From c77534f6fb6d58e27d923b6825ea3b0ef485ab26 Mon Sep 17 00:00:00 2001 From: Tao Mao Date: Tue, 28 Aug 2007 17:22:33 -0700 Subject: [PATCH] ocfs2: remove mostly unused field from insert structure ocfs2_insert_type->ins_free_records was only used in one place, and was set incorrectly in most places. We can free up some memory and lose some code by removing this. * Small warning fixup contributed by Andrew Mortom Signed-off-by: Tao Mao Signed-off-by: Mark Fasheh --- fs/ocfs2/alloc.c | 29 ++++++----------------------- 1 file changed, 6 insertions(+), 23 deletions(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 778a850b4634..33d5cab5e690 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -354,7 +354,6 @@ struct ocfs2_insert_type { enum ocfs2_append_type ins_appending; enum ocfs2_contig_type ins_contig; int ins_contig_index; - int ins_free_records; int ins_tree_depth; }; @@ -3593,6 +3592,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, struct buffer_head *di_bh, struct buffer_head **last_eb_bh, struct ocfs2_extent_rec *insert_rec, + int *free_records, struct ocfs2_insert_type *insert) { int ret; @@ -3633,7 +3633,7 @@ static int ocfs2_figure_insert_type(struct inode *inode, * XXX: This test is simplistic, we can search for empty * extent records too. */ - insert->ins_free_records = le16_to_cpu(el->l_count) - + *free_records = le16_to_cpu(el->l_count) - le16_to_cpu(el->l_next_free_rec); if (!insert->ins_tree_depth) { @@ -3730,6 +3730,7 @@ int ocfs2_insert_extent(struct ocfs2_super *osb, struct ocfs2_alloc_context *meta_ac) { int status; + int uninitialized_var(free_records); struct buffer_head *last_eb_bh = NULL; struct ocfs2_insert_type insert = {0, }; struct ocfs2_extent_rec rec; @@ -3752,7 +3753,7 @@ int ocfs2_insert_extent(struct ocfs2_super *osb, rec.e_flags = flags; status = ocfs2_figure_insert_type(inode, fe_bh, &last_eb_bh, &rec, - &insert); + &free_records, &insert); if (status < 0) { mlog_errno(status); goto bail; @@ -3762,9 +3763,9 @@ int ocfs2_insert_extent(struct ocfs2_super *osb, "Insert.contig_index: %d, Insert.free_records: %d, " "Insert.tree_depth: %d\n", insert.ins_appending, insert.ins_contig, insert.ins_contig_index, - insert.ins_free_records, insert.ins_tree_depth); + free_records, insert.ins_tree_depth); - if (insert.ins_contig == CONTIG_NONE && insert.ins_free_records == 0) { + if (insert.ins_contig == CONTIG_NONE && free_records == 0) { status = ocfs2_grow_tree(inode, handle, fe_bh, &insert.ins_tree_depth, &last_eb_bh, meta_ac); @@ -3847,26 +3848,17 @@ static int ocfs2_split_and_insert(struct inode *inode, if (le16_to_cpu(rightmost_el->l_next_free_rec) == le16_to_cpu(rightmost_el->l_count)) { - int old_depth = depth; - ret = ocfs2_grow_tree(inode, handle, di_bh, &depth, last_eb_bh, meta_ac); if (ret) { mlog_errno(ret); goto out; } - - if (old_depth != depth) { - eb = (struct ocfs2_extent_block *)(*last_eb_bh)->b_data; - rightmost_el = &eb->h_list; - } } memset(&insert, 0, sizeof(struct ocfs2_insert_type)); insert.ins_appending = APPEND_NONE; insert.ins_contig = CONTIG_NONE; - insert.ins_free_records = le16_to_cpu(rightmost_el->l_count) - - le16_to_cpu(rightmost_el->l_next_free_rec); insert.ins_tree_depth = depth; insert_range = le32_to_cpu(split_rec.e_cpos) + @@ -4180,27 +4172,18 @@ static int ocfs2_split_tree(struct inode *inode, struct buffer_head *di_bh, if (le16_to_cpu(rightmost_el->l_next_free_rec) == le16_to_cpu(rightmost_el->l_count)) { - int old_depth = depth; - ret = ocfs2_grow_tree(inode, handle, di_bh, &depth, &last_eb_bh, meta_ac); if (ret) { mlog_errno(ret); goto out; } - - if (old_depth != depth) { - eb = (struct ocfs2_extent_block *)last_eb_bh->b_data; - rightmost_el = &eb->h_list; - } } memset(&insert, 0, sizeof(struct ocfs2_insert_type)); insert.ins_appending = APPEND_NONE; insert.ins_contig = CONTIG_NONE; insert.ins_split = SPLIT_RIGHT; - insert.ins_free_records = le16_to_cpu(rightmost_el->l_count) - - le16_to_cpu(rightmost_el->l_next_free_rec); insert.ins_tree_depth = depth; ret = ocfs2_do_insert_extent(inode, handle, di_bh, &split_rec, &insert); -- GitLab