From: Zhang Yi <yi.zhang@xxxxxxxxxx>
Add fstress to suppoet fallocate FALLOC_FL_WRITE_ZEROES command by
introducing OP_WZERO operation.
Signed-off-by: Zhang Yi <yi.zhang@xxxxxxxxxx>
---
ltp/fsstress.c | 12 ++++++++++++
src/global.h | 4 ++++
2 files changed, 16 insertions(+)
diff --git a/ltp/fsstress.c b/ltp/fsstress.c
index 3d248ee2..ed2a54ab 100644
--- a/ltp/fsstress.c
+++ b/ltp/fsstress.c
@@ -114,6 +114,7 @@ typedef enum {
OP_MWRITE,
OP_PUNCH,
OP_ZERO,
+ OP_WZERO,
OP_COLLAPSE,
OP_INSERT,
OP_READ,
@@ -245,6 +246,7 @@ void mread_f(opnum_t, long);
void mwrite_f(opnum_t, long);
void punch_f(opnum_t, long);
void zero_f(opnum_t, long);
+void wzero_f(opnum_t, long);
void collapse_f(opnum_t, long);
void insert_f(opnum_t, long);
void unshare_f(opnum_t, long);
@@ -312,6 +314,7 @@ struct opdesc ops[OP_LAST] = {
[OP_MWRITE] = {"mwrite", mwrite_f, 2, 1 },
[OP_PUNCH] = {"punch", punch_f, 1, 1 },
[OP_ZERO] = {"zero", zero_f, 1, 1 },
+ [OP_WZERO] = {"wzero", wzero_f, 1, 1 },
[OP_COLLAPSE] = {"collapse", collapse_f, 1, 1 },
[OP_INSERT] = {"insert", insert_f, 1, 1 },
[OP_READ] = {"read", read_f, 1, 0 },
@@ -3758,6 +3761,7 @@ struct print_flags falloc_flags [] = {
{ FALLOC_FL_NO_HIDE_STALE, "NO_HIDE_STALE"},
{ FALLOC_FL_COLLAPSE_RANGE, "COLLAPSE_RANGE"},
{ FALLOC_FL_ZERO_RANGE, "ZERO_RANGE"},
+ { FALLOC_FL_WRITE_ZEROES, "WRITE_ZEROES"},
{ FALLOC_FL_INSERT_RANGE, "INSERT_RANGE"},
{ FALLOC_FL_UNSHARE_RANGE, "UNSHARE_RANGE"},
{ -1, NULL}
@@ -4446,6 +4450,14 @@ zero_f(opnum_t opno, long r)
#endif
}
+void
+wzero_f(opnum_t opno, long r)
+{
+#ifdef HAVE_LINUX_FALLOC_H
+ do_fallocate(opno, r, FALLOC_FL_WRITE_ZEROES);
+#endif
+}
+
void
collapse_f(opnum_t opno, long r)
{
diff --git a/src/global.h b/src/global.h
index fbc0a0b5..6b1e30c9 100644
--- a/src/global.h
+++ b/src/global.h
@@ -175,6 +175,10 @@
#define FALLOC_FL_ZERO_RANGE 0x10
#endif
+#ifndef FALLOC_FL_WRITE_ZEROES
+#define FALLOC_FL_WRITE_ZEROES 0x80
+#endif
+
#ifndef FALLOC_FL_INSERT_RANGE
#define FALLOC_FL_INSERT_RANGE 0x20
#endif
--
2.46.1
