6.1-stable review patch. If anyone has any objections, please let me know.
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From: "Darrick J. Wong" djwong@kernel.org
[ Upstream commit 0b11553ec54a6d88907e60d0595dbcef98539747 ]
Pass the incore refcount intent through the CUI logging code instead of repeatedly boxing and unboxing parameters.
Signed-off-by: Darrick J. Wong djwong@kernel.org Signed-off-by: Leah Rumancik leah.rumancik@gmail.com Acked-by: "Darrick J. Wong" djwong@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/xfs/libxfs/xfs_refcount.c | 96 +++++++++++++++++++------------------------ fs/xfs/libxfs/xfs_refcount.h | 4 - fs/xfs/xfs_refcount_item.c | 62 +++++++++++---------------- fs/xfs/xfs_trace.h | 15 +----- 4 files changed, 74 insertions(+), 103 deletions(-)
--- a/fs/xfs/libxfs/xfs_refcount.c +++ b/fs/xfs/libxfs/xfs_refcount.c @@ -1213,37 +1213,33 @@ out_error: STATIC int xfs_refcount_adjust( struct xfs_btree_cur *cur, - xfs_agblock_t agbno, - xfs_extlen_t aglen, - xfs_agblock_t *new_agbno, - xfs_extlen_t *new_aglen, + xfs_agblock_t *agbno, + xfs_extlen_t *aglen, enum xfs_refc_adjust_op adj) { bool shape_changed; int shape_changes = 0; int error;
- *new_agbno = agbno; - *new_aglen = aglen; if (adj == XFS_REFCOUNT_ADJUST_INCREASE) - trace_xfs_refcount_increase(cur->bc_mp, cur->bc_ag.pag->pag_agno, - agbno, aglen); + trace_xfs_refcount_increase(cur->bc_mp, + cur->bc_ag.pag->pag_agno, *agbno, *aglen); else - trace_xfs_refcount_decrease(cur->bc_mp, cur->bc_ag.pag->pag_agno, - agbno, aglen); + trace_xfs_refcount_decrease(cur->bc_mp, + cur->bc_ag.pag->pag_agno, *agbno, *aglen);
/* * Ensure that no rcextents cross the boundary of the adjustment range. */ error = xfs_refcount_split_extent(cur, XFS_REFC_DOMAIN_SHARED, - agbno, &shape_changed); + *agbno, &shape_changed); if (error) goto out_error; if (shape_changed) shape_changes++;
error = xfs_refcount_split_extent(cur, XFS_REFC_DOMAIN_SHARED, - agbno + aglen, &shape_changed); + *agbno + *aglen, &shape_changed); if (error) goto out_error; if (shape_changed) @@ -1253,7 +1249,7 @@ xfs_refcount_adjust( * Try to merge with the left or right extents of the range. */ error = xfs_refcount_merge_extents(cur, XFS_REFC_DOMAIN_SHARED, - new_agbno, new_aglen, adj, &shape_changed); + agbno, aglen, adj, &shape_changed); if (error) goto out_error; if (shape_changed) @@ -1262,7 +1258,7 @@ xfs_refcount_adjust( cur->bc_ag.refc.shape_changes++;
/* Now that we've taken care of the ends, adjust the middle extents */ - error = xfs_refcount_adjust_extents(cur, new_agbno, new_aglen, adj); + error = xfs_refcount_adjust_extents(cur, agbno, aglen, adj); if (error) goto out_error;
@@ -1298,21 +1294,20 @@ xfs_refcount_finish_one_cleanup( static inline int xfs_refcount_continue_op( struct xfs_btree_cur *cur, - xfs_fsblock_t startblock, - xfs_agblock_t new_agbno, - xfs_extlen_t new_len, - xfs_fsblock_t *new_fsbno) + struct xfs_refcount_intent *ri, + xfs_agblock_t new_agbno) { struct xfs_mount *mp = cur->bc_mp; struct xfs_perag *pag = cur->bc_ag.pag;
- if (XFS_IS_CORRUPT(mp, !xfs_verify_agbext(pag, new_agbno, new_len))) + if (XFS_IS_CORRUPT(mp, !xfs_verify_agbext(pag, new_agbno, + ri->ri_blockcount))) return -EFSCORRUPTED;
- *new_fsbno = XFS_AGB_TO_FSB(mp, pag->pag_agno, new_agbno); + ri->ri_startblock = XFS_AGB_TO_FSB(mp, pag->pag_agno, new_agbno);
- ASSERT(xfs_verify_fsbext(mp, *new_fsbno, new_len)); - ASSERT(pag->pag_agno == XFS_FSB_TO_AGNO(mp, *new_fsbno)); + ASSERT(xfs_verify_fsbext(mp, ri->ri_startblock, ri->ri_blockcount)); + ASSERT(pag->pag_agno == XFS_FSB_TO_AGNO(mp, ri->ri_startblock));
return 0; } @@ -1327,11 +1322,7 @@ xfs_refcount_continue_op( int xfs_refcount_finish_one( struct xfs_trans *tp, - enum xfs_refcount_intent_type type, - xfs_fsblock_t startblock, - xfs_extlen_t blockcount, - xfs_fsblock_t *new_fsb, - xfs_extlen_t *new_len, + struct xfs_refcount_intent *ri, struct xfs_btree_cur **pcur) { struct xfs_mount *mp = tp->t_mountp; @@ -1339,17 +1330,16 @@ xfs_refcount_finish_one( struct xfs_buf *agbp = NULL; int error = 0; xfs_agblock_t bno; - xfs_agblock_t new_agbno; unsigned long nr_ops = 0; int shape_changes = 0; struct xfs_perag *pag;
- pag = xfs_perag_get(mp, XFS_FSB_TO_AGNO(mp, startblock)); - bno = XFS_FSB_TO_AGBNO(mp, startblock); + pag = xfs_perag_get(mp, XFS_FSB_TO_AGNO(mp, ri->ri_startblock)); + bno = XFS_FSB_TO_AGBNO(mp, ri->ri_startblock);
- trace_xfs_refcount_deferred(mp, XFS_FSB_TO_AGNO(mp, startblock), - type, XFS_FSB_TO_AGBNO(mp, startblock), - blockcount); + trace_xfs_refcount_deferred(mp, XFS_FSB_TO_AGNO(mp, ri->ri_startblock), + ri->ri_type, XFS_FSB_TO_AGBNO(mp, ri->ri_startblock), + ri->ri_blockcount);
if (XFS_TEST_ERROR(false, mp, XFS_ERRTAG_REFCOUNT_FINISH_ONE)) { error = -EIO; @@ -1380,42 +1370,42 @@ xfs_refcount_finish_one( } *pcur = rcur;
- switch (type) { + switch (ri->ri_type) { case XFS_REFCOUNT_INCREASE: - error = xfs_refcount_adjust(rcur, bno, blockcount, &new_agbno, - new_len, XFS_REFCOUNT_ADJUST_INCREASE); + error = xfs_refcount_adjust(rcur, &bno, &ri->ri_blockcount, + XFS_REFCOUNT_ADJUST_INCREASE); if (error) goto out_drop; - if (*new_len > 0) - error = xfs_refcount_continue_op(rcur, startblock, - new_agbno, *new_len, new_fsb); + if (ri->ri_blockcount > 0) + error = xfs_refcount_continue_op(rcur, ri, bno); break; case XFS_REFCOUNT_DECREASE: - error = xfs_refcount_adjust(rcur, bno, blockcount, &new_agbno, - new_len, XFS_REFCOUNT_ADJUST_DECREASE); + error = xfs_refcount_adjust(rcur, &bno, &ri->ri_blockcount, + XFS_REFCOUNT_ADJUST_DECREASE); if (error) goto out_drop; - if (*new_len > 0) - error = xfs_refcount_continue_op(rcur, startblock, - new_agbno, *new_len, new_fsb); + if (ri->ri_blockcount > 0) + error = xfs_refcount_continue_op(rcur, ri, bno); break; case XFS_REFCOUNT_ALLOC_COW: - *new_fsb = startblock + blockcount; - *new_len = 0; - error = __xfs_refcount_cow_alloc(rcur, bno, blockcount); + error = __xfs_refcount_cow_alloc(rcur, bno, ri->ri_blockcount); + if (error) + goto out_drop; + ri->ri_blockcount = 0; break; case XFS_REFCOUNT_FREE_COW: - *new_fsb = startblock + blockcount; - *new_len = 0; - error = __xfs_refcount_cow_free(rcur, bno, blockcount); + error = __xfs_refcount_cow_free(rcur, bno, ri->ri_blockcount); + if (error) + goto out_drop; + ri->ri_blockcount = 0; break; default: ASSERT(0); error = -EFSCORRUPTED; } - if (!error && *new_len > 0) - trace_xfs_refcount_finish_one_leftover(mp, pag->pag_agno, type, - bno, blockcount, new_agbno, *new_len); + if (!error && ri->ri_blockcount > 0) + trace_xfs_refcount_finish_one_leftover(mp, pag->pag_agno, + ri->ri_type, bno, ri->ri_blockcount); out_drop: xfs_perag_put(pag); return error; --- a/fs/xfs/libxfs/xfs_refcount.h +++ b/fs/xfs/libxfs/xfs_refcount.h @@ -75,9 +75,7 @@ void xfs_refcount_decrease_extent(struct extern void xfs_refcount_finish_one_cleanup(struct xfs_trans *tp, struct xfs_btree_cur *rcur, int error); extern int xfs_refcount_finish_one(struct xfs_trans *tp, - enum xfs_refcount_intent_type type, xfs_fsblock_t startblock, - xfs_extlen_t blockcount, xfs_fsblock_t *new_fsb, - xfs_extlen_t *new_len, struct xfs_btree_cur **pcur); + struct xfs_refcount_intent *ri, struct xfs_btree_cur **pcur);
extern int xfs_refcount_find_shared(struct xfs_btree_cur *cur, xfs_agblock_t agbno, xfs_extlen_t aglen, xfs_agblock_t *fbno, --- a/fs/xfs/xfs_refcount_item.c +++ b/fs/xfs/xfs_refcount_item.c @@ -252,17 +252,12 @@ static int xfs_trans_log_finish_refcount_update( struct xfs_trans *tp, struct xfs_cud_log_item *cudp, - enum xfs_refcount_intent_type type, - xfs_fsblock_t startblock, - xfs_extlen_t blockcount, - xfs_fsblock_t *new_fsb, - xfs_extlen_t *new_len, + struct xfs_refcount_intent *ri, struct xfs_btree_cur **pcur) { int error;
- error = xfs_refcount_finish_one(tp, type, startblock, - blockcount, new_fsb, new_len, pcur); + error = xfs_refcount_finish_one(tp, ri, pcur);
/* * Mark the transaction dirty, even on error. This ensures the @@ -378,25 +373,20 @@ xfs_refcount_update_finish_item( struct list_head *item, struct xfs_btree_cur **state) { - struct xfs_refcount_intent *refc; - xfs_fsblock_t new_fsb; - xfs_extlen_t new_aglen; + struct xfs_refcount_intent *ri; int error;
- refc = container_of(item, struct xfs_refcount_intent, ri_list); - error = xfs_trans_log_finish_refcount_update(tp, CUD_ITEM(done), - refc->ri_type, refc->ri_startblock, refc->ri_blockcount, - &new_fsb, &new_aglen, state); + ri = container_of(item, struct xfs_refcount_intent, ri_list); + error = xfs_trans_log_finish_refcount_update(tp, CUD_ITEM(done), ri, + state);
/* Did we run out of reservation? Requeue what we didn't finish. */ - if (!error && new_aglen > 0) { - ASSERT(refc->ri_type == XFS_REFCOUNT_INCREASE || - refc->ri_type == XFS_REFCOUNT_DECREASE); - refc->ri_startblock = new_fsb; - refc->ri_blockcount = new_aglen; + if (!error && ri->ri_blockcount > 0) { + ASSERT(ri->ri_type == XFS_REFCOUNT_INCREASE || + ri->ri_type == XFS_REFCOUNT_DECREASE); return -EAGAIN; } - kmem_cache_free(xfs_refcount_intent_cache, refc); + kmem_cache_free(xfs_refcount_intent_cache, ri); return error; }
@@ -463,18 +453,13 @@ xfs_cui_item_recover( struct xfs_log_item *lip, struct list_head *capture_list) { - struct xfs_bmbt_irec irec; struct xfs_cui_log_item *cuip = CUI_ITEM(lip); - struct xfs_phys_extent *refc; struct xfs_cud_log_item *cudp; struct xfs_trans *tp; struct xfs_btree_cur *rcur = NULL; struct xfs_mount *mp = lip->li_log->l_mp; - xfs_fsblock_t new_fsb; - xfs_extlen_t new_len; unsigned int refc_type; bool requeue_only = false; - enum xfs_refcount_intent_type type; int i; int error = 0;
@@ -513,6 +498,9 @@ xfs_cui_item_recover( cudp = xfs_trans_get_cud(tp, cuip);
for (i = 0; i < cuip->cui_format.cui_nextents; i++) { + struct xfs_refcount_intent fake = { }; + struct xfs_phys_extent *refc; + refc = &cuip->cui_format.cui_extents[i]; refc_type = refc->pe_flags & XFS_REFCOUNT_EXTENT_TYPE_MASK; switch (refc_type) { @@ -520,7 +508,7 @@ xfs_cui_item_recover( case XFS_REFCOUNT_DECREASE: case XFS_REFCOUNT_ALLOC_COW: case XFS_REFCOUNT_FREE_COW: - type = refc_type; + fake.ri_type = refc_type; break; default: XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, @@ -529,13 +517,12 @@ xfs_cui_item_recover( error = -EFSCORRUPTED; goto abort_error; } - if (requeue_only) { - new_fsb = refc->pe_startblock; - new_len = refc->pe_len; - } else + + fake.ri_startblock = refc->pe_startblock; + fake.ri_blockcount = refc->pe_len; + if (!requeue_only) error = xfs_trans_log_finish_refcount_update(tp, cudp, - type, refc->pe_startblock, refc->pe_len, - &new_fsb, &new_len, &rcur); + &fake, &rcur); if (error == -EFSCORRUPTED) XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, &cuip->cui_format, @@ -544,10 +531,13 @@ xfs_cui_item_recover( goto abort_error;
/* Requeue what we didn't finish. */ - if (new_len > 0) { - irec.br_startblock = new_fsb; - irec.br_blockcount = new_len; - switch (type) { + if (fake.ri_blockcount > 0) { + struct xfs_bmbt_irec irec = { + .br_startblock = fake.ri_startblock, + .br_blockcount = fake.ri_blockcount, + }; + + switch (fake.ri_type) { case XFS_REFCOUNT_INCREASE: xfs_refcount_increase_extent(tp, &irec); break; --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -3208,17 +3208,14 @@ DEFINE_REFCOUNT_DEFERRED_EVENT(xfs_refco
TRACE_EVENT(xfs_refcount_finish_one_leftover, TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, - int type, xfs_agblock_t agbno, xfs_extlen_t len, - xfs_agblock_t new_agbno, xfs_extlen_t new_len), - TP_ARGS(mp, agno, type, agbno, len, new_agbno, new_len), + int type, xfs_agblock_t agbno, xfs_extlen_t len), + TP_ARGS(mp, agno, type, agbno, len), TP_STRUCT__entry( __field(dev_t, dev) __field(xfs_agnumber_t, agno) __field(int, type) __field(xfs_agblock_t, agbno) __field(xfs_extlen_t, len) - __field(xfs_agblock_t, new_agbno) - __field(xfs_extlen_t, new_len) ), TP_fast_assign( __entry->dev = mp->m_super->s_dev; @@ -3226,17 +3223,13 @@ TRACE_EVENT(xfs_refcount_finish_one_left __entry->type = type; __entry->agbno = agbno; __entry->len = len; - __entry->new_agbno = new_agbno; - __entry->new_len = new_len; ), - TP_printk("dev %d:%d type %d agno 0x%x agbno 0x%x fsbcount 0x%x new_agbno 0x%x new_fsbcount 0x%x", + TP_printk("dev %d:%d type %d agno 0x%x agbno 0x%x fsbcount 0x%x", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->type, __entry->agno, __entry->agbno, - __entry->len, - __entry->new_agbno, - __entry->new_len) + __entry->len) );
/* simple inode-based error/%ip tracepoint class */