PKGBUILDs/core/nfs-utils/18-dont-use-PAGE_SIZE.patch

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2012-02-16 01:34:17 +00:00
PAGE_SIZE is not exported by all architectures as it is not fixed: it can depend on the model of the machine. So it's better to query the system configuration for the actual page size on the machine.
---
utils/blkmapd/device-process.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/utils/blkmapd/device-process.c b/utils/blkmapd/device-process.c
index 27ff374..652a7a8 100644
--- a/utils/blkmapd/device-process.c
+++ b/utils/blkmapd/device-process.c
@@ -296,7 +296,7 @@ decode_blk_volume(uint32_t **pp, uint32_t *end, struct bl_volume *vols, int voln
off_t stripe_unit = vol->param.bv_stripe_unit;
/* Check limitations imposed by device-mapper */
if ((stripe_unit & (stripe_unit - 1)) != 0
- || stripe_unit < (off_t) (PAGE_SIZE >> 9))
+ || stripe_unit < (off_t) (sysconf(_SC_PAGE_SIZE) >> 9))
return -EIO;
BLK_READBUF(p, end, 4);
READ32(vol->bv_vol_n);