diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2013-09-12 21:54:48 (GMT) |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-09-12 21:54:48 (GMT) |
commit | bf2ba3bc185269eca274b458aac46ba1ad7c1121 (patch) | |
tree | 2cdaf7568df3ab762f42e7849fc9211dcb60d1bc /fs/xfs/xfs_buf.h | |
parent | bcceeeba9b3ca99c29523bb7af16727f8a837db4 (diff) | |
parent | f5e1dd34561e0fb06400b378d595198918833021 (diff) | |
download | linux-fsl-qoriq-bf2ba3bc185269eca274b458aac46ba1ad7c1121.tar.xz |
Merge branch 'for-next' into for-linus
Diffstat (limited to 'fs/xfs/xfs_buf.h')
-rw-r--r-- | fs/xfs/xfs_buf.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 433a12e..e656833 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -25,6 +25,7 @@ #include <linux/fs.h> #include <linux/buffer_head.h> #include <linux/uio.h> +#include <linux/list_lru.h> /* * Base types @@ -59,7 +60,6 @@ typedef enum { #define _XBF_KMEM (1 << 21)/* backed by heap memory */ #define _XBF_DELWRI_Q (1 << 22)/* buffer on a delwri queue */ #define _XBF_COMPOUND (1 << 23)/* compound buffer */ -#define _XBF_LRU_DISPOSE (1 << 24)/* buffer being discarded */ typedef unsigned int xfs_buf_flags_t; @@ -78,8 +78,12 @@ typedef unsigned int xfs_buf_flags_t; { _XBF_PAGES, "PAGES" }, \ { _XBF_KMEM, "KMEM" }, \ { _XBF_DELWRI_Q, "DELWRI_Q" }, \ - { _XBF_COMPOUND, "COMPOUND" }, \ - { _XBF_LRU_DISPOSE, "LRU_DISPOSE" } + { _XBF_COMPOUND, "COMPOUND" } + +/* + * Internal state flags. + */ +#define XFS_BSTATE_DISPOSE (1 << 0) /* buffer being discarded */ typedef struct xfs_buftarg { dev_t bt_dev; @@ -92,9 +96,7 @@ typedef struct xfs_buftarg { /* LRU control structures */ struct shrinker bt_shrinker; - struct list_head bt_lru; - spinlock_t bt_lru_lock; - unsigned int bt_lru_nr; + struct list_lru bt_lru; } xfs_buftarg_t; struct xfs_buf; @@ -137,7 +139,8 @@ typedef struct xfs_buf { * bt_lru_lock and not by b_sema */ struct list_head b_lru; /* lru list */ - xfs_buf_flags_t b_lru_flags; /* internal lru status flags */ + spinlock_t b_lock; /* internal state lock */ + unsigned int b_state; /* internal state flags */ wait_queue_head_t b_waiters; /* unpin waiters */ struct list_head b_list; struct xfs_perag *b_pag; /* contains rbtree root */ |