diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/libxfs/xfs_btree.c | 339 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_btree.h | 30 | ||||
| -rw-r--r-- | fs/xfs/xfs_trace.h | 36 |
3 files changed, 392 insertions, 13 deletions
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index 405442d8e780..5c1b35a23a3d 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -51,7 +51,6 @@ static const __uint32_t xfs_magics[2][XFS_BTNUM_MAX] = { #define xfs_btree_magic(cur) \ xfs_magics[!!((cur)->bc_flags & XFS_BTREE_CRC_BLOCKS)][cur->bc_btnum] - STATIC int /* error (0 or EFSCORRUPTED) */ xfs_btree_check_lblock( struct xfs_btree_cur *cur, /* btree cursor */ @@ -428,6 +427,50 @@ xfs_btree_dup_cursor( * into a btree block (xfs_btree_*_offset) or return a pointer to the given * record, key or pointer (xfs_btree_*_addr). Note that all addressing * inside the btree block is done using indices starting at one, not zero! + * + * If XFS_BTREE_OVERLAPPING is set, then this btree supports keys containing + * overlapping intervals. In such a tree, records are still sorted lowest to + * highest and indexed by the smallest key value that refers to the record. + * However, nodes are different: each pointer has two associated keys -- one + * indexing the lowest key available in the block(s) below (the same behavior + * as the key in a regular btree) and another indexing the highest key + * available in the block(s) below. Because records are /not/ sorted by the + * highest key, all leaf block updates require us to compute the highest key + * that matches any record in the leaf and to recursively update the high keys + * in the nodes going further up in the tree, if necessary. Nodes look like + * this: + * + * +--------+-----+-----+-----+-----+-----+-------+-------+-----+ + * Non-Leaf: | header | lo1 | hi1 | lo2 | hi2 | ... | ptr 1 | ptr 2 | ... | + * +--------+-----+-----+-----+-----+-----+-------+-------+-----+ + * + * To perform an interval query on an overlapped tree, perform the usual + * depth-first search and use the low and high keys to decide if we can skip + * that particular node. If a leaf node is reached, return the records that + * intersect the interval. Note that an interval query may return numerous + * entries. For a non-overlapped tree, simply search for the record associated + * with the lowest key and iterate forward until a non-matching record is + * found. Section 14.3 ("Interval Trees") of _Introduction to Algorithms_ by + * Cormen, Leiserson, Rivest, and Stein (2nd or 3rd ed. only) discuss this in + * more detail. + * + * Why do we care about overlapping intervals? Let's say you have a bunch of + * reverse mapping records on a reflink filesystem: + * + * 1: +- file A startblock B offset C length D -----------+ + * 2: +- file E startblock F offset G length H --------------+ + * 3: +- file I startblock F offset J length K --+ + * 4: +- file L... --+ + * + * Now say we want to map block (B+D) into file A at offset (C+D). Ideally, + * we'd simply increment the length of record 1. But how do we find the record + * that ends at (B+D-1) (i.e. record 1)? A LE lookup of (B+D-1) would return + * record 3 because the keys are ordered first by startblock. An interval + * query would return records 1 and 2 because they both overlap (B+D-1), and + * from that we can pick out record 1 as the appropriate left neighbor. + * + * In the non-overlapped case you can do a LE lookup and decrement the cursor + * because a record's interval must end before the next record. */ /* @@ -479,6 +522,18 @@ xfs_btree_key_offset( } /* + * Calculate offset of the n-th high key in a btree block. + */ +STATIC size_t +xfs_btree_high_key_offset( + struct xfs_btree_cur *cur, + int n) +{ + return xfs_btree_block_len(cur) + + (n - 1) * cur->bc_ops->key_len + (cur->bc_ops->key_len / 2); +} + +/* * Calculate offset of the n-th block pointer in a btree block. */ STATIC size_t @@ -519,6 +574,19 @@ xfs_btree_key_addr( } /* + * Return a pointer to the n-th high key in the btree block. + */ +STATIC union xfs_btree_key * +xfs_btree_high_key_addr( + struct xfs_btree_cur *cur, + int n, + struct xfs_btree_block *block) +{ + return (union xfs_btree_key *) + ((char *)block + xfs_btree_high_key_offset(cur, n)); +} + +/* * Return a pointer to the n-th block pointer in the btree block. */ STATIC union xfs_btree_ptr * @@ -1902,6 +1970,73 @@ xfs_btree_get_node_keys( memcpy(key, xfs_btree_key_addr(cur, 1, block), cur->bc_ops->key_len); } +/* Find the high key storage area from a regular key. */ +STATIC union xfs_btree_key * +xfs_btree_high_key_from_key( + struct xfs_btree_cur *cur, + union xfs_btree_key *key) +{ + ASSERT(cur->bc_flags & XFS_BTREE_OVERLAPPING); + return (union xfs_btree_key *)((char *)key + + (cur->bc_ops->key_len / 2)); +} + +/* Determine the low and high keys of a leaf block (overlapped) */ +void +xfs_btree_get_leaf_keys_overlapped( + struct xfs_btree_cur *cur, + struct xfs_btree_block *block, + union xfs_btree_key *key) +{ + int n; + union xfs_btree_rec *rec; + union xfs_btree_key max_hkey; + union xfs_btree_key hkey; + union xfs_btree_key *high; + + ASSERT(cur->bc_flags & XFS_BTREE_OVERLAPPING); + rec = xfs_btree_rec_addr(cur, 1, block); + cur->bc_ops->init_key_from_rec(key, rec); + + cur->bc_ops->init_high_key_from_rec(&max_hkey, rec); + for (n = 2; n <= xfs_btree_get_numrecs(block); n++) { + rec = xfs_btree_rec_addr(cur, n, block); + cur->bc_ops->init_high_key_from_rec(&hkey, rec); + if (cur->bc_ops->diff_two_keys(cur, &hkey, &max_hkey) > 0) + max_hkey = hkey; + } + + high = xfs_btree_high_key_from_key(cur, key); + memcpy(high, &max_hkey, cur->bc_ops->key_len / 2); +} + +/* Determine the low and high keys of a node block (overlapped) */ +void +xfs_btree_get_node_keys_overlapped( + struct xfs_btree_cur *cur, + struct xfs_btree_block *block, + union xfs_btree_key *key) +{ + int n; + union xfs_btree_key *hkey; + union xfs_btree_key *max_hkey; + union xfs_btree_key *high; + + ASSERT(cur->bc_flags & XFS_BTREE_OVERLAPPING); + memcpy(key, xfs_btree_key_addr(cur, 1, block), + cur->bc_ops->key_len / 2); + + max_hkey = xfs_btree_high_key_addr(cur, 1, block); + for (n = 2; n <= xfs_btree_get_numrecs(block); n++) { + hkey = xfs_btree_high_key_addr(cur, n, block); + if (cur->bc_ops->diff_two_keys(cur, hkey, max_hkey) > 0) + max_hkey = hkey; + } + + high = xfs_btree_high_key_from_key(cur, key); + memcpy(high, max_hkey, cur->bc_ops->key_len / 2); +} + /* Derive the keys for any btree block. */ STATIC void xfs_btree_get_keys( @@ -1918,14 +2053,107 @@ xfs_btree_get_keys( /* * Decide if we need to update the parent keys of a btree block. For * a standard btree this is only necessary if we're updating the first - * record/key. + * record/key. For an overlapping btree, we must always update the + * keys because the highest key can be in any of the records or keys + * in the block. */ static inline bool xfs_btree_needs_key_update( struct xfs_btree_cur *cur, int ptr) { - return ptr == 1; + return (cur->bc_flags & XFS_BTREE_OVERLAPPING) || ptr == 1; +} + +/* + * Update the low and high parent keys of the given level, progressing + * towards the root. If force_all is false, stop if the keys for a given + * level do not need updating. + */ +STATIC int +__xfs_btree_updkeys( + struct xfs_btree_cur *cur, + int level, + struct xfs_btree_block *block, + struct xfs_buf *bp0, + bool force_all) +{ + union xfs_btree_bigkey key; /* keys from current level */ + union xfs_btree_key *lkey; /* keys from the next level up */ + union xfs_btree_key *hkey; + union xfs_btree_key *nlkey; /* keys from the next level up */ + union xfs_btree_key *nhkey; + struct xfs_buf *bp; + int ptr; + + ASSERT(cur->bc_flags & XFS_BTREE_OVERLAPPING); + + /* Exit if there aren't any parent levels to update. */ + if (level + 1 >= cur->bc_nlevels) + return 0; + + trace_xfs_btree_updkeys(cur, level, bp0); + + lkey = (union xfs_btree_key *)&key; + hkey = xfs_btree_high_key_from_key(cur, lkey); + xfs_btree_get_keys(cur, block, lkey); + for (level++; level < cur->bc_nlevels; level++) { +#ifdef DEBUG + int error; +#endif + block = xfs_btree_get_block(cur, level, &bp); + trace_xfs_btree_updkeys(cur, level, bp); +#ifdef DEBUG + error = xfs_btree_check_block(cur, block, level, bp); + if (error) { + XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR); + return error; + } +#endif + ptr = cur->bc_ptrs[level]; + nlkey = xfs_btree_key_addr(cur, ptr, block); + nhkey = xfs_btree_high_key_addr(cur, ptr, block); + if (!force_all && + !(cur->bc_ops->diff_two_keys(cur, nlkey, lkey) != 0 || + cur->bc_ops->diff_two_keys(cur, nhkey, hkey) != 0)) + break; + xfs_btree_copy_keys(cur, nlkey, lkey, 1); + xfs_btree_log_keys(cur, bp, ptr, ptr); + if (level + 1 >= cur->bc_nlevels) + break; + cur->bc_ops->get_node_keys(cur, block, lkey); + } + + return 0; +} + +/* + * Update all the keys from some level in cursor back to the root, stopping + * when we find a key pair that don't need updating. + */ +int +xfs_btree_update_keys_overlapped( + struct xfs_btree_cur *cur, + int level) +{ + struct xfs_buf *bp; + struct xfs_btree_block *block; + + block = xfs_btree_get_block(cur, level, &bp); + return __xfs_btree_updkeys(cur, level, block, bp, false); +} + +/* Update all the keys from some level in cursor back to the root. */ +STATIC int +xfs_btree_updkeys_force( + struct xfs_btree_cur *cur, + int level) +{ + struct xfs_buf *bp; + struct xfs_btree_block *block; + + block = xfs_btree_get_block(cur, level, &bp); + return __xfs_btree_updkeys(cur, level, block, bp, true); } /* @@ -1942,6 +2170,8 @@ xfs_btree_update_keys( union xfs_btree_key key; int ptr; + ASSERT(!(cur->bc_flags & XFS_BTREE_OVERLAPPING)); + XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); XFS_BTREE_TRACE_ARGIK(cur, level, keyp); @@ -2021,7 +2251,7 @@ xfs_btree_update( ptr, LASTREC_UPDATE); } - /* Updating first rec in leaf. Pass new key value up to our parent. */ + /* Pass new key value up to our parent. */ if (xfs_btree_needs_key_update(cur, ptr)) { error = cur->bc_ops->update_keys(cur, 0); if (error) @@ -2052,12 +2282,14 @@ xfs_btree_lshift( int lrecs; /* left record count */ struct xfs_buf *rbp; /* right buffer pointer */ struct xfs_btree_block *right; /* right btree block */ + struct xfs_btree_cur *tcur; /* temporary btree cursor */ int rrecs; /* right record count */ union xfs_btree_ptr lptr; /* left btree pointer */ union xfs_btree_key *rkp = NULL; /* right btree key */ union xfs_btree_ptr *rpp = NULL; /* right address pointer */ union xfs_btree_rec *rrp = NULL; /* right record pointer */ int error; /* error return value */ + int i; XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); XFS_BTREE_TRACE_ARGI(cur, level); @@ -2196,10 +2428,33 @@ xfs_btree_lshift( xfs_btree_rec_addr(cur, 1, right)); } + /* + * Using a temporary cursor, update the parent key values of the + * block on the left. + */ + error = xfs_btree_dup_cursor(cur, &tcur); + if (error) + goto error0; + i = xfs_btree_firstrec(tcur, level); + XFS_WANT_CORRUPTED_GOTO(cur->bc_mp, i == 1, error0); + + error = xfs_btree_decrement(tcur, level, &i); + if (error) + goto error1; + /* Update the parent keys of the right block. */ error = cur->bc_ops->update_keys(cur, level); if (error) - goto error0; + goto error1; + + /* Update the parent high keys of the left block, if needed. */ + if (tcur->bc_flags & XFS_BTREE_OVERLAPPING) { + error = tcur->bc_ops->update_keys(tcur, level); + if (error) + goto error1; + } + + xfs_btree_del_cursor(tcur, XFS_BTREE_NOERROR); /* Slide the cursor value left one. */ cur->bc_ptrs[level]--; @@ -2216,6 +2471,11 @@ out0: error0: XFS_BTREE_TRACE_CURSOR(cur, XBT_ERROR); return error; + +error1: + XFS_BTREE_TRACE_CURSOR(tcur, XBT_ERROR); + xfs_btree_del_cursor(tcur, XFS_BTREE_ERROR); + return error; } /* @@ -2367,6 +2627,13 @@ xfs_btree_rshift( if (error) goto error1; + /* Update the parent high keys of the left block, if needed. */ + if (cur->bc_flags & XFS_BTREE_OVERLAPPING) { + error = cur->bc_ops->update_keys(cur, level); + if (error) + goto error1; + } + /* Update the parent keys of the right block. */ error = cur->bc_ops->update_keys(tcur, level); if (error) @@ -2548,6 +2815,14 @@ __xfs_btree_split( xfs_btree_set_sibling(cur, rrblock, &rptr, XFS_BB_LEFTSIB); xfs_btree_log_block(cur, rrbp, XFS_BB_LEFTSIB); } + + /* Update the parent high keys of the left block, if needed. */ + if (cur->bc_flags & XFS_BTREE_OVERLAPPING) { + error = cur->bc_ops->update_keys(cur, level); + if (error) + goto error0; + } + /* * If the cursor is really in the right block, move it there. * If it's just pointing past the last entry in left, then we'll @@ -2988,7 +3263,8 @@ xfs_btree_insrec( struct xfs_buf *bp; /* buffer for block */ union xfs_btree_ptr nptr; /* new block ptr */ struct xfs_btree_cur *ncur; /* new btree cursor */ - union xfs_btree_key nkey; /* new block key */ + union xfs_btree_bigkey nkey; /* new block key */ + union xfs_btree_key *lkey; int optr; /* old key/record index */ int ptr; /* key/record index */ int numrecs;/* number of records */ @@ -2996,11 +3272,13 @@ xfs_btree_insrec( #ifdef DEBUG int i; #endif + xfs_daddr_t old_bn; XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); XFS_BTREE_TRACE_ARGIPR(cur, level, *ptrp, &rec); ncur = NULL; + lkey = (union xfs_btree_key *)&nkey; /* * If we have an external root pointer, and we've made it to the @@ -3029,6 +3307,7 @@ xfs_btree_insrec( /* Get pointers to the btree buffer and block. */ block = xfs_btree_get_block(cur, level, &bp); + old_bn = bp ? bp->b_bn : XFS_BUF_DADDR_NULL; numrecs = xfs_btree_get_numrecs(block); #ifdef DEBUG @@ -3055,7 +3334,7 @@ xfs_btree_insrec( xfs_btree_set_ptr_null(cur, &nptr); if (numrecs == cur->bc_ops->get_maxrecs(cur, level)) { error = xfs_btree_make_block_unfull(cur, level, numrecs, - &optr, &ptr, &nptr, &ncur, &nkey, stat); + &optr, &ptr, &nptr, &ncur, lkey, stat); if (error || *stat == 0) goto error0; } @@ -3140,8 +3419,17 @@ xfs_btree_insrec( /* Log the new number of records in the btree header. */ xfs_btree_log_block(cur, bp, XFS_BB_NUMRECS); - /* If we inserted at the start of a block, update the parents' keys. */ - if (xfs_btree_needs_key_update(cur, optr)) { + /* + * If we just inserted into a new tree block, we have to + * recalculate nkey here because nkey is out of date. + * + * Otherwise we're just updating an existing block (having shoved + * some records into the new tree block), so use the regular key + * update mechanism. + */ + if (bp && bp->b_bn != old_bn) { + xfs_btree_get_keys(cur, block, lkey); + } else if (xfs_btree_needs_key_update(cur, optr)) { error = cur->bc_ops->update_keys(cur, level); if (error) goto error0; @@ -3162,7 +3450,7 @@ xfs_btree_insrec( */ *ptrp = nptr; if (!xfs_btree_ptr_is_null(cur, &nptr)) { - xfs_btree_copy_keys(cur, key, &nkey, 1); + xfs_btree_copy_keys(cur, key, lkey, 1); *curp = ncur; } @@ -3193,18 +3481,20 @@ xfs_btree_insert( union xfs_btree_ptr nptr; /* new block number (split result) */ struct xfs_btree_cur *ncur; /* new cursor (split result) */ struct xfs_btree_cur *pcur; /* previous level's cursor */ - union xfs_btree_key key; /* key of block to insert */ + union xfs_btree_bigkey bkey; /* key of block to insert */ + union xfs_btree_key *key; union xfs_btree_rec rec; /* record to insert */ level = 0; ncur = NULL; pcur = cur; + key = (union xfs_btree_key *)&bkey; xfs_btree_set_ptr_null(cur, &nptr); /* Make a key out of the record data to be inserted, and save it. */ cur->bc_ops->init_rec_from_cur(cur, &rec); - cur->bc_ops->init_key_from_rec(&key, &rec); + cur->bc_ops->init_key_from_rec(key, &rec); /* * Loop going up the tree, starting at the leaf level. @@ -3216,7 +3506,7 @@ xfs_btree_insert( * Insert nrec/nptr into this level of the tree. * Note if we fail, nptr will be null. */ - error = xfs_btree_insrec(pcur, level, &nptr, &rec, &key, + error = xfs_btree_insrec(pcur, level, &nptr, &rec, key, &ncur, &i); if (error) { if (pcur != cur) @@ -3915,6 +4205,16 @@ xfs_btree_delrec( if (level > 0) cur->bc_ptrs[level]--; + /* + * We combined blocks, so we have to update the parent keys if the + * btree supports overlapped intervals. However, bc_ptrs[level + 1] + * points to the old block so that the caller knows which record to + * delete. Therefore, the caller must be savvy enough to call updkeys + * for us if we return stat == 2. The other exit points from this + * function don't require deletions further up the tree, so they can + * call updkeys directly. + */ + XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT); /* Return value means the next level up has something to do. */ *stat = 2; @@ -3940,6 +4240,7 @@ xfs_btree_delete( int error; /* error return value */ int level; int i; + bool joined = false; XFS_BTREE_TRACE_CURSOR(cur, XBT_ENTRY); @@ -3953,6 +4254,18 @@ xfs_btree_delete( error = xfs_btree_delrec(cur, level, &i); if (error) goto error0; + if (i == 2) + joined = true; + } + + /* + * If we combined blocks as part of deleting the record, delrec won't + * have updated the parent high keys so we have to do that here. + */ + if (joined && (cur->bc_flags & XFS_BTREE_OVERLAPPING)) { + error = xfs_btree_updkeys_force(cur, 0); + if (error) + goto error0; } if (i == 0) { diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index e097e60400d8..bce6daacb1f7 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -44,6 +44,20 @@ union xfs_btree_key { xfs_inobt_key_t inobt; }; +/* + * In-core key that holds both low and high keys for overlapped btrees. + * The two keys are packed next to each other on disk, so do the same + * in memory. Preserve the existing xfs_btree_key as a single key to + * avoid the mental model breakage that would happen if we passed a + * bigkey into a function that operates on a single key. + */ +union xfs_btree_bigkey { + struct xfs_bmbt_key bmbt; + xfs_bmdr_key_t bmbr; /* bmbt root block */ + xfs_alloc_key_t alloc; + struct xfs_inobt_key inobt; +}; + union xfs_btree_rec { xfs_bmbt_rec_t bmbt; xfs_bmdr_rec_t bmbr; /* bmbt root block */ @@ -162,11 +176,21 @@ struct xfs_btree_ops { union xfs_btree_rec *rec); void (*init_ptr_from_cur)(struct xfs_btree_cur *cur, union xfs_btree_ptr *ptr); + void (*init_high_key_from_rec)(union xfs_btree_key *key, + union xfs_btree_rec *rec); /* difference between key value and cursor value */ __int64_t (*key_diff)(struct xfs_btree_cur *cur, union xfs_btree_key *key); + /* + * Difference between key2 and key1 -- positive if key1 > key2, + * negative if key1 < key2, and zero if equal. + */ + __int64_t (*diff_two_keys)(struct xfs_btree_cur *cur, + union xfs_btree_key *key1, + union xfs_btree_key *key2); + const struct xfs_buf_ops *buf_ops; #if defined(DEBUG) || defined(XFS_WARN) @@ -249,6 +273,7 @@ typedef struct xfs_btree_cur #define XFS_BTREE_ROOT_IN_INODE (1<<1) /* root may be variable size */ #define XFS_BTREE_LASTREC_UPDATE (1<<2) /* track last rec externally */ #define XFS_BTREE_CRC_BLOCKS (1<<3) /* uses extended btree blocks */ +#define XFS_BTREE_OVERLAPPING (1<<4) /* overlapping intervals */ #define XFS_BTREE_NOERROR 0 @@ -493,5 +518,10 @@ void xfs_btree_get_leaf_keys(struct xfs_btree_cur *cur, void xfs_btree_get_node_keys(struct xfs_btree_cur *cur, struct xfs_btree_block *block, union xfs_btree_key *key); int xfs_btree_update_keys(struct xfs_btree_cur *cur, int level); +void xfs_btree_get_leaf_keys_overlapped(struct xfs_btree_cur *cur, + struct xfs_btree_block *block, union xfs_btree_key *key); +void xfs_btree_get_node_keys_overlapped(struct xfs_btree_cur *cur, + struct xfs_btree_block *block, union xfs_btree_key *key); +int xfs_btree_update_keys_overlapped(struct xfs_btree_cur *cur, int level); #endif /* __XFS_BTREE_H__ */ diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 145169093fe0..8fb59e644f80 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -38,6 +38,7 @@ struct xlog_recover_item; struct xfs_buf_log_format; struct xfs_inode_log_format; struct xfs_bmbt_irec; +struct xfs_btree_cur; DECLARE_EVENT_CLASS(xfs_attr_list_class, TP_PROTO(struct xfs_attr_list_context *ctx), @@ -2185,6 +2186,41 @@ DEFINE_DISCARD_EVENT(xfs_discard_toosmall); DEFINE_DISCARD_EVENT(xfs_discard_exclude); DEFINE_DISCARD_EVENT(xfs_discard_busy); +/* btree cursor events */ +DECLARE_EVENT_CLASS(xfs_btree_cur_class, + TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), + TP_ARGS(cur, level, bp), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(xfs_btnum_t, btnum) + __field(int, level) + __field(int, nlevels) + __field(int, ptr) + __field(xfs_daddr_t, daddr) + ), + TP_fast_assign( + __entry->dev = cur->bc_mp->m_super->s_dev; + __entry->btnum = cur->bc_btnum; + __entry->level = level; + __entry->nlevels = cur->bc_nlevels; + __entry->ptr = cur->bc_ptrs[level]; + __entry->daddr = bp ? bp->b_bn : -1; + ), + TP_printk("dev %d:%d btnum %d level %d/%d ptr %d daddr 0x%llx", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->btnum, + __entry->level, + __entry->nlevels, + __entry->ptr, + (unsigned long long)__entry->daddr) +) + +#define DEFINE_BTREE_CUR_EVENT(name) \ +DEFINE_EVENT(xfs_btree_cur_class, name, \ + TP_PROTO(struct xfs_btree_cur *cur, int level, struct xfs_buf *bp), \ + TP_ARGS(cur, level, bp)) +DEFINE_BTREE_CUR_EVENT(xfs_btree_updkeys); + #endif /* _TRACE_XFS_H */ #undef TRACE_INCLUDE_PATH |