The vector feature of xfs_io uses its own memory buffer in the iov structure
and does not use the buffer entry. Remove the duplicate memalign.
v2: removed global buffer in __dump_buffer() and use passed buf pointer per
Ben's detection.
Signed-off-by: Mark Tinguely <tinguely@xxxxxxx>
Reviewed-by: Ben Myers <bpm@xxxxxxx>
---
io/pread.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
Index: b/io/pread.c
===================================================================
--- a/io/pread.c
+++ b/io/pread.c
@@ -76,8 +76,7 @@ alloc_iovec(
buffersize = 0;
for (i = 0; i < vectors; i++) {
iov[i].iov_base = memalign(pagesize, bsize);
- buffer = memalign(pagesize, bsize);
- if (!buffer) {
+ if (!iov[i].iov_base) {
perror("memalign");
goto unwind;
}
@@ -130,7 +129,7 @@ __dump_buffer(
int i, j;
char *p;
- for (i = 0, p = (char *)buffer; i < len; i += 16) {
+ for (i = 0, p = (char *)buf; i < len; i += 16) {
char *s = p;
printf("%08llx: ", (unsigned long long)offset + i);
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