DFS support. Resolved IP address is saved as a string in the
key payload.
Igor has a series of related patches that will follow which finish up
CIFS DFS support
Acked-by: Igor Mammedov <niallain@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/Makefile | 2 | ||||
| -rw-r--r-- | fs/cifs/cifsfs.c | 15 |
2 files changed, 16 insertions, 1 deletions
diff --git a/fs/cifs/Makefile b/fs/cifs/Makefile index 45e42fb97c19..09898b8dc69b 100644 --- a/fs/cifs/Makefile +++ b/fs/cifs/Makefile @@ -9,3 +9,5 @@ cifs-y := cifsfs.o cifssmb.o cifs_debug.o connect.o dir.o file.o inode.o \ readdir.o ioctl.o sess.o export.o cifsacl.o cifs-$(CONFIG_CIFS_UPCALL) += cifs_spnego.o + +cifs-$(CONFIG_CIFS_DFS_UPCALL) += dns_resolve.o diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 093beaa3900d..000b4a5d3219 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -44,6 +44,7 @@ #include "cifs_fs_sb.h" #include <linux/mm.h> #include <linux/key-type.h> +#include "dns_resolve.h" #include "cifs_spnego.h" #define CIFS_MAGIC_NUMBER 0xFF534D42 /* the first four bytes of SMB PDUs */ @@ -1015,11 +1016,16 @@ init_cifs(void) if (rc) goto out_unregister_filesystem; #endif +#ifdef CONFIG_CIFS_DFS_UPCALL + rc = register_key_type(&key_type_dns_resolver); + if (rc) + goto out_unregister_key_type; +#endif oplockThread = kthread_run(cifs_oplock_thread, NULL, "cifsoplockd"); if (IS_ERR(oplockThread)) { rc = PTR_ERR(oplockThread); cERROR(1, ("error %d create oplock thread", rc)); - goto out_unregister_key_type; + goto out_unregister_dfs_key_type; } dnotifyThread = kthread_run(cifs_dnotify_thread, NULL, "cifsdnotifyd"); @@ -1033,7 +1039,11 @@ init_cifs(void) out_stop_oplock_thread: kthread_stop(oplockThread); + out_unregister_dfs_key_type: +#ifdef CONFIG_CIFS_DFS_UPCALL + unregister_key_type(&key_type_dns_resolver); out_unregister_key_type: +#endif #ifdef CONFIG_CIFS_UPCALL unregister_key_type(&cifs_spnego_key_type); out_unregister_filesystem: @@ -1059,6 +1069,9 @@ exit_cifs(void) #ifdef CONFIG_PROC_FS cifs_proc_clean(); #endif +#ifdef CONFIG_CIFS_DFS_UPCALL + unregister_key_type(&key_type_dns_resolver); +#endif #ifdef CONFIG_CIFS_UPCALL unregister_key_type(&cifs_spnego_key_type); #endif |
