diff -rup linux/fs/reiserfs/stree.c linux.patched/fs/reiserfs/stree.c

diff -rup linux/fs/reiserfs/stree.c linux.patched/fs/reiserfs/stree.c
--- linux/fs/reiserfs/stree.c Tue Nov 13 15:58:58 2001
+++ linux.patched/fs/reiserfs/stree.c Tue Nov 13 16:56:16 2001
@@ -992,10 +992,6 @@ static char prepare_for_delete_or_cut(
struct item_head * p_le_ih = PATH_PITEM_HEAD(p_s_path);
struct buffer_head * p_s_bh = PATH_PLAST_BUFFER(p_s_path);

-#ifdef CONFIG_REISERFS_CHECK
- int n_repeat_counter = 0;
-#endif
-
/* Stat_data item. */
if ( is_statdata_le_ih (p_le_ih) ) {

@@ -1020,13 +1016,11 @@ static char prepare_for_delete_or_cut(
{
int n_unfm_number, /* Number of the item unformatted nodes. */
n_counter,
- n_retry, /* Set to one if there is unformatted node buffer in use. */
n_blk_size;
__u32 * p_n_unfm_pointer; /* Pointer to the unformatted node number. */
__u32 tmp;
struct item_head s_ih; /* Item header. */
char c_mode; /* Returned mode of the balance. */
- struct buffer_head * p_s_un_bh;
int need_research;

@@ -1099,8 +1093,8 @@ static char prepare_for_delete_or_cut(
// note: path could be changed, first line in for loop takes care
// of it

- for ( n_retry = 0, n_counter = *p_n_removed;
- n_counter < n_unfm_number; n_counter++, p_n_unfm_pointer-- ) {
+ for (n_counter = *p_n_removed;
+ n_counter < n_unfm_number; n_counter++, p_n_unfm_pointer-- ) {

if (item_moved (&s_ih, p_s_path)) {
need_research = 1 ;
@@ -1110,69 +1104,23 @@ static char prepare_for_delete_or_cut(
p_n_unfm_pointer > (__u32 *)B_I_PITEM(p_s_bh, &s_ih) + I_UNFM_NUM(&s_ih) - 1,
"vs-5265: pointer out of range");

- if ( ! get_block_num(p_n_unfm_pointer,0) ) { /* Hole, nothing to remove. */
- if ( ! n_retry )
+ /* Hole, nothing to remove. */
+ if ( ! get_block_num(p_n_unfm_pointer,0) ) {
(*p_n_removed)++;
- continue;
+ continue;
}
- /* Search for the buffer in cache. */
- p_s_un_bh = get_hash_table(p_s_sb->s_dev, get_block_num(p_n_unfm_pointer,0), n_blk_size);

- if (p_s_un_bh) {
- mark_buffer_clean(p_s_un_bh) ;
- if (buffer_locked(p_s_un_bh)) {
- __wait_on_buffer(p_s_un_bh) ;
- }
- /* even if the item moves, the block number of the
- ** unformatted node we want to cut won't. So, it was
- ** safe to clean the buffer here, this block _will_
- ** get freed during this call to prepare_for_delete_or_cut
- */
- if ( item_moved (&s_ih, p_s_path) ) {
- need_research = 1;
- brelse(p_s_un_bh) ;
- break ;
- }
- }
- if ( p_s_un_bh && block_in_use (p_s_un_bh)) {
- /* Block is locked or held more than by one holder and by
- journal. */
-
-#ifdef CONFIG_REISERFS_CHECK
- if (n_repeat_counter && (n_repeat_counter % 100000) == 0) {
- printk("prepare_for_delete, waiting on buffer %lu, b_count %d, %s%cJDIRTY %cJDIRTY_WAIT\n",
- p_s_un_bh->b_blocknr, atomic_read (&p_s_un_bh->b_count),
- buffer_locked (p_s_un_bh) ? "locked, " : "",
- buffer_journaled(p_s_un_bh) ? ' ' : '!',
- buffer_journal_dirty(p_s_un_bh) ? ' ' : '!') ;
-
- }
-#endif
- n_retry = 1;
- brelse (p_s_un_bh);
- continue;
- }
-
- if ( ! n_retry )
- (*p_n_removed)++;
-
- RFALSE( p_s_un_bh &&
- get_block_num(p_n_unfm_pointer, 0) != p_s_un_bh->b_blocknr,
- // note: minix_truncate allows that. As truncate is
- // protected by down (inode->i_sem), two truncates can not
- // co-exist
- "PAP-5280: blocks numbers are different");
+ (*p_n_removed)++;

tmp = get_block_num(p_n_unfm_pointer,0);
put_block_num(p_n_unfm_pointer, 0, 0);
journal_mark_dirty (th, p_s_sb, p_s_bh);
- bforget (p_s_un_bh);
inode->i_blocks -= p_s_sb->s_blocksize / 512;
reiserfs_free_block(th, tmp);
if ( item_moved (&s_ih, p_s_path) ) {
- need_research = 1;
- break ;
- }
+ need_research = 1;
+ break ;
+ }
}

/* a trick. If the buffer has been logged, this
@@ -1182,28 +1130,6 @@ static char prepare_for_delete_or_cut(
*/
reiserfs_restore_prepared_buffer(p_s_sb, p_s_bh);

- if ( n_retry ) {
- /* There is block in use. Wait, they should release it soon */
-
- RFALSE( *p_n_removed >= n_unfm_number, "PAP-5290: illegal case");
-#ifdef CONFIG_REISERFS_CHECK
- if ( !(++n_repeat_counter % 500000) ) {
- reiserfs_warning("PAP-5300: prepare_for_delete_or_cut: (pid %u): "
- "could not delete item %k in (%d) iterations. New file length %Lu. (inode %Ld), Still trying\n",
- current->pid, p_s_item_key, n_repeat_counter, n_new_file_length, inode->i_size);
- if (n_repeat_counter == 5000000) {
- print_block (PATH_PLAST_BUFFER(p_s_path), 3,
- PATH_LAST_POSITION (p_s_path) - 2, PATH_LAST_POSITION (p_s_path) + 2);
- reiserfs_panic(p_s_sb, "PAP-5305: prepare_for_delete_or_cut: key %k, new_file_length %Ld",
- p_s_item_key, n_new_file_length);
- }
- }
-#endif
-
- run_task_queue(&tq_disk);
- current->policy |= SCHED_YIELD;
- schedule();
- }
/* This loop can be optimized. */
} while ( (*p_n_removed < n_unfm_number || need_research) &&
search_for_position_by_key(p_s_sb, p_s_item_key, p_s_path) == POSITION_FOUND );