Recent changes (master)

[Jens Axboe <axboe@kernel.dk>]

The following changes since commit a655bbc42903e27775600dc4d359ed8ac9d0992d:

  configure: add --disable-lex (2015-12-01 09:25:08 -0700)

are available in the git repository at:

  git://git.kernel.dk/fio.git master

for you to fetch changes up to 0b139881150f7179688243c224a07b57eedbdfa0:

  posix_fadvise() returns positive error values (2015-12-03 15:08:08 -0700)

----------------------------------------------------------------
Jens Axboe (2):
      filesetup: properly propagate error value from invalidate
      posix_fadvise() returns positive error values

 filesetup.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

---

Diff of recent changes:

diff --git a/filesetup.c b/filesetup.c
index b5628ce..7666754 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -391,7 +391,7 @@ static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f,
 				   unsigned long long off,
 				   unsigned long long len)
 {
-	int ret = 0;
+	int errval = 0, ret = 0;
 
 #ifdef CONFIG_ESX
 	return 0;
@@ -408,11 +408,15 @@ static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f,
 	dprint(FD_IO, "invalidate cache %s: %llu/%llu\n", f->file_name, off,
 								len);
 
-	if (td->io_ops->invalidate)
+	if (td->io_ops->invalidate) {
 		ret = td->io_ops->invalidate(td, f);
-	else if (f->filetype == FIO_TYPE_FILE)
+		if (ret < 0)
+			errval = ret;
+	} else if (f->filetype == FIO_TYPE_FILE) {
 		ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED);
-	else if (f->filetype == FIO_TYPE_BD) {
+		if (ret)
+			errval = ret;
+	} else if (f->filetype == FIO_TYPE_BD) {
 		int retry_count = 0;
 
 		ret = blockdev_invalidate_cache(f);
@@ -434,6 +438,8 @@ static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f,
 			}
 			ret = 0;
 		}
+		if (ret < 0)
+			errval = errno;
 	} else if (f->filetype == FIO_TYPE_CHAR || f->filetype == FIO_TYPE_PIPE)
 		ret = 0;
 
@@ -443,10 +449,8 @@ static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f,
 	 * function to flush eg block device caches. So just warn and
 	 * continue on our way.
 	 */
-	if (ret) {
-		log_info("fio: cache invalidation of %s failed: %s\n", f->file_name, strerror(errno));
-		ret = 0;
-	}
+	if (errval)
+		log_info("fio: cache invalidation of %s failed: %s\n", f->file_name, strerror(errval));
 
 	return 0;