1 files changed, 51 insertions, 50 deletions

diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index 8e9a40aa0cd3..012a649a19c3 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -55,17 +55,17 @@ xfs_alloc_search_busy(xfs_trans_t *tp,
 ktrace_t *xfs_alloc_trace_buf;
 
 #define TRACE_ALLOC(s,a)        \
-        xfs_alloc_trace_alloc(fname, s, a, __LINE__)
+        xfs_alloc_trace_alloc(__FUNCTION__, s, a, __LINE__)
 #define TRACE_FREE(s,a,b,x,f)   \
-        xfs_alloc_trace_free(fname, s, mp, a, b, x, f, __LINE__)
+        xfs_alloc_trace_free(__FUNCTION__, s, mp, a, b, x, f, __LINE__)
 #define TRACE_MODAGF(s,a,f)     \
-        xfs_alloc_trace_modagf(fname, s, mp, a, f, __LINE__)
-#define TRACE_BUSY(fname,s,ag,agb,l,sl,tp)      \
-        xfs_alloc_trace_busy(fname, s, mp, ag, agb, l, sl, tp, XFS_ALLOC_KTRACE_BUSY, __LINE__)
-#define TRACE_UNBUSY(fname,s,ag,sl,tp)  \
-        xfs_alloc_trace_busy(fname, s, mp, ag, -1, -1, sl, tp, XFS_ALLOC_KTRACE_UNBUSY, __LINE__)
-#define TRACE_BUSYSEARCH(fname,s,ag,agb,l,sl,tp)        \
-        xfs_alloc_trace_busy(fname, s, mp, ag, agb, l, sl, tp, XFS_ALLOC_KTRACE_BUSYSEARCH, __LINE__)
+        xfs_alloc_trace_modagf(__FUNCTION__, s, mp, a, f, __LINE__)
+#define TRACE_BUSY(__FUNCTION__,s,ag,agb,l,sl,tp)       \
+        xfs_alloc_trace_busy(__FUNCTION__, s, mp, ag, agb, l, sl, tp, XFS_ALLOC_KTRACE_BUSY, __LINE__)
+#define TRACE_UNBUSY(__FUNCTION__,s,ag,sl,tp)   \
+        xfs_alloc_trace_busy(__FUNCTION__, s, mp, ag, -1, -1, sl, tp, XFS_ALLOC_KTRACE_UNBUSY, __LINE__)
+#define TRACE_BUSYSEARCH(__FUNCTION__,s,ag,agb,l,sl,tp) \
+        xfs_alloc_trace_busy(__FUNCTION__, s, mp, ag, agb, l, sl, tp, XFS_ALLOC_KTRACE_BUSYSEARCH, __LINE__)
 #else
 #define TRACE_ALLOC(s,a)
 #define TRACE_FREE(s,a,b,x,f)
@@ -420,7 +420,7 @@ xfs_alloc_read_agfl(
  */
 STATIC void
 xfs_alloc_trace_alloc(
-        char            *name,          /* function tag string */
+        const char      *name,          /* function tag string */
         char            *str,           /* additional string */
         xfs_alloc_arg_t *args,          /* allocation argument structure */
         int             line)           /* source line number */
@@ -453,7 +453,7 @@ xfs_alloc_trace_alloc(
  */
 STATIC void
 xfs_alloc_trace_free(
-        char            *name,          /* function tag string */
+        const char      *name,          /* function tag string */
         char            *str,           /* additional string */
         xfs_mount_t     *mp,            /* file system mount point */
         xfs_agnumber_t  agno,           /* allocation group number */
@@ -479,7 +479,7 @@ xfs_alloc_trace_free(
  */
 STATIC void
 xfs_alloc_trace_modagf(
-        char            *name,          /* function tag string */
+        const char      *name,          /* function tag string */
         char            *str,           /* additional string */
         xfs_mount_t     *mp,            /* file system mount point */
         xfs_agf_t       *agf,           /* new agf value */
@@ -507,7 +507,7 @@ xfs_alloc_trace_modagf(
 
 STATIC void
 xfs_alloc_trace_busy(
-        char            *name,          /* function tag string */
+        const char      *name,          /* function tag string */
         char            *str,           /* additional string */
         xfs_mount_t     *mp,            /* file system mount point */
         xfs_agnumber_t  agno,           /* allocation group number */
@@ -549,9 +549,6 @@ xfs_alloc_ag_vextent(
         xfs_alloc_arg_t *args)  /* argument structure for allocation */
 {
         int             error=0;
-#ifdef XFS_ALLOC_TRACE
-        static char     fname[] = "xfs_alloc_ag_vextent";
-#endif
 
         ASSERT(args->minlen > 0);
         ASSERT(args->maxlen > 0);
@@ -635,9 +632,6 @@ xfs_alloc_ag_vextent_exact(
         xfs_agblock_t   fbno;   /* start block of found extent */
         xfs_agblock_t   fend;   /* end block of found extent */
         xfs_extlen_t    flen;   /* length of found extent */
-#ifdef XFS_ALLOC_TRACE
-        static char     fname[] = "xfs_alloc_ag_vextent_exact";
-#endif
         int             i;      /* success/failure of operation */
         xfs_agblock_t   maxend; /* end of maximal extent */
         xfs_agblock_t   minend; /* end of minimal extent */
@@ -737,9 +731,6 @@ xfs_alloc_ag_vextent_near(
         xfs_btree_cur_t *bno_cur_gt;    /* cursor for bno btree, right side */
         xfs_btree_cur_t *bno_cur_lt;    /* cursor for bno btree, left side */
         xfs_btree_cur_t *cnt_cur;       /* cursor for count btree */
-#ifdef XFS_ALLOC_TRACE
-        static char     fname[] = "xfs_alloc_ag_vextent_near";
-#endif
         xfs_agblock_t   gtbno;          /* start bno of right side entry */
         xfs_agblock_t   gtbnoa;         /* aligned ... */
         xfs_extlen_t    gtdiff;         /* difference to right side entry */
@@ -1270,9 +1261,6 @@ xfs_alloc_ag_vextent_size(
         int             error;          /* error result */
         xfs_agblock_t   fbno;           /* start of found freespace */
         xfs_extlen_t    flen;           /* length of found freespace */
-#ifdef XFS_ALLOC_TRACE
-        static char     fname[] = "xfs_alloc_ag_vextent_size";
-#endif
         int             i;              /* temp status variable */
         xfs_agblock_t   rbno;           /* returned block number */
         xfs_extlen_t    rlen;           /* length of returned extent */
@@ -1427,9 +1415,6 @@ xfs_alloc_ag_vextent_small(
         int             error;
         xfs_agblock_t   fbno;
         xfs_extlen_t    flen;
-#ifdef XFS_ALLOC_TRACE
-        static char     fname[] = "xfs_alloc_ag_vextent_small";
-#endif
         int             i;
 
         if ((error = xfs_alloc_decrement(ccur, 0, &i)))
@@ -1447,7 +1432,8 @@ xfs_alloc_ag_vextent_small(
         else if (args->minlen == 1 && args->alignment == 1 && !args->isfl &&
                  (be32_to_cpu(XFS_BUF_TO_AGF(args->agbp)->agf_flcount)
                   > args->minleft)) {
-                if ((error = xfs_alloc_get_freelist(args->tp, args->agbp, &fbno)))
+                error = xfs_alloc_get_freelist(args->tp, args->agbp, &fbno, 0);
+                if (error)
                         goto error0;
                 if (fbno != NULLAGBLOCK) {
                         if (args->userdata) {
@@ -1515,9 +1501,6 @@ xfs_free_ag_extent(
         xfs_btree_cur_t *bno_cur;       /* cursor for by-block btree */
         xfs_btree_cur_t *cnt_cur;       /* cursor for by-size btree */
         int             error;          /* error return value */
-#ifdef XFS_ALLOC_TRACE
-        static char     fname[] = "xfs_free_ag_extent";
-#endif
         xfs_agblock_t   gtbno;          /* start of right neighbor block */
         xfs_extlen_t    gtlen;          /* length of right neighbor block */
         int             haveleft;       /* have a left neighbor block */
@@ -1923,7 +1906,8 @@ xfs_alloc_fix_freelist(
         while (be32_to_cpu(agf->agf_flcount) > need) {
                 xfs_buf_t       *bp;
 
-                if ((error = xfs_alloc_get_freelist(tp, agbp, &bno)))
+                error = xfs_alloc_get_freelist(tp, agbp, &bno, 0);
+                if (error)
                         return error;
                 if ((error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1, 1)))
                         return error;
@@ -1973,8 +1957,9 @@ xfs_alloc_fix_freelist(
                  * Put each allocated block on the list.
                  */
                 for (bno = targs.agbno; bno < targs.agbno + targs.len; bno++) {
-                        if ((error = xfs_alloc_put_freelist(tp, agbp, agflbp,
-                                        bno)))
+                        error = xfs_alloc_put_freelist(tp, agbp,
+                                                        agflbp, bno, 0);
+                        if (error)
                                 return error;
                 }
         }
@@ -1991,16 +1976,15 @@ int				/* error */
 xfs_alloc_get_freelist(
         xfs_trans_t     *tp,    /* transaction pointer */
         xfs_buf_t       *agbp,  /* buffer containing the agf structure */
-        xfs_agblock_t   *bnop)  /* block address retrieved from freelist */
+        xfs_agblock_t   *bnop,  /* block address retrieved from freelist */
+        int             btreeblk) /* destination is a AGF btree */
 {
         xfs_agf_t       *agf;   /* a.g. freespace structure */
         xfs_agfl_t      *agfl;  /* a.g. freelist structure */
         xfs_buf_t       *agflbp;/* buffer for a.g. freelist structure */
         xfs_agblock_t   bno;    /* block number returned */
         int             error;
-#ifdef XFS_ALLOC_TRACE
-        static char     fname[] = "xfs_alloc_get_freelist";
-#endif
+        int             logflags;
         xfs_mount_t     *mp;    /* mount structure */
         xfs_perag_t     *pag;   /* per allocation group data */
 
@@ -2032,8 +2016,16 @@ xfs_alloc_get_freelist(
         be32_add(&agf->agf_flcount, -1);
         xfs_trans_agflist_delta(tp, -1);
         pag->pagf_flcount--;
-        TRACE_MODAGF(NULL, agf, XFS_AGF_FLFIRST | XFS_AGF_FLCOUNT);
-        xfs_alloc_log_agf(tp, agbp, XFS_AGF_FLFIRST | XFS_AGF_FLCOUNT);
+
+        logflags = XFS_AGF_FLFIRST | XFS_AGF_FLCOUNT;
+        if (btreeblk) {
+                be32_add(&agf->agf_btreeblks, 1);
+                pag->pagf_btreeblks++;
+                logflags |= XFS_AGF_BTREEBLKS;
+        }
+
+        TRACE_MODAGF(NULL, agf, logflags);
+        xfs_alloc_log_agf(tp, agbp, logflags);
         *bnop = bno;
 
         /*
@@ -2071,6 +2063,7 @@ xfs_alloc_log_agf(
                 offsetof(xfs_agf_t, agf_flcount),
                 offsetof(xfs_agf_t, agf_freeblks),
                 offsetof(xfs_agf_t, agf_longest),
+                offsetof(xfs_agf_t, agf_btreeblks),
                 sizeof(xfs_agf_t)
         };
 
@@ -2106,15 +2099,14 @@ xfs_alloc_put_freelist(
         xfs_trans_t             *tp,    /* transaction pointer */
         xfs_buf_t               *agbp,  /* buffer for a.g. freelist header */
         xfs_buf_t               *agflbp,/* buffer for a.g. free block array */
-        xfs_agblock_t           bno)    /* block being freed */
+        xfs_agblock_t           bno,    /* block being freed */
+        int                     btreeblk) /* block came from a AGF btree */
 {
         xfs_agf_t               *agf;   /* a.g. freespace structure */
         xfs_agfl_t              *agfl;  /* a.g. free block array */
         __be32                  *blockp;/* pointer to array entry */
         int                     error;
-#ifdef XFS_ALLOC_TRACE
-        static char             fname[] = "xfs_alloc_put_freelist";
-#endif
+        int                     logflags;
         xfs_mount_t             *mp;    /* mount structure */
         xfs_perag_t             *pag;   /* per allocation group data */
 
@@ -2132,11 +2124,22 @@ xfs_alloc_put_freelist(
         be32_add(&agf->agf_flcount, 1);
         xfs_trans_agflist_delta(tp, 1);
         pag->pagf_flcount++;
+
+        logflags = XFS_AGF_FLLAST | XFS_AGF_FLCOUNT;
+        if (btreeblk) {
+                be32_add(&agf->agf_btreeblks, -1);
+                pag->pagf_btreeblks--;
+                logflags |= XFS_AGF_BTREEBLKS;
+        }
+
+        TRACE_MODAGF(NULL, agf, logflags);
+        xfs_alloc_log_agf(tp, agbp, logflags);
+
         ASSERT(be32_to_cpu(agf->agf_flcount) <= XFS_AGFL_SIZE(mp));
         blockp = &agfl->agfl_bno[be32_to_cpu(agf->agf_fllast)];
         *blockp = cpu_to_be32(bno);
-        TRACE_MODAGF(NULL, agf, XFS_AGF_FLLAST | XFS_AGF_FLCOUNT);
-        xfs_alloc_log_agf(tp, agbp, XFS_AGF_FLLAST | XFS_AGF_FLCOUNT);
+        TRACE_MODAGF(NULL, agf, logflags);
+        xfs_alloc_log_agf(tp, agbp, logflags);
         xfs_trans_log_buf(tp, agflbp,
                 (int)((xfs_caddr_t)blockp - (xfs_caddr_t)agfl),
                 (int)((xfs_caddr_t)blockp - (xfs_caddr_t)agfl +
@@ -2196,6 +2199,7 @@ xfs_alloc_read_agf(
         pag = &mp->m_perag[agno];
         if (!pag->pagf_init) {
                 pag->pagf_freeblks = be32_to_cpu(agf->agf_freeblks);
+                pag->pagf_btreeblks = be32_to_cpu(agf->agf_btreeblks);
                 pag->pagf_flcount = be32_to_cpu(agf->agf_flcount);
                 pag->pagf_longest = be32_to_cpu(agf->agf_longest);
                 pag->pagf_levels[XFS_BTNUM_BNOi] =
@@ -2235,9 +2239,6 @@ xfs_alloc_vextent(
         xfs_agblock_t   agsize; /* allocation group size */
         int             error;
         int             flags;  /* XFS_ALLOC_FLAG_... locking flags */
-#ifdef XFS_ALLOC_TRACE
-        static char     fname[] = "xfs_alloc_vextent";
-#endif
         xfs_extlen_t    minleft;/* minimum left value, temp copy */
         xfs_mount_t     *mp;    /* mount structure pointer */
         xfs_agnumber_t  sagno;  /* starting allocation group number */