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authorMinchan Kim <minchan@kernel.org>2018-12-28 09:36:40 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-28 21:11:49 +0100
commit7e5292831b346bacb05558ca385cae366187314c (patch)
tree8326a73a602de333c95f221b26b9b4b3dd430433 /drivers/block/zram/zram_drv.h
parentzram: fix double free backing device (diff)
downloadlinux-7e5292831b346bacb05558ca385cae366187314c.tar.xz
linux-7e5292831b346bacb05558ca385cae366187314c.zip
zram: refactor flags and writeback stuff
Rename some variables and restructure some code for better readability in writeback and zs_free_page. Link: http://lkml.kernel.org/r/20181127055429.251614-4-minchan@kernel.org Signed-off-by: Minchan Kim <minchan@kernel.org> Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Reviewed-by: Joey Pabalinas <joeypabalinas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/block/zram/zram_drv.h')
-rw-r--r--drivers/block/zram/zram_drv.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h
index d1095dfdffa8..4f83f1f14b0a 100644
--- a/drivers/block/zram/zram_drv.h
+++ b/drivers/block/zram/zram_drv.h
@@ -30,7 +30,7 @@
/*
- * The lower ZRAM_FLAG_SHIFT bits of table.value is for
+ * The lower ZRAM_FLAG_SHIFT bits of table.flags is for
* object size (excluding header), the higher bits is for
* zram_pageflags.
*
@@ -41,7 +41,7 @@
*/
#define ZRAM_FLAG_SHIFT 24
-/* Flags for zram pages (table[page_no].value) */
+/* Flags for zram pages (table[page_no].flags) */
enum zram_pageflags {
/* zram slot is locked */
ZRAM_LOCK = ZRAM_FLAG_SHIFT,
@@ -60,7 +60,7 @@ struct zram_table_entry {
unsigned long handle;
unsigned long element;
};
- unsigned long value;
+ unsigned long flags;
#ifdef CONFIG_ZRAM_MEMORY_TRACKING
ktime_t ac_time;
#endif
@@ -105,8 +105,8 @@ struct zram {
* zram is claimed so open request will be failed
*/
bool claim; /* Protected by bdev->bd_mutex */
-#ifdef CONFIG_ZRAM_WRITEBACK
struct file *backing_dev;
+#ifdef CONFIG_ZRAM_WRITEBACK
struct block_device *bdev;
unsigned int old_block_size;
unsigned long *bitmap;