From mboxrd@z Thu Jan 1 00:00:00 1970 From: vignesh babu Date: Thu, 14 Jun 2007 08:21:42 +0000 Subject: [KJ] [PATCH]is_power_of_2-xfs/xfs_inode.c Message-Id: <1181808583.2474.12.camel@merlin.linuxcoe.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kernel-janitors@vger.kernel.org Replacing (n & (n-1)) in the context of power of 2 checks with is_power_of_2 Signed-off-by: vignesh babu --- diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 3ca5d43..8fdd30d 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -49,6 +49,7 @@ #include "xfs_quota.h" #include "xfs_acl.h" +#include kmem_zone_t *xfs_ifork_zone; kmem_zone_t *xfs_inode_zone; @@ -4184,7 +4185,7 @@ xfs_iext_realloc_direct( ifp->if_bytes = new_size; return; } - if ((new_size & (new_size - 1)) != 0) { + if (!is_power_of_2(new_size)){ rnew_size = xfs_iroundup(new_size); } if (rnew_size != ifp->if_real_bytes) { @@ -4207,7 +4208,7 @@ xfs_iext_realloc_direct( */ else { new_size += ifp->if_bytes; - if ((new_size & (new_size - 1)) != 0) { + if (!is_power_of_2(new_size)) { rnew_size = xfs_iroundup(new_size); } xfs_iext_inline_to_direct(ifp, rnew_size); -- Vignesh Babu BM _____________________________________________________________ "Why is it that every time I'm with you, makes me believe in magic?" _______________________________________________ Kernel-janitors mailing list Kernel-janitors@lists.linux-foundation.org https://lists.linux-foundation.org/mailman/listinfo/kernel-janitors