I believe that this if the likely source of this patch:
http://article.gmane.org/gmane.comp.file-systems.btrfs/4547
I do wonder how much this is still applicable. However, it has been in
the btrfs-progs package for Fedora 15, 16, 17, and 18 plus likely some
versions of RHEL.
On 01/19/2013 01:06 PM, Gene Czarcinski wrote:
Signed-off-by: Gene Czarcinski <gene@xxxxxxxxx>
---
btrfsck.c | 2 ++
mkfs.c | 4 ++--
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/btrfsck.c b/btrfsck.c
index a851008..6274ff7 100644
--- a/btrfsck.c
+++ b/btrfsck.c
@@ -22,7 +22,9 @@
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
+#include <sys/types.h>
#include <sys/stat.h>
+#include <unistd.h>
#include <getopt.h>
#include "kerncompat.h"
#include "ctree.h"
diff --git a/mkfs.c b/mkfs.c
index fbf8319..d123d5f 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -1206,7 +1206,7 @@ int main(int ac, char **av)
u64 alloc_start = 0;
u64 metadata_profile = 0;
u64 data_profile = 0;
- u32 leafsize = getpagesize();
+ u32 leafsize = sysconf(_SC_PAGESIZE);
u32 sectorsize = 4096;
u32 nodesize = leafsize;
u32 stripesize = 4096;
@@ -1282,7 +1282,7 @@ int main(int ac, char **av)
print_usage();
}
}
- sectorsize = max(sectorsize, (u32)getpagesize());
+ sectorsize = max(sectorsize, (u32)sysconf(_SC_PAGESIZE));
if (check_leaf_or_node_size(leafsize, sectorsize))
exit(1);
if (check_leaf_or_node_size(nodesize, sectorsize))
--
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