xfs: remove duplicate buffer flags

Currently we define aliases for the buffer flags in various
namespaces, which only adds confusion.  Remove all but the XBF_
flags to clean this up a bit.

Note that we still abuse XFS_B_ASYNC/XBF_ASYNC for some non-buffer
uses, but I'll clean that up later.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Alex Elder <aelder@sgi.com>

17 files changed, 53 insertions, 70 deletions

diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index efd745bb888..730eff1e71a 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -1169,7 +1169,7 @@ xfs_bioerror_relse(
         XFS_BUF_STALE(bp);
         XFS_BUF_CLR_IODONE_FUNC(bp);
         XFS_BUF_CLR_BDSTRAT_FUNC(bp);
-        if (!(fl & XFS_B_ASYNC)) {
+        if (!(fl & XBF_ASYNC)) {
                 /*
                  * Mark b_error and B_ERROR _both_.
                  * Lot's of chunkcache code assumes that.
diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h
index 4f2ad66edb7..ea8c198f0c3 100644
--- a/fs/xfs/linux-2.6/xfs_buf.h
+++ b/fs/xfs/linux-2.6/xfs_buf.h
@@ -275,33 +275,19 @@ extern void xfs_buf_terminate(void);
         ({ char __b[BDEVNAME_SIZE]; bdevname((target)->bt_bdev, __b); __b; })
 
 
-#define XFS_B_ASYNC             XBF_ASYNC
-#define XFS_B_DELWRI            XBF_DELWRI
-#define XFS_B_READ              XBF_READ
-#define XFS_B_WRITE             XBF_WRITE
-#define XFS_B_STALE             XBF_STALE
-
-#define XFS_BUF_TRYLOCK         XBF_TRYLOCK
-#define XFS_INCORE_TRYLOCK      XBF_TRYLOCK
-#define XFS_BUF_LOCK            XBF_LOCK
-#define XFS_BUF_MAPPED          XBF_MAPPED
-
-#define BUF_BUSY                XBF_DONT_BLOCK
-
 #define XFS_BUF_BFLAGS(bp)      ((bp)->b_flags)
 #define XFS_BUF_ZEROFLAGS(bp)   ((bp)->b_flags &= \
                 ~(XBF_READ|XBF_WRITE|XBF_ASYNC|XBF_DELWRI|XBF_ORDERED))
 
-#define XFS_BUF_STALE(bp)       ((bp)->b_flags |= XFS_B_STALE)
-#define XFS_BUF_UNSTALE(bp)     ((bp)->b_flags &= ~XFS_B_STALE)
-#define XFS_BUF_ISSTALE(bp)     ((bp)->b_flags & XFS_B_STALE)
+#define XFS_BUF_STALE(bp)       ((bp)->b_flags |= XBF_STALE)
+#define XFS_BUF_UNSTALE(bp)     ((bp)->b_flags &= ~XBF_STALE)
+#define XFS_BUF_ISSTALE(bp)     ((bp)->b_flags & XBF_STALE)
 #define XFS_BUF_SUPER_STALE(bp) do {                            \
                                         XFS_BUF_STALE(bp);      \
                                         xfs_buf_delwri_dequeue(bp);     \
                                         XFS_BUF_DONE(bp);       \
                                 } while (0)
 
-#define XFS_BUF_MANAGE          XBF_FS_MANAGED
 #define XFS_BUF_UNMANAGE(bp)    ((bp)->b_flags &= ~XBF_FS_MANAGED)
 
 #define XFS_BUF_DELAYWRITE(bp)          ((bp)->b_flags |= XBF_DELWRI)
@@ -390,7 +376,7 @@ static inline void xfs_buf_relse(xfs_buf_t *bp)
 
 #define xfs_biomove(bp, off, len, data, rw) \
             xfs_buf_iomove((bp), (off), (len), (data), \
-                ((rw) == XFS_B_WRITE) ? XBRW_WRITE : XBRW_READ)
+                ((rw) == XBF_WRITE) ? XBRW_WRITE : XBRW_READ)
 
 #define xfs_biozero(bp, off, len) \
             xfs_buf_iomove((bp), (off), (len), NULL, XBRW_ZERO)
diff --git a/fs/xfs/linux-2.6/xfs_fs_subr.c b/fs/xfs/linux-2.6/xfs_fs_subr.c
index 7501b85fd86..b6918d76bc7 100644
--- a/fs/xfs/linux-2.6/xfs_fs_subr.c
+++ b/fs/xfs/linux-2.6/xfs_fs_subr.c
@@ -79,7 +79,7 @@ xfs_flush_pages(
                 xfs_iflags_clear(ip, XFS_ITRUNCATED);
                 ret = -filemap_fdatawrite(mapping);
         }
-        if (flags & XFS_B_ASYNC)
+        if (flags & XBF_ASYNC)
                 return ret;
         ret2 = xfs_wait_on_pages(ip, first, last);
         if (!ret)
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index b58f8412dfe..58c24be72c6 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -234,7 +234,7 @@ xfs_sync_inode_data(
         }
 
         error = xfs_flush_pages(ip, 0, -1, (flags & SYNC_WAIT) ?
-                                0 : XFS_B_ASYNC, FI_NONE);
+                                0 : XBF_ASYNC, FI_NONE);
         xfs_iunlock(ip, XFS_IOLOCK_SHARED);
 
  out_wait:
@@ -370,7 +370,7 @@ xfs_sync_fsdata(
         if (flags & SYNC_TRYLOCK) {
                 ASSERT(!(flags & SYNC_WAIT));
 
-                bp = xfs_getsb(mp, XFS_BUF_TRYLOCK);
+                bp = xfs_getsb(mp, XBF_TRYLOCK);
                 if (!bp)
                         goto out;
 
diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c
index a447493690e..5756392ffde 100644
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/quota/xfs_dquot.c
@@ -1527,8 +1527,7 @@ xfs_qm_dqflock_pushbuf_wait(
          * the flush lock when the I/O completes.
          */
         bp = xfs_incore(dqp->q_mount->m_ddev_targp, dqp->q_blkno,
-                    XFS_QI_DQCHUNKLEN(dqp->q_mount),
-                    XFS_INCORE_TRYLOCK);
+                    XFS_QI_DQCHUNKLEN(dqp->q_mount), XBF_TRYLOCK);
         if (bp != NULL) {
                 if (XFS_BUF_ISDELAYWRITE(bp)) {
                         int     error;
diff --git a/fs/xfs/quota/xfs_dquot_item.c b/fs/xfs/quota/xfs_dquot_item.c
index d0d4a9a0bbd..37929d19ef4 100644
--- a/fs/xfs/quota/xfs_dquot_item.c
+++ b/fs/xfs/quota/xfs_dquot_item.c
@@ -237,8 +237,7 @@ xfs_qm_dquot_logitem_pushbuf(
         }
         mp = dqp->q_mount;
         bp = xfs_incore(mp->m_ddev_targp, qip->qli_format.qlf_blkno,
-                    XFS_QI_DQCHUNKLEN(mp),
-                    XFS_INCORE_TRYLOCK);
+                    XFS_QI_DQCHUNKLEN(mp), XBF_TRYLOCK);
         if (bp != NULL) {
                 if (XFS_BUF_ISDELAYWRITE(bp)) {
                         dopush = ((qip->qli_item.li_flags & XFS_LI_IN_AIL) &&
diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index 8aa181d6dd7..a27aeb7d9e7 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -2180,7 +2180,7 @@ xfs_alloc_read_agf(
         ASSERT(agno != NULLAGNUMBER);
 
         error = xfs_read_agf(mp, tp, agno,
-                        (flags & XFS_ALLOC_FLAG_TRYLOCK) ? XFS_BUF_TRYLOCK : 0,
+                        (flags & XFS_ALLOC_FLAG_TRYLOCK) ? XBF_TRYLOCK : 0,
                         bpp);
         if (error)
                 return error;
diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c
index f7b426a1b6e..b9c196a53c4 100644
--- a/fs/xfs/xfs_attr.c
+++ b/fs/xfs/xfs_attr.c
@@ -2015,15 +2015,14 @@ xfs_attr_rmtval_get(xfs_da_args_t *args)
                         dblkno = XFS_FSB_TO_DADDR(mp, map[i].br_startblock);
                         blkcnt = XFS_FSB_TO_BB(mp, map[i].br_blockcount);
                         error = xfs_read_buf(mp, mp->m_ddev_targp, dblkno,
-                                             blkcnt,
-                                             XFS_BUF_LOCK | XBF_DONT_BLOCK,
+                                             blkcnt, XBF_LOCK | XBF_DONT_BLOCK,
                                              &bp);
                         if (error)
                                 return(error);
 
                         tmp = (valuelen < XFS_BUF_SIZE(bp))
                                 ? valuelen : XFS_BUF_SIZE(bp);
-                        xfs_biomove(bp, 0, tmp, dst, XFS_B_READ);
+                        xfs_biomove(bp, 0, tmp, dst, XBF_READ);
                         xfs_buf_relse(bp);
                         dst += tmp;
                         valuelen -= tmp;
@@ -2149,13 +2148,13 @@ xfs_attr_rmtval_set(xfs_da_args_t *args)
                 blkcnt = XFS_FSB_TO_BB(mp, map.br_blockcount);
 
                 bp = xfs_buf_get(mp->m_ddev_targp, dblkno, blkcnt,
-                                 XFS_BUF_LOCK | XBF_DONT_BLOCK);
+                                 XBF_LOCK | XBF_DONT_BLOCK);
                 ASSERT(bp);
                 ASSERT(!XFS_BUF_GETERROR(bp));
 
                 tmp = (valuelen < XFS_BUF_SIZE(bp)) ? valuelen :
                                                         XFS_BUF_SIZE(bp);
-                xfs_biomove(bp, 0, tmp, src, XFS_B_WRITE);
+                xfs_biomove(bp, 0, tmp, src, XBF_WRITE);
                 if (tmp < XFS_BUF_SIZE(bp))
                         xfs_biozero(bp, tmp, XFS_BUF_SIZE(bp) - tmp);
                 if ((error = xfs_bwrite(mp, bp))) {/* GROT: NOTE: synchronous write */
@@ -2216,8 +2215,7 @@ xfs_attr_rmtval_remove(xfs_da_args_t *args)
                 /*
                  * If the "remote" value is in the cache, remove it.
                  */
-                bp = xfs_incore(mp->m_ddev_targp, dblkno, blkcnt,
-                                XFS_INCORE_TRYLOCK);
+                bp = xfs_incore(mp->m_ddev_targp, dblkno, blkcnt, XBF_TRYLOCK);
                 if (bp) {
                         XFS_BUF_STALE(bp);
                         XFS_BUF_UNDELAYWRITE(bp);
diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
index 52519a20184..a90ce74fc25 100644
--- a/fs/xfs/xfs_attr_leaf.c
+++ b/fs/xfs/xfs_attr_leaf.c
@@ -2950,7 +2950,7 @@ xfs_attr_leaf_freextent(xfs_trans_t **trans, xfs_inode_t *dp,
                                                 map.br_blockcount);
                         bp = xfs_trans_get_buf(*trans,
                                         dp->i_mount->m_ddev_targp,
-                                        dblkno, dblkcnt, XFS_BUF_LOCK);
+                                        dblkno, dblkcnt, XBF_LOCK);
                         xfs_trans_binval(*trans, bp);
                         /*
                          * Roll to next transaction.
diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c
index 36a0992dd66..96be4b0f249 100644
--- a/fs/xfs/xfs_btree.c
+++ b/fs/xfs/xfs_btree.c
@@ -977,7 +977,7 @@ xfs_btree_get_buf_block(
         xfs_daddr_t             d;
 
         /* need to sort out how callers deal with failures first */
-        ASSERT(!(flags & XFS_BUF_TRYLOCK));
+        ASSERT(!(flags & XBF_TRYLOCK));
 
         d = xfs_btree_ptr_to_daddr(cur, ptr);
         *bpp = xfs_trans_get_buf(cur->bc_tp, mp->m_ddev_targp, d,
@@ -1008,7 +1008,7 @@ xfs_btree_read_buf_block(
         int                     error;
 
         /* need to sort out how callers deal with failures first */
-        ASSERT(!(flags & XFS_BUF_TRYLOCK));
+        ASSERT(!(flags & XBF_TRYLOCK));
 
         d = xfs_btree_ptr_to_daddr(cur, ptr);
         error = xfs_trans_read_buf(mp, cur->bc_tp, mp->m_ddev_targp, d,
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index 52c9d006c0e..9d884c127bb 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -205,7 +205,7 @@ xfs_ialloc_inode_init(
                 d = XFS_AGB_TO_DADDR(mp, agno, agbno + (j * blks_per_cluster));
                 fbuf = xfs_trans_get_buf(tp, mp->m_ddev_targp, d,
                                          mp->m_bsize * blks_per_cluster,
-                                         XFS_BUF_LOCK);
+                                         XBF_LOCK);
                 ASSERT(fbuf);
                 ASSERT(!XFS_BUF_GETERROR(fbuf));
 
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index 0317b000ab4..bbb3bee8e93 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -151,7 +151,7 @@ xfs_imap_to_bp(
                                 "an error %d on %s.  Returning error.",
                                 error, mp->m_fsname);
                 } else {
-                        ASSERT(buf_flags & XFS_BUF_TRYLOCK);
+                        ASSERT(buf_flags & XBF_TRYLOCK);
                 }
                 return error;
         }
@@ -239,7 +239,7 @@ xfs_inotobp(
         if (error)
                 return error;
 
-        error = xfs_imap_to_bp(mp, tp, &imap, &bp, XFS_BUF_LOCK, imap_flags);
+        error = xfs_imap_to_bp(mp, tp, &imap, &bp, XBF_LOCK, imap_flags);
         if (error)
                 return error;
 
@@ -285,7 +285,7 @@ xfs_itobp(
                 return error;
 
         if (!bp) {
-                ASSERT(buf_flags & XFS_BUF_TRYLOCK);
+                ASSERT(buf_flags & XBF_TRYLOCK);
                 ASSERT(tp == NULL);
                 *bpp = NULL;
                 return EAGAIN;
@@ -807,7 +807,7 @@ xfs_iread(
          * Get pointers to the on-disk inode and the buffer containing it.
          */
         error = xfs_imap_to_bp(mp, tp, &ip->i_imap, &bp,
-                               XFS_BUF_LOCK, iget_flags);
+                               XBF_LOCK, iget_flags);
         if (error)
                 return error;
         dip = (xfs_dinode_t *)xfs_buf_offset(bp, ip->i_imap.im_boffset);
@@ -1751,7 +1751,7 @@ xfs_iunlink(
                  * Here we put the head pointer into our next pointer,
                  * and then we fall through to point the head at us.
                  */
-                error = xfs_itobp(mp, tp, ip, &dip, &ibp, XFS_BUF_LOCK);
+                error = xfs_itobp(mp, tp, ip, &dip, &ibp, XBF_LOCK);
                 if (error)
                         return error;
 
@@ -1833,7 +1833,7 @@ xfs_iunlink_remove(
                  * of dealing with the buffer when there is no need to
                  * change it.
                  */
-                error = xfs_itobp(mp, tp, ip, &dip, &ibp, XFS_BUF_LOCK);
+                error = xfs_itobp(mp, tp, ip, &dip, &ibp, XBF_LOCK);
                 if (error) {
                         cmn_err(CE_WARN,
                                 "xfs_iunlink_remove: xfs_itobp()  returned an error %d on %s.  Returning error.",
@@ -1895,7 +1895,7 @@ xfs_iunlink_remove(
                  * Now last_ibp points to the buffer previous to us on
                  * the unlinked list.  Pull us from the list.
                  */
-                error = xfs_itobp(mp, tp, ip, &dip, &ibp, XFS_BUF_LOCK);
+                error = xfs_itobp(mp, tp, ip, &dip, &ibp, XBF_LOCK);
                 if (error) {
                         cmn_err(CE_WARN,
                                 "xfs_iunlink_remove: xfs_itobp()  returned an error %d on %s.  Returning error.",
@@ -2040,7 +2040,7 @@ xfs_ifree_cluster(
 
                 bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, blkno, 
                                         mp->m_bsize * blks_per_cluster,
-                                        XFS_BUF_LOCK);
+                                        XBF_LOCK);
 
                 pre_flushed = 0;
                 lip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *);
@@ -2151,7 +2151,7 @@ xfs_ifree(
 
         xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 
-        error = xfs_itobp(ip->i_mount, tp, ip, &dip, &ibp, XFS_BUF_LOCK);
+        error = xfs_itobp(ip->i_mount, tp, ip, &dip, &ibp, XBF_LOCK);
         if (error)
                 return error;
 
@@ -2952,7 +2952,7 @@ xfs_iflush(
          * Get the buffer containing the on-disk inode.
          */
         error = xfs_itobp(mp, NULL, ip, &dip, &bp,
-                                noblock ? XFS_BUF_TRYLOCK : XFS_BUF_LOCK);
+                                noblock ? XBF_TRYLOCK : XBF_LOCK);
         if (error || !bp) {
                 xfs_ifunlock(ip);
                 return error;
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index f38855d21ea..6194fb5d377 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -785,7 +785,7 @@ xfs_inode_item_pushbuf(
 
         mp = ip->i_mount;
         bp = xfs_incore(mp->m_ddev_targp, iip->ili_format.ilf_blkno,
-                    iip->ili_format.ilf_len, XFS_INCORE_TRYLOCK);
+                    iip->ili_format.ilf_len, XBF_TRYLOCK);
 
         if (bp != NULL) {
                 if (XFS_BUF_ISDELAYWRITE(bp)) {
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 65f1f137d78..97148f0c4bd 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -2184,9 +2184,9 @@ xlog_recover_do_buffer_trans(
         }
 
         mp = log->l_mp;
-        buf_flags = XFS_BUF_LOCK;
+        buf_flags = XBF_LOCK;
         if (!(flags & XFS_BLI_INODE_BUF))
-                buf_flags |= XFS_BUF_MAPPED;
+                buf_flags |= XBF_MAPPED;
 
         bp = xfs_buf_read(mp->m_ddev_targp, blkno, len, buf_flags);
         if (XFS_BUF_ISERROR(bp)) {
@@ -2288,7 +2288,7 @@ xlog_recover_do_inode_trans(
         }
 
         bp = xfs_buf_read(mp->m_ddev_targp, in_f->ilf_blkno, in_f->ilf_len,
-                          XFS_BUF_LOCK);
+                          XBF_LOCK);
         if (XFS_BUF_ISERROR(bp)) {
                 xfs_ioerror_alert("xlog_recover_do..(read#2)", mp,
                                   bp, in_f->ilf_blkno);
@@ -3146,7 +3146,7 @@ xlog_recover_process_one_iunlink(
         /*
          * Get the on disk inode to find the next inode in the bucket.
          */
-        error = xfs_itobp(mp, NULL, ip, &dip, &ibp, XFS_BUF_LOCK);
+        error = xfs_itobp(mp, NULL, ip, &dip, &ibp, XBF_LOCK);
         if (error)
                 goto fail_iput;
 
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index d95bd1809f3..bb0154047e8 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -665,7 +665,7 @@ xfs_readsb(xfs_mount_t *mp, int flags)
          * access to the superblock.
          */
         sector_size = xfs_getsize_buftarg(mp->m_ddev_targp);
-        extra_flags = XFS_BUF_LOCK | XFS_BUF_MANAGE | XFS_BUF_MAPPED;
+        extra_flags = XBF_LOCK | XBF_FS_MANAGED | XBF_MAPPED;
 
         bp = xfs_buf_read(mp->m_ddev_targp, XFS_SB_DADDR, BTOBB(sector_size),
                           extra_flags);
@@ -1969,7 +1969,7 @@ xfs_getsb(
 
         ASSERT(mp->m_sb_bp != NULL);
         bp = mp->m_sb_bp;
-        if (flags & XFS_BUF_TRYLOCK) {
+        if (flags & XBF_TRYLOCK) {
                 if (!XFS_BUF_CPSEMA(bp)) {
                         return NULL;
                 }
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 49130628d5e..5ffd544434e 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -75,13 +75,14 @@ xfs_trans_get_buf(xfs_trans_t	*tp,
         xfs_buf_log_item_t      *bip;
 
         if (flags == 0)
-                flags = XFS_BUF_LOCK | XFS_BUF_MAPPED;
+                flags = XBF_LOCK | XBF_MAPPED;
 
         /*
          * Default to a normal get_buf() call if the tp is NULL.
          */
         if (tp == NULL)
-                return xfs_buf_get(target_dev, blkno, len, flags | BUF_BUSY);
+                return xfs_buf_get(target_dev, blkno, len,
+                                   flags | XBF_DONT_BLOCK);
 
         /*
          * If we find the buffer in the cache with this transaction
@@ -117,14 +118,14 @@ xfs_trans_get_buf(xfs_trans_t	*tp,
         }
 
         /*
-         * We always specify the BUF_BUSY flag within a transaction so
-         * that get_buf does not try to push out a delayed write buffer
+         * We always specify the XBF_DONT_BLOCK flag within a transaction
+         * so that get_buf does not try to push out a delayed write buffer
          * which might cause another transaction to take place (if the
          * buffer was delayed alloc).  Such recursive transactions can
          * easily deadlock with our current transaction as well as cause
          * us to run out of stack space.
          */
-        bp = xfs_buf_get(target_dev, blkno, len, flags | BUF_BUSY);
+        bp = xfs_buf_get(target_dev, blkno, len, flags | XBF_DONT_BLOCK);
         if (bp == NULL) {
                 return NULL;
         }
@@ -290,15 +291,15 @@ xfs_trans_read_buf(
         int                     error;
 
         if (flags == 0)
-                flags = XFS_BUF_LOCK | XFS_BUF_MAPPED;
+                flags = XBF_LOCK | XBF_MAPPED;
 
         /*
          * Default to a normal get_buf() call if the tp is NULL.
          */
         if (tp == NULL) {
-                bp = xfs_buf_read(target, blkno, len, flags | BUF_BUSY);
+                bp = xfs_buf_read(target, blkno, len, flags | XBF_DONT_BLOCK);
                 if (!bp)
-                        return (flags & XFS_BUF_TRYLOCK) ?
+                        return (flags & XBF_TRYLOCK) ?
                                         EAGAIN : XFS_ERROR(ENOMEM);
 
                 if (XFS_BUF_GETERROR(bp) != 0) {
@@ -385,14 +386,14 @@ xfs_trans_read_buf(
         }
 
         /*
-         * We always specify the BUF_BUSY flag within a transaction so
-         * that get_buf does not try to push out a delayed write buffer
+         * We always specify the XBF_DONT_BLOCK flag within a transaction
+         * so that get_buf does not try to push out a delayed write buffer
          * which might cause another transaction to take place (if the
          * buffer was delayed alloc).  Such recursive transactions can
          * easily deadlock with our current transaction as well as cause
          * us to run out of stack space.
          */
-        bp = xfs_buf_read(target, blkno, len, flags | BUF_BUSY);
+        bp = xfs_buf_read(target, blkno, len, flags | XBF_DONT_BLOCK);
         if (bp == NULL) {
                 *bpp = NULL;
                 return 0;
@@ -472,8 +473,8 @@ shutdown_abort:
         if (XFS_BUF_ISSTALE(bp) && XFS_BUF_ISDELAYWRITE(bp))
                 cmn_err(CE_NOTE, "about to pop assert, bp == 0x%p", bp);
 #endif
-        ASSERT((XFS_BUF_BFLAGS(bp) & (XFS_B_STALE|XFS_B_DELWRI)) !=
-                                                (XFS_B_STALE|XFS_B_DELWRI));
+        ASSERT((XFS_BUF_BFLAGS(bp) & (XBF_STALE|XBF_DELWRI)) !=
+                                     (XBF_STALE|XBF_DELWRI));
 
         trace_xfs_trans_read_buf_shut(bp, _RET_IP_);
         xfs_buf_relse(bp);
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 9f7c001ef46..4da96cdffb7 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -256,7 +256,7 @@ xfs_setattr(
                     iattr->ia_size > ip->i_d.di_size) {
                         code = xfs_flush_pages(ip,
                                         ip->i_d.di_size, iattr->ia_size,
-                                        XFS_B_ASYNC, FI_NONE);
+                                        XBF_ASYNC, FI_NONE);
                 }
 
                 /* wait for all I/O to complete */
@@ -1096,7 +1096,7 @@ xfs_release(
                  */
                 truncated = xfs_iflags_test_and_clear(ip, XFS_ITRUNCATED);
                 if (truncated && VN_DIRTY(VFS_I(ip)) && ip->i_delayed_blks > 0)
-                        xfs_flush_pages(ip, 0, -1, XFS_B_ASYNC, FI_NONE);
+                        xfs_flush_pages(ip, 0, -1, XBF_ASYNC, FI_NONE);
         }
 
         if (ip->i_d.di_nlink != 0) {