summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/linux/page-flags.h12
-rw-r--r--include/trace/events/ext4.h9
2 files changed, 15 insertions, 6 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 2093eb7..3c545b4 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -319,13 +319,23 @@ CLEARPAGEFLAG(Uptodate, uptodate)
extern void cancel_dirty_page(struct page *page, unsigned int account_size);
int test_clear_page_writeback(struct page *page);
-int test_set_page_writeback(struct page *page);
+int __test_set_page_writeback(struct page *page, bool keep_write);
+
+#define test_set_page_writeback(page) \
+ __test_set_page_writeback(page, false)
+#define test_set_page_writeback_keepwrite(page) \
+ __test_set_page_writeback(page, true)
static inline void set_page_writeback(struct page *page)
{
test_set_page_writeback(page);
}
+static inline void set_page_writeback_keepwrite(struct page *page)
+{
+ test_set_page_writeback_keepwrite(page);
+}
+
#ifdef CONFIG_PAGEFLAGS_EXTENDED
/*
* System with lots of page flags available. This allows separate
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 6a1a024..d4f70a7 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -36,7 +36,7 @@ struct extent_status;
#define show_map_flags(flags) __print_flags(flags, "|", \
{ EXT4_GET_BLOCKS_CREATE, "CREATE" }, \
- { EXT4_GET_BLOCKS_UNINIT_EXT, "UNINIT" }, \
+ { EXT4_GET_BLOCKS_UNWRIT_EXT, "UNWRIT" }, \
{ EXT4_GET_BLOCKS_DELALLOC_RESERVE, "DELALLOC" }, \
{ EXT4_GET_BLOCKS_PRE_IO, "PRE_IO" }, \
{ EXT4_GET_BLOCKS_CONVERT, "CONVERT" }, \
@@ -51,7 +51,6 @@ struct extent_status;
{ EXT4_MAP_MAPPED, "M" }, \
{ EXT4_MAP_UNWRITTEN, "U" }, \
{ EXT4_MAP_BOUNDARY, "B" }, \
- { EXT4_MAP_UNINIT, "u" }, \
{ EXT4_MAP_FROM_CLUSTER, "C" })
#define show_free_flags(flags) __print_flags(flags, "|", \
@@ -1497,7 +1496,7 @@ DEFINE_EVENT(ext4__truncate, ext4_truncate_exit,
TP_ARGS(inode)
);
-/* 'ux' is the uninitialized extent. */
+/* 'ux' is the unwritten extent. */
TRACE_EVENT(ext4_ext_convert_to_initialized_enter,
TP_PROTO(struct inode *inode, struct ext4_map_blocks *map,
struct ext4_extent *ux),
@@ -1533,7 +1532,7 @@ TRACE_EVENT(ext4_ext_convert_to_initialized_enter,
);
/*
- * 'ux' is the uninitialized extent.
+ * 'ux' is the unwritten extent.
* 'ix' is the initialized extent to which blocks are transferred.
*/
TRACE_EVENT(ext4_ext_convert_to_initialized_fastpath,
@@ -1811,7 +1810,7 @@ DEFINE_EVENT(ext4__trim, ext4_trim_all_free,
TP_ARGS(sb, group, start, len)
);
-TRACE_EVENT(ext4_ext_handle_uninitialized_extents,
+TRACE_EVENT(ext4_ext_handle_unwritten_extents,
TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int flags,
unsigned int allocated, ext4_fsblk_t newblock),
OpenPOWER on IntegriCloud