From: Theodore Ts'o <tytso@mit.edu>
Date: Tue, 20 Mar 2018 15:04:27 +0000 (-0400)
Subject: debugfs: read allocation bitmaps more efficiently
X-Git-Tag: v1.44.1~8
X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=6a6393964f045d1d85503f9f4202811bde840875;p=tools%2Fe2fsprogs.git

debugfs: read allocation bitmaps more efficiently

It is more efficient to use ext2fs_read_bitmaps() than to read the
inode and block bitmaps separately, since extra seeks.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
index 398bf72..bd6949e 100644
--- a/debugfs/debugfs.c
+++ b/debugfs/debugfs.c
@@ -193,14 +193,10 @@ try_open_again:
 	if (catastrophic)
 		com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps");
 	else {
-		retval = ext2fs_read_inode_bitmap(current_fs);
+		retval = ext2fs_read_bitmaps(current_fs);
 		if (retval) {
-			com_err(device, retval, "while reading inode bitmap");
-			goto errout;
-		}
-		retval = ext2fs_read_block_bitmap(current_fs);
-		if (retval) {
-			com_err(device, retval, "while reading block bitmap");
+			com_err(device, retval,
+				"while reading allocation bitmaps");
 			goto errout;
 		}
 	}