mkfs: set BLKDISCARD by default
And let's show some debug info as well.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/mkfs/Makefile.am b/mkfs/Makefile.am
index 68cab66..ff136a7 100644
--- a/mkfs/Makefile.am
+++ b/mkfs/Makefile.am
@@ -1,7 +1,7 @@
## Makefile.am
AM_CPPFLAGS = ${libuuid_CFLAGS} -I$(top_srcdir)/include
-AM_CFLAGS = -Wall
+AM_CFLAGS = -Wall -DBLKDISCARD
sbin_PROGRAMS = mkfs.f2fs
mkfs_f2fs_SOURCES = f2fs_format_main.c f2fs_format.c f2fs_format_utils.c
mkfs_f2fs_LDADD = ${libuuid_LIBS} $(top_builddir)/lib/libf2fs.la
diff --git a/mkfs/f2fs_format_utils.c b/mkfs/f2fs_format_utils.c
index 5cc2a32..8f7e094 100644
--- a/mkfs/f2fs_format_utils.c
+++ b/mkfs/f2fs_format_utils.c
@@ -36,8 +36,12 @@
if (S_ISREG(stat_buf.st_mode))
return 0;
else if (S_ISBLK(stat_buf.st_mode)) {
- if (ioctl(config.fd, BLKDISCARD, &range) < 0)
+ if (ioctl(config.fd, BLKDISCARD, &range) < 0) {
MSG(0, "Info: This device doesn't support TRIM\n");
+ } else {
+ MSG(0, "Info: Discarded %lu sectors\n",
+ config.total_sectors);
+ }
} else
return -1;
#endif
