From: Tomohiro Kusumi <tkusumi@xxxxxxxxxx>
offset/length is used only for posix_fadvise(2), and each invalidation
method has its own meaning, so use different messages for them.
Signed-off-by: Tomohiro Kusumi <tkusumi@xxxxxxxxxx>
---
filesetup.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/filesetup.c b/filesetup.c
index 4d0b127..085d0c8 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -442,20 +442,22 @@ static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f,
if (len == -1ULL || off == -1ULL)
return 0;
- dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off,
- len);
-
if (td->io_ops->invalidate) {
+ dprint(FD_IO, "invalidate %s cache %s\n", td->io_ops->name,
+ f->file_name);
ret = td->io_ops->invalidate(td, f);
if (ret < 0)
errval = ret;
} else if (f->filetype == FIO_TYPE_FILE) {
+ dprint(FD_IO, "declare unneeded cache %s: %llu/%llu\n",
+ f->file_name, off, len);
ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED);
if (ret)
errval = ret;
} else if (f->filetype == FIO_TYPE_BLOCK) {
int retry_count = 0;
+ dprint(FD_IO, "drop page cache %s\n", f->file_name);
ret = blockdev_invalidate_cache(f);
while (ret < 0 && errno == EAGAIN && retry_count++ < 25) {
/*
@@ -477,8 +479,11 @@ static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f,
}
if (ret < 0)
errval = errno;
- } else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE)
+ } else if (f->filetype == FIO_TYPE_CHAR ||
+ f->filetype == FIO_TYPE_PIPE) {
+ dprint(FD_IO, "invalidate not supported %s\n", f->file_name);
ret = 0;
+ }
/*
* Cache flushing isn't a fatal condition, and we know it will
--
2.9.3
--
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