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Diffstat (limited to 'fs/xfs/xfs_buf.h')
-rw-r--r--fs/xfs/xfs_buf.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index 549c60942208..c86e16419656 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -44,6 +44,11 @@ struct xfs_buf;
#define _XBF_DELWRI_Q (1u << 22)/* buffer on a delwri queue */
/* flags used only as arguments to access routines */
+/*
+ * Online fsck is scanning the buffer cache for live buffers. Do not warn
+ * about length mismatches during lookups and do not return stale buffers.
+ */
+#define XBF_LIVESCAN (1u << 28)
#define XBF_INCORE (1u << 29)/* lookup only, return if found in cache */
#define XBF_TRYLOCK (1u << 30)/* lock requested, but do not wait */
#define XBF_UNMAPPED (1u << 31)/* do not map the buffer */
@@ -67,6 +72,7 @@ typedef unsigned int xfs_buf_flags_t;
{ _XBF_KMEM, "KMEM" }, \
{ _XBF_DELWRI_Q, "DELWRI_Q" }, \
/* The following interface flags should never be set */ \
+ { XBF_LIVESCAN, "LIVESCAN" }, \
{ XBF_INCORE, "INCORE" }, \
{ XBF_TRYLOCK, "TRYLOCK" }, \
{ XBF_UNMAPPED, "UNMAPPED" }
@@ -92,6 +98,7 @@ typedef unsigned int xfs_buf_flags_t;
*/
typedef struct xfs_buftarg {
dev_t bt_dev;
+ struct bdev_handle *bt_bdev_handle;
struct block_device *bt_bdev;
struct dax_device *bt_daxdev;
u64 bt_dax_part_off;
@@ -102,7 +109,7 @@ typedef struct xfs_buftarg {
size_t bt_logical_sectormask;
/* LRU control structures */
- struct shrinker bt_shrinker;
+ struct shrinker *bt_shrinker;
struct list_lru bt_lru;
struct percpu_counter bt_io_count;
@@ -114,8 +121,15 @@ typedef struct xfs_buftarg {
struct xfs_buf_map {
xfs_daddr_t bm_bn; /* block number for I/O */
int bm_len; /* size of I/O */
+ unsigned int bm_flags;
};
+/*
+ * Online fsck is scanning the buffer cache for live buffers. Do not warn
+ * about length mismatches during lookups and do not return stale buffers.
+ */
+#define XBM_LIVESCAN (1U << 0)
+
#define DEFINE_SINGLE_BUF_MAP(map, blkno, numblk) \
struct xfs_buf_map (map) = { .bm_bn = (blkno), .bm_len = (numblk) };
@@ -351,7 +365,7 @@ xfs_buf_update_cksum(struct xfs_buf *bp, unsigned long cksum_offset)
* Handling of buftargs.
*/
struct xfs_buftarg *xfs_alloc_buftarg(struct xfs_mount *mp,
- struct block_device *bdev);
+ struct bdev_handle *bdev_handle);
extern void xfs_free_buftarg(struct xfs_buftarg *);
extern void xfs_buftarg_wait(struct xfs_buftarg *);
extern void xfs_buftarg_drain(struct xfs_buftarg *);