File 0104-Ignore-the-error-ENXIO-and-ENOMEDIUM-durin... of Package btrfsprogs

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File 0104-Ignore-the-error-ENXIO-and-ENOMEDIUM-during-a-devs-s.patch of Package btrfsprogs

From da911929cf232b81a4e2dcffbb26dc3cc6f222af Mon Sep 17 00:00:00 2001
From: Goffredo Baroncelli <kreijack@inwind.it>
Date: Fri, 21 Oct 2011 19:00:28 +0200
Subject: [PATCH 05/35] Ignore the error ENXIO and ENOMEDIUM during a devs
 scan

Ignore the error ENXIO (device don't exists) and ENOMEDIUM (
No medium found -> like a cd tray empty) in the function
btrfs_scan_one_dir.
This avoids spurios errors due to an empty CD or a block device node
without a device (which is frequent in a static /dev).

Signed-off-by: Goffredo Baroncelli <kreijack@inwind.it>
---
 utils.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/utils.c b/utils.c
index 178d1b9..1c27e14 100644
--- a/utils.c
+++ b/utils.c
@@ -1003,8 +1003,14 @@ again:
 		}
 		fd = open(fullpath, O_RDONLY);
 		if (fd < 0) {
-			fprintf(stderr, "failed to read %s: %s\n", fullpath,
-					strerror(errno));
+			/* ignore the following errors:
+				ENXIO (device don't exists) 
+				ENOMEDIUM (No medium found -> 
+					like a cd tray empty)
+			*/
+			if(errno != ENXIO && errno != ENOMEDIUM) 
+				fprintf(stderr, "failed to read %s: %s\n", 
+					fullpath, strerror(errno));
 			continue;
 		}
 		ret = btrfs_scan_one_device(fd, fullpath, &tmp_devices,
-- 
1.7.6.233.gd79bc

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File 0104-Ignore-the-error-ENXIO-and-ENOMEDIUM-during-a-devs-s.patch of Package btrfsprogs

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