From: wangdi <wangdi>
Date: Tue, 6 Jul 2004 15:07:31 +0000 (+0000)
Subject: some minor fix for snapfs
X-Git-Tag: 1.3.4~629
X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=5e610513fd1a6928fa5519da2e4e782eb26c405c;p=fs%2Flustre-release.git

some minor fix for snapfs
1) add IOC_OBD_SNAP_ADD
3) mirror s_flags in sb for P_DIROPS
---

diff --git a/lustre/include/linux/lustre_lib.h b/lustre/include/linux/lustre_lib.h
index 968a310..f354ecb 100644
--- a/lustre/include/linux/lustre_lib.h
+++ b/lustre/include/linux/lustre_lib.h
@@ -471,6 +471,9 @@ static inline void obd_ioctl_freedata(char *buf, int len)
 #define OBD_IOC_COBD_CON               _IOWR('f', 220, long)
 #define OBD_IOC_COBD_COFF              _IOWR('f', 221, long)
 #define OBD_IOC_COBD_CFLUSH            _IOWR('f', 222, long)
+
+#define OBD_IOC_SNAP_ADD               _IOWR('f', 230, long)
+
 /* XXX _IOWR('f', 250, long) has been defined in
  * portals/include/linux/kp30.h for debug, don't use it
  */
diff --git a/lustre/include/linux/lustre_smfs.h b/lustre/include/linux/lustre_smfs.h
index 68cf9e2..77949c7 100644
--- a/lustre/include/linux/lustre_smfs.h
+++ b/lustre/include/linux/lustre_smfs.h
@@ -339,6 +339,7 @@ static inline void duplicate_sb(struct super_block *dst_sb,
         dst_sb->s_magic = src_sb->s_magic;
         dst_sb->s_blocksize_bits = src_sb->s_blocksize_bits;
         dst_sb->s_maxbytes = src_sb->s_maxbytes;
+        dst_sb->s_flags = src_sb->s_flags;
 }
 
 static inline void d_unalloc(struct dentry *dentry)
diff --git a/lustre/lvfs/fsfilt_smfs.c b/lustre/lvfs/fsfilt_smfs.c
index f3f4675..98f1383 100644
--- a/lustre/lvfs/fsfilt_smfs.c
+++ b/lustre/lvfs/fsfilt_smfs.c
@@ -675,6 +675,9 @@ static int fsfilt_smfs_setup(struct obd_device *obd, struct super_block *sb)
         csb = S2CSB(sb);
         if (cache_fsfilt->fs_setup) 
                 rc = cache_fsfilt->fs_setup(obd, csb);
+        
+        duplicate_sb(sb, csb);
+        
         RETURN(rc);
 }
 
diff --git a/lustre/utils/obdctl.h b/lustre/utils/obdctl.h
index 31ed6d8..3004651 100644
--- a/lustre/utils/obdctl.h
+++ b/lustre/utils/obdctl.h
@@ -90,6 +90,7 @@ int jt_llog_check(int argc, char **argv);
 int jt_obd_reint_sync(int argc, char **argv);
 int jt_obd_cache_on(int argc, char **argv);
 int jt_obd_cache_off(int argc, char **argv);
+int jt_obd_snap_add(int argc, char **argv);
 
 int lcfg_ioctl(char * func, int dev_id, struct lustre_cfg *lcfg);
 int parse_devname(char *func, char *name);