xfs: clean up busy extent naming

Now that the busy extent tracking has been moved out of the
allocation files, clean up the namespace it uses to
"xfs_extent_busy" rather than a mix of "xfs_busy" and
"xfs_alloc_busy".

Signed-off-by: Dave Chinner<dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

8 files changed, 73 insertions, 73 deletions

diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index ae6df2585895..588496de0f93 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -47,7 +47,7 @@ STATIC int xfs_alloc_ag_vextent_near(xfs_alloc_arg_t *);
 STATIC int xfs_alloc_ag_vextent_size(xfs_alloc_arg_t *);
 STATIC int xfs_alloc_ag_vextent_small(xfs_alloc_arg_t *,
                 xfs_btree_cur_t *, xfs_agblock_t *, xfs_extlen_t *, int *);
-STATIC void xfs_alloc_busy_trim(struct xfs_alloc_arg *,
+STATIC void xfs_extent_busy_trim(struct xfs_alloc_arg *,
                 xfs_agblock_t, xfs_extlen_t, xfs_agblock_t *, xfs_extlen_t *);
 
 /*
@@ -152,7 +152,7 @@ xfs_alloc_compute_aligned(
         xfs_extlen_t    len;
 
         /* Trim busy sections out of found extent */
-        xfs_alloc_busy_trim(args, foundbno, foundlen, &bno, &len);
+        xfs_extent_busy_trim(args, foundbno, foundlen, &bno, &len);
 
         if (args->alignment > 1 && len >= args->minlen) {
                 xfs_agblock_t   aligned_bno = roundup(bno, args->alignment);
@@ -536,7 +536,7 @@ xfs_alloc_ag_vextent(
                 if (error)
                         return error;
 
-                ASSERT(!xfs_alloc_busy_search(args->mp, args->agno,
+                ASSERT(!xfs_extent_busy_search(args->mp, args->agno,
                                               args->agbno, args->len));
         }
 
@@ -603,7 +603,7 @@ xfs_alloc_ag_vextent_exact(
         /*
          * Check for overlapping busy extents.
          */
-        xfs_alloc_busy_trim(args, fbno, flen, &tbno, &tlen);
+        xfs_extent_busy_trim(args, fbno, flen, &tbno, &tlen);
 
         /*
          * Give up if the start of the extent is busy, or the freespace isn't
@@ -1391,7 +1391,7 @@ xfs_alloc_ag_vextent_small(
                 if (error)
                         goto error0;
                 if (fbno != NULLAGBLOCK) {
-                        xfs_alloc_busy_reuse(args->mp, args->agno, fbno, 1,
+                        xfs_extent_busy_reuse(args->mp, args->agno, fbno, 1,
                                              args->userdata);
 
                         if (args->userdata) {
@@ -2496,7 +2496,7 @@ xfs_free_extent(
 
         error = xfs_free_ag_extent(tp, args.agbp, args.agno, args.agbno, len, 0);
         if (!error)
-                xfs_alloc_busy_insert(tp, args.agno, args.agbno, len, 0);
+                xfs_extent_busy_insert(tp, args.agno, args.agbno, len, 0);
 error0:
         xfs_perag_put(args.pag);
         return error;
diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/xfs_alloc_btree.c
index 3f665487521a..68ebabc388c6 100644
--- a/fs/xfs/xfs_alloc_btree.c
+++ b/fs/xfs/xfs_alloc_btree.c
@@ -94,7 +94,7 @@ xfs_allocbt_alloc_block(
                 return 0;
         }
 
-        xfs_alloc_busy_reuse(cur->bc_mp, cur->bc_private.a.agno, bno, 1, false);
+        xfs_extent_busy_reuse(cur->bc_mp, cur->bc_private.a.agno, bno, 1, false);
 
         xfs_trans_agbtree_delta(cur->bc_tp, 1);
         new->s = cpu_to_be32(bno);
@@ -119,8 +119,8 @@ xfs_allocbt_free_block(
         if (error)
                 return error;
 
-        xfs_alloc_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1,
-                              XFS_ALLOC_BUSY_SKIP_DISCARD);
+        xfs_extent_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1,
+                              XFS_EXTENT_BUSY_SKIP_DISCARD);
         xfs_trans_agbtree_delta(cur->bc_tp, -1);
         return 0;
 }
diff --git a/fs/xfs/xfs_discard.c b/fs/xfs/xfs_discard.c
index e3f1abe774f6..f9c3fe304a17 100644
--- a/fs/xfs/xfs_discard.c
+++ b/fs/xfs/xfs_discard.c
@@ -118,7 +118,7 @@ xfs_trim_extents(
                  * If any blocks in the range are still busy, skip the
                  * discard and try again the next time.
                  */
-                if (xfs_alloc_busy_search(mp, agno, fbno, flen)) {
+                if (xfs_extent_busy_search(mp, agno, fbno, flen)) {
                         trace_xfs_discard_busy(mp, agno, fbno, flen);
                         goto next_extent;
                 }
@@ -212,7 +212,7 @@ xfs_discard_extents(
         struct xfs_mount        *mp,
         struct list_head        *list)
 {
-        struct xfs_busy_extent  *busyp;
+        struct xfs_extent_busy  *busyp;
         int                     error = 0;
 
         list_for_each_entry(busyp, list, list) {
diff --git a/fs/xfs/xfs_extent_busy.c b/fs/xfs/xfs_extent_busy.c
index 4b5a4fa869af..9475bd989379 100644
--- a/fs/xfs/xfs_extent_busy.c
+++ b/fs/xfs/xfs_extent_busy.c
@@ -32,27 +32,27 @@
 #include "xfs_trace.h"
 
 void
-xfs_alloc_busy_insert(
+xfs_extent_busy_insert(
         struct xfs_trans        *tp,
         xfs_agnumber_t          agno,
         xfs_agblock_t           bno,
         xfs_extlen_t            len,
         unsigned int            flags)
 {
-        struct xfs_busy_extent  *new;
-        struct xfs_busy_extent  *busyp;
+        struct xfs_extent_busy  *new;
+        struct xfs_extent_busy  *busyp;
         struct xfs_perag        *pag;
         struct rb_node          **rbp;
         struct rb_node          *parent = NULL;
 
-        new = kmem_zalloc(sizeof(struct xfs_busy_extent), KM_MAYFAIL);
+        new = kmem_zalloc(sizeof(struct xfs_extent_busy), KM_MAYFAIL);
         if (!new) {
                 /*
                  * No Memory!  Since it is now not possible to track the free
                  * block, make this a synchronous transaction to insure that
                  * the block is not reused before this transaction commits.
                  */
-                trace_xfs_alloc_busy_enomem(tp->t_mountp, agno, bno, len);
+                trace_xfs_extent_busy_enomem(tp->t_mountp, agno, bno, len);
                 xfs_trans_set_sync(tp);
                 return;
         }
@@ -64,14 +64,14 @@ xfs_alloc_busy_insert(
         new->flags = flags;
 
         /* trace before insert to be able to see failed inserts */
-        trace_xfs_alloc_busy(tp->t_mountp, agno, bno, len);
+        trace_xfs_extent_busy(tp->t_mountp, agno, bno, len);
 
         pag = xfs_perag_get(tp->t_mountp, new->agno);
         spin_lock(&pag->pagb_lock);
         rbp = &pag->pagb_tree.rb_node;
         while (*rbp) {
                 parent = *rbp;
-                busyp = rb_entry(parent, struct xfs_busy_extent, rb_node);
+                busyp = rb_entry(parent, struct xfs_extent_busy, rb_node);
 
                 if (new->bno < busyp->bno) {
                         rbp = &(*rbp)->rb_left;
@@ -95,14 +95,14 @@ xfs_alloc_busy_insert(
 /*
  * Search for a busy extent within the range of the extent we are about to
  * allocate.  You need to be holding the busy extent tree lock when calling
- * xfs_alloc_busy_search(). This function returns 0 for no overlapping busy
+ * xfs_extent_busy_search(). This function returns 0 for no overlapping busy
  * extent, -1 for an overlapping but not exact busy extent, and 1 for an exact
  * match. This is done so that a non-zero return indicates an overlap that
  * will require a synchronous transaction, but it can still be
  * used to distinguish between a partial or exact match.
  */
 int
-xfs_alloc_busy_search(
+xfs_extent_busy_search(
         struct xfs_mount        *mp,
         xfs_agnumber_t          agno,
         xfs_agblock_t           bno,
@@ -110,7 +110,7 @@ xfs_alloc_busy_search(
 {
         struct xfs_perag        *pag;
         struct rb_node          *rbp;
-        struct xfs_busy_extent  *busyp;
+        struct xfs_extent_busy  *busyp;
         int                     match = 0;
 
         pag = xfs_perag_get(mp, agno);
@@ -120,7 +120,7 @@ xfs_alloc_busy_search(
 
         /* find closest start bno overlap */
         while (rbp) {
-                busyp = rb_entry(rbp, struct xfs_busy_extent, rb_node);
+                busyp = rb_entry(rbp, struct xfs_extent_busy, rb_node);
                 if (bno < busyp->bno) {
                         /* may overlap, but exact start block is lower */
                         if (bno + len > busyp->bno)
@@ -154,10 +154,10 @@ xfs_alloc_busy_search(
  * needs to be restarted.
  */
 STATIC bool
-xfs_alloc_busy_update_extent(
+xfs_extent_busy_update_extent(
         struct xfs_mount        *mp,
         struct xfs_perag        *pag,
-        struct xfs_busy_extent  *busyp,
+        struct xfs_extent_busy  *busyp,
         xfs_agblock_t           fbno,
         xfs_extlen_t            flen,
         bool                    userdata)
@@ -171,7 +171,7 @@ xfs_alloc_busy_update_extent(
          * performing the discard a chance to mark the extent unbusy
          * and retry.
          */
-        if (busyp->flags & XFS_ALLOC_BUSY_DISCARDED) {
+        if (busyp->flags & XFS_EXTENT_BUSY_DISCARDED) {
                 spin_unlock(&pag->pagb_lock);
                 delay(1);
                 spin_lock(&pag->pagb_lock);
@@ -285,13 +285,13 @@ xfs_alloc_busy_update_extent(
                 ASSERT(0);
         }
 
-        trace_xfs_alloc_busy_reuse(mp, pag->pag_agno, fbno, flen);
+        trace_xfs_extent_busy_reuse(mp, pag->pag_agno, fbno, flen);
         return true;
 
 out_force_log:
         spin_unlock(&pag->pagb_lock);
         xfs_log_force(mp, XFS_LOG_SYNC);
-        trace_xfs_alloc_busy_force(mp, pag->pag_agno, fbno, flen);
+        trace_xfs_extent_busy_force(mp, pag->pag_agno, fbno, flen);
         spin_lock(&pag->pagb_lock);
         return false;
 }
@@ -301,7 +301,7 @@ out_force_log:
  * For a given extent [fbno, flen], make sure we can reuse it safely.
  */
 void
-xfs_alloc_busy_reuse(
+xfs_extent_busy_reuse(
         struct xfs_mount        *mp,
         xfs_agnumber_t          agno,
         xfs_agblock_t           fbno,
@@ -318,8 +318,8 @@ xfs_alloc_busy_reuse(
 restart:
         rbp = pag->pagb_tree.rb_node;
         while (rbp) {
-                struct xfs_busy_extent *busyp =
-                        rb_entry(rbp, struct xfs_busy_extent, rb_node);
+                struct xfs_extent_busy *busyp =
+                        rb_entry(rbp, struct xfs_extent_busy, rb_node);
                 xfs_agblock_t   bbno = busyp->bno;
                 xfs_agblock_t   bend = bbno + busyp->length;
 
@@ -331,7 +331,7 @@ restart:
                         continue;
                 }
 
-                if (!xfs_alloc_busy_update_extent(mp, pag, busyp, fbno, flen,
+                if (!xfs_extent_busy_update_extent(mp, pag, busyp, fbno, flen,
                                                   userdata))
                         goto restart;
         }
@@ -346,7 +346,7 @@ restart:
  * code needs to force out the log and retry the allocation.
  */
 STATIC void
-xfs_alloc_busy_trim(
+xfs_extent_busy_trim(
         struct xfs_alloc_arg    *args,
         xfs_agblock_t           bno,
         xfs_extlen_t            len,
@@ -365,8 +365,8 @@ restart:
         flen = len;
         rbp = args->pag->pagb_tree.rb_node;
         while (rbp && flen >= args->minlen) {
-                struct xfs_busy_extent *busyp =
-                        rb_entry(rbp, struct xfs_busy_extent, rb_node);
+                struct xfs_extent_busy *busyp =
+                        rb_entry(rbp, struct xfs_extent_busy, rb_node);
                 xfs_agblock_t   fend = fbno + flen;
                 xfs_agblock_t   bbno = busyp->bno;
                 xfs_agblock_t   bend = bbno + busyp->length;
@@ -384,8 +384,8 @@ restart:
                  * extent instead of trimming the allocation.
                  */
                 if (!args->userdata &&
-                    !(busyp->flags & XFS_ALLOC_BUSY_DISCARDED)) {
-                        if (!xfs_alloc_busy_update_extent(args->mp, args->pag,
+                    !(busyp->flags & XFS_EXTENT_BUSY_DISCARDED)) {
+                        if (!xfs_extent_busy_update_extent(args->mp, args->pag,
                                                           busyp, fbno, flen,
                                                           false))
                                 goto restart;
@@ -517,7 +517,7 @@ restart:
         spin_unlock(&args->pag->pagb_lock);
 
         if (fbno != bno || flen != len) {
-                trace_xfs_alloc_busy_trim(args->mp, args->agno, bno, len,
+                trace_xfs_extent_busy_trim(args->mp, args->agno, bno, len,
                                           fbno, flen);
         }
         *rbno = fbno;
@@ -529,19 +529,19 @@ fail:
          * re-check if the trimmed extent satisfies the minlen requirement.
          */
         spin_unlock(&args->pag->pagb_lock);
-        trace_xfs_alloc_busy_trim(args->mp, args->agno, bno, len, fbno, 0);
+        trace_xfs_extent_busy_trim(args->mp, args->agno, bno, len, fbno, 0);
         *rbno = fbno;
         *rlen = 0;
 }
 
-static void
-xfs_alloc_busy_clear_one(
+STATIC void
+xfs_extent_busy_clear_one(
         struct xfs_mount        *mp,
         struct xfs_perag        *pag,
-        struct xfs_busy_extent  *busyp)
+        struct xfs_extent_busy  *busyp)
 {
         if (busyp->length) {
-                trace_xfs_alloc_busy_clear(mp, busyp->agno, busyp->bno,
+                trace_xfs_extent_busy_clear(mp, busyp->agno, busyp->bno,
                                                 busyp->length);
                 rb_erase(&busyp->rb_node, &pag->pagb_tree);
         }
@@ -556,12 +556,12 @@ xfs_alloc_busy_clear_one(
  * these as undergoing a discard operation instead.
  */
 void
-xfs_alloc_busy_clear(
+xfs_extent_busy_clear(
         struct xfs_mount        *mp,
         struct list_head        *list,
         bool                    do_discard)
 {
-        struct xfs_busy_extent  *busyp, *n;
+        struct xfs_extent_busy  *busyp, *n;
         struct xfs_perag        *pag = NULL;
         xfs_agnumber_t          agno = NULLAGNUMBER;
 
@@ -577,10 +577,10 @@ xfs_alloc_busy_clear(
                 }
 
                 if (do_discard && busyp->length &&
-                    !(busyp->flags & XFS_ALLOC_BUSY_SKIP_DISCARD))
-                        busyp->flags = XFS_ALLOC_BUSY_DISCARDED;
+                    !(busyp->flags & XFS_EXTENT_BUSY_SKIP_DISCARD))
+                        busyp->flags = XFS_EXTENT_BUSY_DISCARDED;
                 else
-                        xfs_alloc_busy_clear_one(mp, pag, busyp);
+                        xfs_extent_busy_clear_one(mp, pag, busyp);
         }
 
         if (pag) {
@@ -593,11 +593,11 @@ xfs_alloc_busy_clear(
  * Callback for list_sort to sort busy extents by the AG they reside in.
  */
 int
-xfs_alloc_busy_ag_cmp(
+xfs_extent_busy_ag_cmp(
         void                    *priv,
         struct list_head        *a,
         struct list_head        *b)
 {
-        return container_of(a, struct xfs_busy_extent, list)->agno -
-                container_of(b, struct xfs_busy_extent, list)->agno;
+        return container_of(a, struct xfs_extent_busy, list)->agno -
+                container_of(b, struct xfs_extent_busy, list)->agno;
 }
diff --git a/fs/xfs/xfs_extent_busy.h b/fs/xfs/xfs_extent_busy.h
index 671b501f13e5..91f2fcbb2001 100644
--- a/fs/xfs/xfs_extent_busy.h
+++ b/fs/xfs/xfs_extent_busy.h
@@ -27,39 +27,39 @@
  * Note that we use the transaction ID to record the transaction, not the
  * transaction structure itself. See xfs_extent_busy_insert() for details.
  */
-struct xfs_busy_extent {
+struct xfs_extent_busy {
         struct rb_node  rb_node;        /* ag by-bno indexed search tree */
         struct list_head list;          /* transaction busy extent list */
         xfs_agnumber_t  agno;
         xfs_agblock_t   bno;
         xfs_extlen_t    length;
         unsigned int    flags;
-#define XFS_ALLOC_BUSY_DISCARDED        0x01    /* undergoing a discard op. */
-#define XFS_ALLOC_BUSY_SKIP_DISCARD     0x02    /* do not discard */
+#define XFS_EXTENT_BUSY_DISCARDED       0x01    /* undergoing a discard op. */
+#define XFS_EXTENT_BUSY_SKIP_DISCARD    0x02    /* do not discard */
 };
 
 void
-xfs_alloc_busy_insert(struct xfs_trans *tp, xfs_agnumber_t agno,
+xfs_extent_busy_insert(struct xfs_trans *tp, xfs_agnumber_t agno,
         xfs_agblock_t bno, xfs_extlen_t len, unsigned int flags);
 
 void
-xfs_alloc_busy_clear(struct xfs_mount *mp, struct list_head *list,
+xfs_extent_busy_clear(struct xfs_mount *mp, struct list_head *list,
         bool do_discard);
 
 int
-xfs_alloc_busy_search(struct xfs_mount *mp, xfs_agnumber_t agno,
+xfs_extent_busy_search(struct xfs_mount *mp, xfs_agnumber_t agno,
         xfs_agblock_t bno, xfs_extlen_t len);
 
 void
-xfs_alloc_busy_reuse(struct xfs_mount *mp, xfs_agnumber_t agno,
+xfs_extent_busy_reuse(struct xfs_mount *mp, xfs_agnumber_t agno,
         xfs_agblock_t fbno, xfs_extlen_t flen, bool userdata);
 
 int
-xfs_alloc_busy_ag_cmp(void *priv, struct list_head *a, struct list_head *b);
+xfs_extent_busy_ag_cmp(void *priv, struct list_head *a, struct list_head *b);
 
-static inline void xfs_alloc_busy_sort(struct list_head *list)
+static inline void xfs_extent_busy_sort(struct list_head *list)
 {
-        list_sort(NULL, list, xfs_alloc_busy_ag_cmp);
+        list_sort(NULL, list, xfs_extent_busy_ag_cmp);
 }
 
 #endif /* __XFS_EXTENT_BUSY_H__ */
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index a6e3e71e3f88..601ccf02618a 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -338,8 +338,8 @@ xlog_cil_committed(
         xfs_trans_committed_bulk(ctx->cil->xc_log->l_ailp, ctx->lv_chain,
                                         ctx->start_lsn, abort);
 
-        xfs_alloc_busy_sort(&ctx->busy_extents);
-        xfs_alloc_busy_clear(mp, &ctx->busy_extents,
+        xfs_extent_busy_sort(&ctx->busy_extents);
+        xfs_extent_busy_clear(mp, &ctx->busy_extents,
                              (mp->m_flags & XFS_MOUNT_DISCARD) && !abort);
 
         spin_lock(&ctx->cil->xc_cil_lock);
@@ -352,7 +352,7 @@ xlog_cil_committed(
                 ASSERT(mp->m_flags & XFS_MOUNT_DISCARD);
 
                 xfs_discard_extents(mp, &ctx->busy_extents);
-                xfs_alloc_busy_clear(mp, &ctx->busy_extents, false);
+                xfs_extent_busy_clear(mp, &ctx->busy_extents, false);
         }
 
         kmem_free(ctx);
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 900764c450a8..febff43176f1 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -1142,7 +1142,7 @@ TRACE_EVENT(xfs_bunmap,
 
 );
 
-DECLARE_EVENT_CLASS(xfs_busy_class,
+DECLARE_EVENT_CLASS(xfs_extent_busy_class,
         TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,
                  xfs_agblock_t agbno, xfs_extlen_t len),
         TP_ARGS(mp, agno, agbno, len),
@@ -1165,17 +1165,17 @@ DECLARE_EVENT_CLASS(xfs_busy_class,
                   __entry->len)
 );
 #define DEFINE_BUSY_EVENT(name) \
-DEFINE_EVENT(xfs_busy_class, name, \
+DEFINE_EVENT(xfs_extent_busy_class, name, \
         TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \
                  xfs_agblock_t agbno, xfs_extlen_t len), \
         TP_ARGS(mp, agno, agbno, len))
-DEFINE_BUSY_EVENT(xfs_alloc_busy);
-DEFINE_BUSY_EVENT(xfs_alloc_busy_enomem);
-DEFINE_BUSY_EVENT(xfs_alloc_busy_force);
-DEFINE_BUSY_EVENT(xfs_alloc_busy_reuse);
-DEFINE_BUSY_EVENT(xfs_alloc_busy_clear);
+DEFINE_BUSY_EVENT(xfs_extent_busy);
+DEFINE_BUSY_EVENT(xfs_extent_busy_enomem);
+DEFINE_BUSY_EVENT(xfs_extent_busy_force);
+DEFINE_BUSY_EVENT(xfs_extent_busy_reuse);
+DEFINE_BUSY_EVENT(xfs_extent_busy_clear);
 
-TRACE_EVENT(xfs_alloc_busy_trim,
+TRACE_EVENT(xfs_extent_busy_trim,
         TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,
                  xfs_agblock_t agbno, xfs_extlen_t len,
                  xfs_agblock_t tbno, xfs_extlen_t tlen),
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index d8bdb618ec19..f674855c8dc9 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -608,8 +608,8 @@ STATIC void
 xfs_trans_free(
         struct xfs_trans        *tp)
 {
-        xfs_alloc_busy_sort(&tp->t_busy);
-        xfs_alloc_busy_clear(tp->t_mountp, &tp->t_busy, false);
+        xfs_extent_busy_sort(&tp->t_busy);
+        xfs_extent_busy_clear(tp->t_mountp, &tp->t_busy, false);
 
         atomic_dec(&tp->t_mountp->m_active_trans);
         xfs_trans_free_dqinfo(tp);