#include "xfs_error.h"
#include "xfs_quota.h"
-#undef EXIT
-
-#define ENTRY XBT_ENTRY
-#define ERROR XBT_ERROR
-#define EXIT XBT_EXIT
-
-/*
- * Keep the XFS_BMBT_TRACE_ names around for now until all code using them
- * is converted to be generic and thus switches to the XFS_BTREE_TRACE_ names.
- */
-#define XFS_BMBT_TRACE_ARGBI(c,b,i) \
- XFS_BTREE_TRACE_ARGBI(c,b,i)
-#define XFS_BMBT_TRACE_ARGBII(c,b,i,j) \
- XFS_BTREE_TRACE_ARGBII(c,b,i,j)
-#define XFS_BMBT_TRACE_ARGFFFI(c,o,b,i,j) \
- XFS_BTREE_TRACE_ARGFFFI(c,o,b,i,j)
-#define XFS_BMBT_TRACE_ARGI(c,i) \
- XFS_BTREE_TRACE_ARGI(c,i)
-#define XFS_BMBT_TRACE_ARGIFK(c,i,f,s) \
- XFS_BTREE_TRACE_ARGIPK(c,i,(union xfs_btree_ptr)f,s)
-#define XFS_BMBT_TRACE_ARGIFR(c,i,f,r) \
- XFS_BTREE_TRACE_ARGIPR(c,i, \
- (union xfs_btree_ptr)f, (union xfs_btree_rec *)r)
-#define XFS_BMBT_TRACE_ARGIK(c,i,k) \
- XFS_BTREE_TRACE_ARGIK(c,i,(union xfs_btree_key *)k)
-#define XFS_BMBT_TRACE_CURSOR(c,s) \
- XFS_BTREE_TRACE_CURSOR(c,s)
-
/*
* Determine the extent state.
*/
*/
void
xfs_bmdr_to_bmbt(
+ struct xfs_mount *mp,
xfs_bmdr_block_t *dblock,
int dblocklen,
- xfs_bmbt_block_t *rblock,
+ struct xfs_btree_block *rblock,
int rblocklen)
{
int dmxr;
rblock->bb_level = dblock->bb_level;
ASSERT(be16_to_cpu(rblock->bb_level) > 0);
rblock->bb_numrecs = dblock->bb_numrecs;
- rblock->bb_leftsib = cpu_to_be64(NULLDFSBNO);
- rblock->bb_rightsib = cpu_to_be64(NULLDFSBNO);
- dmxr = (int)XFS_BTREE_BLOCK_MAXRECS(dblocklen, xfs_bmdr, 0);
- fkp = XFS_BTREE_KEY_ADDR(xfs_bmdr, dblock, 1);
- tkp = XFS_BMAP_BROOT_KEY_ADDR(rblock, 1, rblocklen);
- fpp = XFS_BTREE_PTR_ADDR(xfs_bmdr, dblock, 1, dmxr);
- tpp = XFS_BMAP_BROOT_PTR_ADDR(rblock, 1, rblocklen);
+ rblock->bb_u.l.bb_leftsib = cpu_to_be64(NULLDFSBNO);
+ rblock->bb_u.l.bb_rightsib = cpu_to_be64(NULLDFSBNO);
+ dmxr = xfs_bmdr_maxrecs(mp, dblocklen, 0);
+ fkp = XFS_BMDR_KEY_ADDR(dblock, 1);
+ tkp = XFS_BMBT_KEY_ADDR(mp, rblock, 1);
+ fpp = XFS_BMDR_PTR_ADDR(dblock, 1, dmxr);
+ tpp = XFS_BMAP_BROOT_PTR_ADDR(mp, rblock, 1, rblocklen);
dmxr = be16_to_cpu(dblock->bb_numrecs);
memcpy(tkp, fkp, sizeof(*fkp) * dmxr);
memcpy(tpp, fpp, sizeof(*fpp) * dmxr);
xfs_bmbt_rec_t *r,
xfs_bmbt_irec_t *s)
{
- __xfs_bmbt_get_all(be64_to_cpu(r->l0), be64_to_cpu(r->l1), s);
+ __xfs_bmbt_get_all(get_unaligned_be64(&r->l0),
+ get_unaligned_be64(&r->l1), s);
}
/*
XFS_MASK64LO(64 - BMBT_EXNTFLAG_BITLEN)) >> 9;
}
-/*
- * Log fields from the btree block header.
- */
-void
-xfs_bmbt_log_block(
- xfs_btree_cur_t *cur,
- xfs_buf_t *bp,
- int fields)
-{
- int first;
- int last;
- xfs_trans_t *tp;
- static const short offsets[] = {
- offsetof(xfs_bmbt_block_t, bb_magic),
- offsetof(xfs_bmbt_block_t, bb_level),
- offsetof(xfs_bmbt_block_t, bb_numrecs),
- offsetof(xfs_bmbt_block_t, bb_leftsib),
- offsetof(xfs_bmbt_block_t, bb_rightsib),
- sizeof(xfs_bmbt_block_t)
- };
-
- XFS_BMBT_TRACE_CURSOR(cur, ENTRY);
- XFS_BMBT_TRACE_ARGBI(cur, bp, fields);
- tp = cur->bc_tp;
- if (bp) {
- xfs_btree_offsets(fields, offsets, XFS_BB_NUM_BITS, &first,
- &last);
- xfs_trans_log_buf(tp, bp, first, last);
- } else
- xfs_trans_log_inode(tp, cur->bc_private.b.ip,
- XFS_ILOG_FBROOT(cur->bc_private.b.whichfork));
- XFS_BMBT_TRACE_CURSOR(cur, EXIT);
-}
-
-/*
- * Log record values from the btree block.
- */
-void
-xfs_bmbt_log_recs(
- xfs_btree_cur_t *cur,
- xfs_buf_t *bp,
- int rfirst,
- int rlast)
-{
- xfs_bmbt_block_t *block;
- int first;
- int last;
- xfs_bmbt_rec_t *rp;
- xfs_trans_t *tp;
-
- XFS_BMBT_TRACE_CURSOR(cur, ENTRY);
- XFS_BMBT_TRACE_ARGBII(cur, bp, rfirst, rlast);
- ASSERT(bp);
- tp = cur->bc_tp;
- block = XFS_BUF_TO_BMBT_BLOCK(bp);
- rp = XFS_BMAP_REC_DADDR(block, 1, cur);
- first = (int)((xfs_caddr_t)&rp[rfirst - 1] - (xfs_caddr_t)block);
- last = (int)(((xfs_caddr_t)&rp[rlast] - 1) - (xfs_caddr_t)block);
- xfs_trans_log_buf(tp, bp, first, last);
- XFS_BMBT_TRACE_CURSOR(cur, EXIT);
-}
/*
* Set all the fields in a bmap extent record from the arguments.
*/
void
xfs_bmbt_to_bmdr(
- xfs_bmbt_block_t *rblock,
+ struct xfs_mount *mp,
+ struct xfs_btree_block *rblock,
int rblocklen,
xfs_bmdr_block_t *dblock,
int dblocklen)
__be64 *tpp;
ASSERT(be32_to_cpu(rblock->bb_magic) == XFS_BMAP_MAGIC);
- ASSERT(be64_to_cpu(rblock->bb_leftsib) == NULLDFSBNO);
- ASSERT(be64_to_cpu(rblock->bb_rightsib) == NULLDFSBNO);
+ ASSERT(be64_to_cpu(rblock->bb_u.l.bb_leftsib) == NULLDFSBNO);
+ ASSERT(be64_to_cpu(rblock->bb_u.l.bb_rightsib) == NULLDFSBNO);
ASSERT(be16_to_cpu(rblock->bb_level) > 0);
dblock->bb_level = rblock->bb_level;
dblock->bb_numrecs = rblock->bb_numrecs;
- dmxr = (int)XFS_BTREE_BLOCK_MAXRECS(dblocklen, xfs_bmdr, 0);
- fkp = XFS_BMAP_BROOT_KEY_ADDR(rblock, 1, rblocklen);
- tkp = XFS_BTREE_KEY_ADDR(xfs_bmdr, dblock, 1);
- fpp = XFS_BMAP_BROOT_PTR_ADDR(rblock, 1, rblocklen);
- tpp = XFS_BTREE_PTR_ADDR(xfs_bmdr, dblock, 1, dmxr);
+ dmxr = xfs_bmdr_maxrecs(mp, dblocklen, 0);
+ fkp = XFS_BMBT_KEY_ADDR(mp, rblock, 1);
+ tkp = XFS_BMDR_KEY_ADDR(dblock, 1);
+ fpp = XFS_BMAP_BROOT_PTR_ADDR(mp, rblock, 1, rblocklen);
+ tpp = XFS_BMDR_PTR_ADDR(dblock, 1, dmxr);
dmxr = be16_to_cpu(dblock->bb_numrecs);
memcpy(tkp, fkp, sizeof(*fkp) * dmxr);
memcpy(tpp, fpp, sizeof(*fpp) * dmxr);
struct xfs_btree_cur *cur,
int level)
{
- return XFS_BMAP_BLOCK_IMINRECS(level, cur);
+ if (level == cur->bc_nlevels - 1) {
+ struct xfs_ifork *ifp;
+
+ ifp = XFS_IFORK_PTR(cur->bc_private.b.ip,
+ cur->bc_private.b.whichfork);
+
+ return xfs_bmbt_maxrecs(cur->bc_mp,
+ ifp->if_broot_bytes, level == 0) / 2;
+ }
+
+ return cur->bc_mp->m_bmap_dmnr[level != 0];
}
-STATIC int
+int
xfs_bmbt_get_maxrecs(
struct xfs_btree_cur *cur,
int level)
{
- return XFS_BMAP_BLOCK_IMAXRECS(level, cur);
+ if (level == cur->bc_nlevels - 1) {
+ struct xfs_ifork *ifp;
+
+ ifp = XFS_IFORK_PTR(cur->bc_private.b.ip,
+ cur->bc_private.b.whichfork);
+
+ return xfs_bmbt_maxrecs(cur->bc_mp,
+ ifp->if_broot_bytes, level == 0);
+ }
+
+ return cur->bc_mp->m_bmap_dmxr[level != 0];
+
}
/*
struct xfs_btree_cur *cur,
int level)
{
- return XFS_BMAP_BLOCK_DMAXRECS(level, cur);
+ if (level != cur->bc_nlevels - 1)
+ return cur->bc_mp->m_bmap_dmxr[level != 0];
+ return xfs_bmdr_maxrecs(cur->bc_mp, cur->bc_private.b.forksize,
+ level == 0);
}
STATIC void
cur->bc_rec.b.br_startoff;
}
+#ifdef DEBUG
+STATIC int
+xfs_bmbt_keys_inorder(
+ struct xfs_btree_cur *cur,
+ union xfs_btree_key *k1,
+ union xfs_btree_key *k2)
+{
+ return be64_to_cpu(k1->bmbt.br_startoff) <
+ be64_to_cpu(k2->bmbt.br_startoff);
+}
+
+STATIC int
+xfs_bmbt_recs_inorder(
+ struct xfs_btree_cur *cur,
+ union xfs_btree_rec *r1,
+ union xfs_btree_rec *r2)
+{
+ return xfs_bmbt_disk_get_startoff(&r1->bmbt) +
+ xfs_bmbt_disk_get_blockcount(&r1->bmbt) <=
+ xfs_bmbt_disk_get_startoff(&r2->bmbt);
+}
+#endif /* DEBUG */
+
#ifdef XFS_BTREE_TRACE
ktrace_t *xfs_bmbt_trace_buf;
.init_ptr_from_cur = xfs_bmbt_init_ptr_from_cur,
.key_diff = xfs_bmbt_key_diff,
+#ifdef DEBUG
+ .keys_inorder = xfs_bmbt_keys_inorder,
+ .recs_inorder = xfs_bmbt_recs_inorder,
+#endif
+
#ifdef XFS_BTREE_TRACE
.trace_enter = xfs_bmbt_trace_enter,
.trace_cursor = xfs_bmbt_trace_cursor,
return cur;
}
+
+/*
+ * Calculate number of records in a bmap btree block.
+ */
+int
+xfs_bmbt_maxrecs(
+ struct xfs_mount *mp,
+ int blocklen,
+ int leaf)
+{
+ blocklen -= XFS_BMBT_BLOCK_LEN(mp);
+
+ if (leaf)
+ return blocklen / sizeof(xfs_bmbt_rec_t);
+ return blocklen / (sizeof(xfs_bmbt_key_t) + sizeof(xfs_bmbt_ptr_t));
+}
+
+/*
+ * Calculate number of records in a bmap btree inode root.
+ */
+int
+xfs_bmdr_maxrecs(
+ struct xfs_mount *mp,
+ int blocklen,
+ int leaf)
+{
+ blocklen -= sizeof(xfs_bmdr_block_t);
+
+ if (leaf)
+ return blocklen / sizeof(xfs_bmdr_rec_t);
+ return blocklen / (sizeof(xfs_bmdr_key_t) + sizeof(xfs_bmdr_ptr_t));
+}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff