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-rw-r--r--fs/gfs2/rgrp.c5
-rw-r--r--include/uapi/linux/gfs2_ondisk.h3
2 files changed, 7 insertions, 1 deletions
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index a9184903a9f5..e8aba6fa1472 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -34,6 +34,7 @@
#include "log.h"
#include "inode.h"
#include "trace_gfs2.h"
+#include "dir.h"
#define BFITNOENT ((u32)~0)
#define NO_BLOCK ((u64)~0)
@@ -1047,6 +1048,7 @@ static void gfs2_rgrp_out(struct gfs2_rgrpd *rgd, void *buf)
{
struct gfs2_rgrpd *next = gfs2_rgrpd_get_next(rgd);
struct gfs2_rgrp *str = buf;
+ u32 crc;
str->rg_flags = cpu_to_be32(rgd->rd_flags & ~GFS2_RDF_MASK);
str->rg_free = cpu_to_be32(rgd->rd_free);
@@ -1059,6 +1061,9 @@ static void gfs2_rgrp_out(struct gfs2_rgrpd *rgd, void *buf)
str->rg_data0 = cpu_to_be64(rgd->rd_data0);
str->rg_data = cpu_to_be32(rgd->rd_data);
str->rg_bitbytes = cpu_to_be32(rgd->rd_bitbytes);
+ str->rg_crc = 0;
+ crc = gfs2_disk_hash(buf, sizeof(struct gfs2_rgrp));
+ str->rg_crc = cpu_to_be32(crc);
memset(&str->rg_reserved, 0, sizeof(str->rg_reserved));
}
diff --git a/include/uapi/linux/gfs2_ondisk.h b/include/uapi/linux/gfs2_ondisk.h
index 648e0cbca574..09f0920f07e9 100644
--- a/include/uapi/linux/gfs2_ondisk.h
+++ b/include/uapi/linux/gfs2_ondisk.h
@@ -197,8 +197,9 @@ struct gfs2_rgrp {
__be64 rg_data0; /* First data location */
__be32 rg_data; /* Number of data blocks in rgrp */
__be32 rg_bitbytes; /* Number of bytes in data bitmaps */
+ __be32 rg_crc; /* crc32 of the structure with this field 0 */
- __u8 rg_reserved[64]; /* Several fields from gfs1 now reserved */
+ __u8 rg_reserved[60]; /* Several fields from gfs1 now reserved */
};
/*