aboutsummaryrefslogtreecommitdiffstats
path: root/fs/xfs/xfs_buf.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/xfs_buf.c')
-rw-r--r--fs/xfs/xfs_buf.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 172d3cc8f8cb..a4beb421018a 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -201,14 +201,7 @@ xfs_buf_alloc(
201 bp->b_length = numblks; 201 bp->b_length = numblks;
202 bp->b_io_length = numblks; 202 bp->b_io_length = numblks;
203 bp->b_flags = flags; 203 bp->b_flags = flags;
204 204 bp->b_bn = blkno;
205 /*
206 * We do not set the block number here in the buffer because we have not
207 * finished initialising the buffer. We insert the buffer into the cache
208 * in this state, so this ensures that we are unable to do IO on a
209 * buffer that hasn't been fully initialised.
210 */
211 bp->b_bn = XFS_BUF_DADDR_NULL;
212 atomic_set(&bp->b_pin_count, 0); 205 atomic_set(&bp->b_pin_count, 0);
213 init_waitqueue_head(&bp->b_waiters); 206 init_waitqueue_head(&bp->b_waiters);
214 207
@@ -567,11 +560,6 @@ xfs_buf_get(
567 if (bp != new_bp) 560 if (bp != new_bp)
568 xfs_buf_free(new_bp); 561 xfs_buf_free(new_bp);
569 562
570 /*
571 * Now we have a workable buffer, fill in the block number so
572 * that we can do IO on it.
573 */
574 bp->b_bn = blkno;
575 bp->b_io_length = bp->b_length; 563 bp->b_io_length = bp->b_length;
576 564
577found: 565found:
@@ -772,7 +760,7 @@ xfs_buf_get_uncached(
772 int error, i; 760 int error, i;
773 xfs_buf_t *bp; 761 xfs_buf_t *bp;
774 762
775 bp = xfs_buf_alloc(target, 0, numblks, 0); 763 bp = xfs_buf_alloc(target, XFS_BUF_DADDR_NULL, numblks, 0);
776 if (unlikely(bp == NULL)) 764 if (unlikely(bp == NULL))
777 goto fail; 765 goto fail;
778 766