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-rw-r--r--fs/f2fs/f2fs.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 3b6133c865..6610ff6d7e 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -379,6 +379,12 @@ enum {
MAX_DPOLICY,
};
+enum {
+ DPOLICY_IO_AWARE_DISABLE, /* force to not be aware of IO */
+ DPOLICY_IO_AWARE_ENABLE, /* force to be aware of IO */
+ DPOLICY_IO_AWARE_MAX,
+};
+
struct discard_policy {
int type; /* type of discard */
unsigned int min_interval; /* used for candidates exist */
@@ -411,6 +417,7 @@ struct discard_cmd_control {
unsigned int discard_urgent_util; /* utilization which issue discard proactively */
unsigned int discard_granularity; /* discard granularity */
unsigned int max_ordered_discard; /* maximum discard granularity issued by lba order */
+ unsigned int discard_io_aware; /* io_aware policy */
unsigned int undiscard_blks; /* # of undiscard blocks */
unsigned int next_pos; /* next discard position */
atomic_t issued_discard; /* # of issued discard */