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block: Allow devices to indicate whether discarded blocks are zeroed
[GitHub/MotorolaMobilityLLC/kernel-slsi.git]
/
include
/
linux
/
fs.h
diff --git
a/include/linux/fs.h
b/include/linux/fs.h
index 79cea805173682e2d750b0b1722b9f86fa6cbfe6..891f7d642e5c6789cb05853137a8caa58a21c2c6 100644
(file)
--- a/
include/linux/fs.h
+++ b/
include/linux/fs.h
@@
-304,6
+304,7
@@
struct inodes_stat_t {
#define BLKIOOPT _IO(0x12,121)
#define BLKALIGNOFF _IO(0x12,122)
#define BLKPBSZGET _IO(0x12,123)
+#define BLKDISCARDZEROES _IO(0x12,124)
#define BMAP_IOCTL 1 /* obsolete - kept for compatibility */
#define FIBMAP _IO(0x00,1) /* bmap access */