Messages in this thread Patch in this message | | | Date | Thu, 4 Nov 2010 15:07:47 -0700 (PDT) | From | André Luis Pereira dos Santos - BSRSoft <> | Subject | [PATCH 1/1] fs: Small refactoring of the code in ext4 2.6.37-rc1 |
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From: Andre Luis Pereira dos Santos <andre@bsrsoft.com.br>
Hi. Small refactoring of the code in order to make minor enhancements to critical areas. The notation x + 1 has been replaced by more efficient notation x + +.
Signed-off-by: Andre Luis Pereira dos Santos <andre@bsrsoft.com.br> --- Signed-off-by: Andre Luis Pereira dos Santos <andre@bsrsoft.com.br> --- linux-2.6.37-rc1/fs/ext4/extents.c 2010-11-01 09:54:12.000000000 -0200 +++ linux-2.6.37-rc1-patched/fs/ext4/extents.c 2010-11-04 19:54:26.000000000 -0200 @@ -555,9 +555,9 @@ ext4_ext_binsearch(struct inode *inode, while (l <= r) { m = l + (r - l) / 2; if (block < le32_to_cpu(m->ee_block)) - r = m - 1; + r = m--; else - l = m + 1; + l = m++; ext_debug("%p(%u):%p(%u):%p(%u) ", l, le32_to_cpu(l->ee_block), m, le32_to_cpu(m->ee_block), r, le32_to_cpu(r->ee_block)); @@ -1557,7 +1557,7 @@ static int ext4_ext_try_to_merge(struct if (ext4_ext_is_uninitialized(ex)) uninitialized = 1; ex->ee_len = cpu_to_le16(ext4_ext_get_actual_len(ex) - + ext4_ext_get_actual_len(ex + 1)); + + ext4_ext_get_actual_len(ex++)); if (uninitialized) ext4_ext_mark_uninitialized(ex);
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