diff options
| -rw-r--r-- | fs/ocfs2/journal.h | 12 | ||||
| -rw-r--r-- | fs/ocfs2/suballoc.c | 48 |
2 files changed, 34 insertions, 26 deletions
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h index 7dc56561c9a..b5baaa8e710 100644 --- a/fs/ocfs2/journal.h +++ b/fs/ocfs2/journal.h @@ -561,6 +561,18 @@ static inline int ocfs2_calc_group_alloc_credits(struct super_block *sb, return blocks; } +/* + * Allocating a discontiguous block group requires the credits from + * ocfs2_calc_group_alloc_credits() as well as enough credits to fill + * the group descriptor's extent list. The caller already has started + * the transaction with ocfs2_calc_group_alloc_credits(). They extend + * it with these credits. + */ +static inline int ocfs2_calc_bg_discontig_credits(struct super_block *sb) +{ + return ocfs2_extent_recs_per_gd(sb); +} + static inline int ocfs2_calc_tree_trunc_credits(struct super_block *sb, unsigned int clusters_to_del, struct ocfs2_dinode *fe, diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index 7809f41bcbf..e5403acdb3f 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -523,12 +523,6 @@ static int ocfs2_block_group_grow_discontig(handle_t *handle, while ((needed > 0) && (le16_to_cpu(el->l_next_free_rec) < le16_to_cpu(el->l_count))) { - status = ocfs2_extend_trans(handle, OCFS2_SUBALLOC_ALLOC); - if (status) { - mlog_errno(status); - goto bail; - } - if (min_bits > needed) min_bits = needed; status = ocfs2_block_group_claim_bits(osb, handle, ac, @@ -556,11 +550,12 @@ bail: return status; } -static void ocfs2_bg_alloc_cleanup(struct inode *alloc_inode, - struct buffer_head *bg_bh, - struct ocfs2_cached_dealloc_ctxt *dealloc) +static void ocfs2_bg_alloc_cleanup(handle_t *handle, + struct ocfs2_alloc_context *cluster_ac, + struct inode *alloc_inode, + struct buffer_head *bg_bh) { - int i; + int i, ret; struct ocfs2_group_desc *bg; struct ocfs2_extent_list *el; struct ocfs2_extent_rec *rec; @@ -572,9 +567,13 @@ static void ocfs2_bg_alloc_cleanup(struct inode *alloc_inode, el = &bg->bg_list; for (i = 0; i < le16_to_cpu(el->l_next_free_rec); i++) { rec = &el->l_recs[i]; - ocfs2_cache_cluster_dealloc(dealloc, - le64_to_cpu(rec->e_blkno), - le32_to_cpu(rec->e_leaf_clusters)); + ret = ocfs2_free_clusters(handle, cluster_ac->ac_inode, + cluster_ac->ac_bh, + le64_to_cpu(rec->e_blkno), + le32_to_cpu(rec->e_leaf_clusters)); + if (ret) + mlog_errno(ret); + /* Try all the clusters to free */ } ocfs2_remove_from_cache(INODE_CACHE(alloc_inode), bg_bh); @@ -585,8 +584,7 @@ static struct buffer_head * ocfs2_block_group_alloc_discontig(handle_t *handle, struct inode *alloc_inode, struct ocfs2_alloc_context *ac, - struct ocfs2_chain_list *cl, - struct ocfs2_cached_dealloc_ctxt *dealloc) + struct ocfs2_chain_list *cl) { int status; u32 bit_off, num_bits; @@ -601,6 +599,13 @@ ocfs2_block_group_alloc_discontig(handle_t *handle, goto bail; } + status = ocfs2_extend_trans(handle, + ocfs2_calc_bg_discontig_credits(osb->sb)); + if (status) { + mlog_errno(status); + goto bail; + } + /* Claim the first region */ status = ocfs2_block_group_claim_bits(osb, handle, ac, min_bits, &bit_off, &num_bits); @@ -638,7 +643,7 @@ ocfs2_block_group_alloc_discontig(handle_t *handle, bail: if (status) - ocfs2_bg_alloc_cleanup(alloc_inode, bg_bh, dealloc); + ocfs2_bg_alloc_cleanup(handle, ac, alloc_inode, bg_bh); return status ? ERR_PTR(status) : bg_bh; } @@ -660,14 +665,11 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb, u64 bg_blkno; struct buffer_head *bg_bh = NULL; struct ocfs2_group_desc *bg; - struct ocfs2_cached_dealloc_ctxt dealloc; BUG_ON(ocfs2_is_cluster_bitmap(alloc_inode)); mlog_entry_void(); - ocfs2_init_dealloc_ctxt(&dealloc); - cl = &fe->id2.i_chain; status = ocfs2_reserve_clusters_with_limit(osb, le16_to_cpu(cl->cl_cpg), @@ -699,8 +701,7 @@ static int ocfs2_block_group_alloc(struct ocfs2_super *osb, if (IS_ERR(bg_bh) && (PTR_ERR(bg_bh) == -ENOSPC)) bg_bh = ocfs2_block_group_alloc_discontig(handle, alloc_inode, - ac, cl, - &dealloc); + ac, cl); if (IS_ERR(bg_bh)) { status = PTR_ERR(bg_bh); bg_bh = NULL; @@ -750,11 +751,6 @@ bail: if (handle) ocfs2_commit_trans(osb, handle); - if (ocfs2_dealloc_has_cluster(&dealloc)) { - ocfs2_schedule_truncate_log_flush(osb, 1); - ocfs2_run_deallocs(osb, &dealloc); - } - if (ac) ocfs2_free_alloc_context(ac); |