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-rw-r--r--include/linux/falloc.h18
-rw-r--r--include/trace/events/ext4.h1
-rw-r--r--include/uapi/linux/falloc.h1
3 files changed, 13 insertions, 7 deletions
diff --git a/include/linux/falloc.h b/include/linux/falloc.h
index f3f0b97b1675..3f49f3df6af5 100644
--- a/include/linux/falloc.h
+++ b/include/linux/falloc.h
@@ -25,12 +25,18 @@ struct space_resv {
#define FS_IOC_UNRESVSP64 _IOW('X', 43, struct space_resv)
#define FS_IOC_ZERO_RANGE _IOW('X', 57, struct space_resv)
-#define FALLOC_FL_SUPPORTED_MASK (FALLOC_FL_KEEP_SIZE | \
- FALLOC_FL_PUNCH_HOLE | \
- FALLOC_FL_COLLAPSE_RANGE | \
- FALLOC_FL_ZERO_RANGE | \
- FALLOC_FL_INSERT_RANGE | \
- FALLOC_FL_UNSHARE_RANGE)
+/*
+ * Mask of all supported fallocate modes. Only one can be set at a time.
+ *
+ * In addition to the mode bit, the mode argument can also encode flags.
+ * FALLOC_FL_KEEP_SIZE is the only supported flag so far.
+ */
+#define FALLOC_FL_MODE_MASK (FALLOC_FL_ALLOCATE_RANGE | \
+ FALLOC_FL_PUNCH_HOLE | \
+ FALLOC_FL_COLLAPSE_RANGE | \
+ FALLOC_FL_ZERO_RANGE | \
+ FALLOC_FL_INSERT_RANGE | \
+ FALLOC_FL_UNSHARE_RANGE)
/* on ia32 l_start is on a 32-bit boundary */
#if defined(CONFIG_X86_64)
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index cc5e9b7b2b44..156908641e68 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -91,7 +91,6 @@ TRACE_DEFINE_ENUM(ES_REFERENCED_B);
#define show_falloc_mode(mode) __print_flags(mode, "|", \
{ FALLOC_FL_KEEP_SIZE, "KEEP_SIZE"}, \
{ FALLOC_FL_PUNCH_HOLE, "PUNCH_HOLE"}, \
- { FALLOC_FL_NO_HIDE_STALE, "NO_HIDE_STALE"}, \
{ FALLOC_FL_COLLAPSE_RANGE, "COLLAPSE_RANGE"}, \
{ FALLOC_FL_ZERO_RANGE, "ZERO_RANGE"})
diff --git a/include/uapi/linux/falloc.h b/include/uapi/linux/falloc.h
index 51398fa57f6c..5810371ed72b 100644
--- a/include/uapi/linux/falloc.h
+++ b/include/uapi/linux/falloc.h
@@ -2,6 +2,7 @@
#ifndef _UAPI_FALLOC_H_
#define _UAPI_FALLOC_H_
+#define FALLOC_FL_ALLOCATE_RANGE 0x00 /* allocate range */
#define FALLOC_FL_KEEP_SIZE 0x01 /* default is extend size */
#define FALLOC_FL_PUNCH_HOLE 0x02 /* de-allocates range */
#define FALLOC_FL_NO_HIDE_STALE 0x04 /* reserved codepoint */