Anand Jain wrote on 2015/10/21 16:45 +0800:
btrfs-convert convert FS with latest default features enabled, and if the kernel is down-rev and does not support a latest feature then mount fails, as expected. This patch disables default features based on the running kernel. Signed-off-by: Anand Jain <anand.j...@oracle.com> --- btrfs-convert.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/btrfs-convert.c b/btrfs-convert.c index cb92020..edec09e 100644 --- a/btrfs-convert.c +++ b/btrfs-convert.c @@ -2890,7 +2890,10 @@ int main(int argc, char *argv[]) int progress = 1; char *file; char fslabel[BTRFS_LABEL_SIZE]; - u64 features = BTRFS_MKFS_DEFAULT_FEATURES; + u64 features; + + features = btrfs_features_allowed_by_kernel(); + features &= BTRFS_MKFS_DEFAULT_FEATURES;
Same with previous patch. Thanks, Qu
while(1) { enum { GETOPT_VAL_NO_PROGRESS = 256 };
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