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authorRichard W.M. Jones <rjones@redhat.com>2012-04-02 08:46:23 +0100
committerRichard W.M. Jones <rjones@redhat.com>2012-04-02 13:44:27 +0100
commita2ba1c4f242cdaa5a1b685f0d02012b96b6103a7 (patch)
tree9e76ff70c9bde9f9d8f96ac5b2e9da710f2ccbb0
parent4885c2ccb5a4dda71608574acce155798e23aee6 (diff)
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mkfs: Don't allow blocksize to be set on btrfs (RHBZ#807905).
(cherry picked from commit 77ac6b73cde017452d48d53aaf6fa755502b05d5)
-rw-r--r--daemon/mkfs.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/daemon/mkfs.c b/daemon/mkfs.c
index 5475582d..492b6908 100644
--- a/daemon/mkfs.c
+++ b/daemon/mkfs.c
@@ -133,6 +133,11 @@ do_mkfs_opts (const char *fstype, const char *device, int blocksize,
ADD_ARG (argv, i, "-c");
ADD_ARG (argv, i, blocksize_str);
}
+ else if (STREQ (fstype, "btrfs")) {
+ /* For btrfs, blocksize cannot be specified (RHBZ#807905). */
+ reply_with_error ("blocksize cannot be set on btrfs filesystems");
+ return -1;
+ }
else {
/* For all other filesystem types, try the -b option. */
snprintf (blocksize_str, sizeof blocksize_str, "%d", blocksize);