From: Patrick Farrell <pfarrell@whamcloud.com>
Date: Mon, 11 Dec 2023 15:49:19 +0000 (-0500)
Subject: EX-7601 ofd: improve decompress_rnb debug
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=592582fb5716cefb37d1333c518aeeb91e8e57d1;p=fs%2Flustre-release.git

EX-7601 ofd: improve decompress_rnb debug

Since we're very close on landing the unaligned read
patches, this minor debug improvement is being placed later
in the series.

Test-Parameters: trivial
Signed-off-by: Patrick Farrell <pfarrell@whamcloud.com>
Change-Id: I36ad243bd1f7025e358f9593f1008f0b851cc1bb
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/53411
Reviewed-by: Artem Blagodarenko <ablagodarenko@ddn.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
---

diff --git a/lustre/ofd/ofd_compress.c b/lustre/ofd/ofd_compress.c
index 0ead012..c1e019e 100644
--- a/lustre/ofd/ofd_compress.c
+++ b/lustre/ofd/ofd_compress.c
@@ -145,8 +145,9 @@ int decompress_rnb(const char *obd_name, struct niobuf_local *lnbs,
 	LASSERT(*lnb_start < lnb_npages);
 
 	CDEBUG(D_SEC,
-	       "rnb_start %llu, rnb_end %llu, lnb_start %d, chunk_size %d\n",
-	       rnb_start, rnb_end, *lnb_start, chunk_size);
+	       "rnb_start %llu, rnb_end %llu, lnb_start %d (at offset %llu), chunk_size %d\n",
+	       rnb_start, rnb_end, *lnb_start, lnbs[*lnb_start].lnb_file_offset,
+	       chunk_size);
 
 	/* if the start of the read is not chunk aligned, we find the start of
 	 * the lnbs for that chunk and decompress it
@@ -164,9 +165,9 @@ int decompress_rnb(const char *obd_name, struct niobuf_local *lnbs,
 		}
 
 		CDEBUG(D_SEC,
-		       "leading chunk lnb %d lnb file offset %llu, chunk start %llu, chunk end %llu\n",
-		       i, lnb ? lnb->lnb_file_offset : 0, chunk_start,
-		       chunk_end);
+		       "leading chunk%s lnb %d lnb file offset %llu, chunk start %llu, chunk end %llu\n",
+		       chunk_found ? "" : "not found", i,
+		       lnb ? lnb->lnb_file_offset : 0, chunk_start, chunk_end);
 
 		if (!chunk_found)
 			RETURN(-EINVAL);
@@ -204,9 +205,9 @@ int decompress_rnb(const char *obd_name, struct niobuf_local *lnbs,
 		}
 
 		CDEBUG(D_SEC,
-		       "trailing chunk lnb %d lnb file offset %llu, chunk start %llu, chunk end %llu\n",
-		       i, lnb ? lnb->lnb_file_offset : 0, chunk_start,
-		       chunk_end);
+		       "trailing chunk%s lnb %d lnb file offset %llu, chunk start %llu, chunk end %llu\n",
+		       chunk_found ? "" : "not found", i,
+		       lnb ? lnb->lnb_file_offset : 0, chunk_start, chunk_end);
 
 		if (!chunk_found)
 			RETURN(-EINVAL);