summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--fs/xfs/xfs_buf.c25
-rw-r--r--fs/xfs/xfs_buf.h11
2 files changed, 6 insertions, 30 deletions
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 548344e25128..be8afa1673c7 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1613,16 +1613,11 @@ xfs_buf_offset(
return page_address(page) + (offset & (PAGE_SIZE-1));
}
-/*
- * Move data into or out of a buffer.
- */
void
-xfs_buf_iomove(
- xfs_buf_t *bp, /* buffer to process */
- size_t boff, /* starting buffer offset */
- size_t bsize, /* length to copy */
- void *data, /* data address */
- xfs_buf_rw_t mode) /* read/write/zero flag */
+xfs_buf_zero(
+ struct xfs_buf *bp,
+ size_t boff,
+ size_t bsize)
{
size_t bend;
@@ -1639,19 +1634,9 @@ xfs_buf_iomove(
ASSERT((csize + page_offset) <= PAGE_SIZE);
- switch (mode) {
- case XBRW_ZERO:
- memset(page_address(page) + page_offset, 0, csize);
- break;
- case XBRW_READ:
- memcpy(data, page_address(page) + page_offset, csize);
- break;
- case XBRW_WRITE:
- memcpy(page_address(page) + page_offset, data, csize);
- }
+ memset(page_address(page) + page_offset, 0, csize);
boff += csize;
- data += csize;
}
}
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index d0b96e071cec..1701efee4fd4 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -21,12 +21,6 @@
#define XFS_BUF_DADDR_NULL ((xfs_daddr_t) (-1LL))
-typedef enum {
- XBRW_READ = 1, /* transfer into target memory */
- XBRW_WRITE = 2, /* transfer from target memory */
- XBRW_ZERO = 3, /* Zero target memory */
-} xfs_buf_rw_t;
-
#define XBF_READ (1 << 0) /* buffer intended for reading from device */
#define XBF_WRITE (1 << 1) /* buffer intended for writing to device */
#define XBF_READ_AHEAD (1 << 2) /* asynchronous read-ahead */
@@ -305,10 +299,7 @@ static inline int xfs_buf_submit(struct xfs_buf *bp)
return __xfs_buf_submit(bp, wait);
}
-extern void xfs_buf_iomove(xfs_buf_t *, size_t, size_t, void *,
- xfs_buf_rw_t);
-#define xfs_buf_zero(bp, off, len) \
- xfs_buf_iomove((bp), (off), (len), NULL, XBRW_ZERO)
+void xfs_buf_zero(struct xfs_buf *bp, size_t boff, size_t bsize);
/* Buffer Utility Routines */
extern void *xfs_buf_offset(struct xfs_buf *, size_t);