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common-utils: gf_log2 handles 0 input

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Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 583 (filesystem access hangs while deleting large files)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=583
This commit is contained in:
Anand Avati 2010-02-22 10:59:40 +00:00 committed by Anand V. Avati
parent 2a78ca786d
commit 5f524f4b2f
3 changed files with 4 additions and 4 deletions
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4
libglusterfs/src/common-utils.c
View File

@ -58,11 +58,11 @@ struct dnscache6 {
int
gf_log2 (unsigned long x)
log_base2 (unsigned long x)
{
int val = 0;
while (x != 1) {
while (x > 1) {
x /= 2;
val++;
}

2
libglusterfs/src/common-utils.h
View File

@ -332,7 +332,7 @@ int gf_lockfd (int fd);
int gf_unlockfd (int fd);
int get_checksum_for_file (int fd, uint32_t *checksum);
int gf_log2 (unsigned long x);
int log_base2 (unsigned long x);
#endif /* _COMMON_UTILS_H */

2
xlators/performance/io-cache/src/io-cache.c
View File

@ -1462,7 +1462,7 @@ init (xlator_t *this)
ret = 0;
ctx = this->ctx;
ioc_log2_page_size = gf_log2 (ctx->page_size);
ioc_log2_page_size = log_base2 (ctx->page_size);
out:
if (ret == -1) {