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-rw-r--r--fs/reiserfs/do_balan.c111
-rw-r--r--fs/reiserfs/journal.c22
-rw-r--r--fs/reiserfs/lbalance.c5
-rw-r--r--fs/reiserfs/reiserfs.h9
-rw-r--r--fs/reiserfs/super.c6
5 files changed, 92 insertions, 61 deletions
diff --git a/fs/reiserfs/do_balan.c b/fs/reiserfs/do_balan.c
index 5739cb99de7b..9c02d96d3a42 100644
--- a/fs/reiserfs/do_balan.c
+++ b/fs/reiserfs/do_balan.c
@@ -286,12 +286,14 @@ static int balance_leaf_when_delete(struct tree_balance *tb, int flag)
return 0;
}
-static void balance_leaf_insert_left(struct tree_balance *tb,
- struct item_head *ih, const char *body)
+static unsigned int balance_leaf_insert_left(struct tree_balance *tb,
+ struct item_head *const ih,
+ const char * const body)
{
int ret;
struct buffer_info bi;
int n = B_NR_ITEMS(tb->L[0]);
+ unsigned body_shift_bytes = 0;
if (tb->item_pos == tb->lnum[0] - 1 && tb->lbytes != -1) {
/* part of new item falls into L[0] */
@@ -329,7 +331,7 @@ static void balance_leaf_insert_left(struct tree_balance *tb,
put_ih_item_len(ih, new_item_len);
if (tb->lbytes > tb->zeroes_num) {
- body += (tb->lbytes - tb->zeroes_num);
+ body_shift_bytes = tb->lbytes - tb->zeroes_num;
tb->zeroes_num = 0;
} else
tb->zeroes_num -= tb->lbytes;
@@ -349,11 +351,12 @@ static void balance_leaf_insert_left(struct tree_balance *tb,
tb->insert_size[0] = 0;
tb->zeroes_num = 0;
}
+ return body_shift_bytes;
}
static void balance_leaf_paste_left_shift_dirent(struct tree_balance *tb,
- struct item_head *ih,
- const char *body)
+ struct item_head * const ih,
+ const char * const body)
{
int n = B_NR_ITEMS(tb->L[0]);
struct buffer_info bi;
@@ -413,17 +416,18 @@ static void balance_leaf_paste_left_shift_dirent(struct tree_balance *tb,
tb->pos_in_item -= tb->lbytes;
}
-static void balance_leaf_paste_left_shift(struct tree_balance *tb,
- struct item_head *ih,
- const char *body)
+static unsigned int balance_leaf_paste_left_shift(struct tree_balance *tb,
+ struct item_head * const ih,
+ const char * const body)
{
struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path);
int n = B_NR_ITEMS(tb->L[0]);
struct buffer_info bi;
+ int body_shift_bytes = 0;
if (is_direntry_le_ih(item_head(tbS0, tb->item_pos))) {
balance_leaf_paste_left_shift_dirent(tb, ih, body);
- return;
+ return 0;
}
RFALSE(tb->lbytes <= 0,
@@ -497,7 +501,7 @@ static void balance_leaf_paste_left_shift(struct tree_balance *tb,
* insert_size[0]
*/
if (l_n > tb->zeroes_num) {
- body += (l_n - tb->zeroes_num);
+ body_shift_bytes = l_n - tb->zeroes_num;
tb->zeroes_num = 0;
} else
tb->zeroes_num -= l_n;
@@ -526,13 +530,14 @@ static void balance_leaf_paste_left_shift(struct tree_balance *tb,
*/
leaf_shift_left(tb, tb->lnum[0], tb->lbytes);
}
+ return body_shift_bytes;
}
/* appended item will be in L[0] in whole */
static void balance_leaf_paste_left_whole(struct tree_balance *tb,
- struct item_head *ih,
- const char *body)
+ struct item_head * const ih,
+ const char * const body)
{
struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path);
int n = B_NR_ITEMS(tb->L[0]);
@@ -584,39 +589,44 @@ static void balance_leaf_paste_left_whole(struct tree_balance *tb,
tb->zeroes_num = 0;
}
-static void balance_leaf_paste_left(struct tree_balance *tb,
- struct item_head *ih, const char *body)
+static unsigned int balance_leaf_paste_left(struct tree_balance *tb,
+ struct item_head * const ih,
+ const char * const body)
{
/* we must shift the part of the appended item */
if (tb->item_pos == tb->lnum[0] - 1 && tb->lbytes != -1)
- balance_leaf_paste_left_shift(tb, ih, body);
+ return balance_leaf_paste_left_shift(tb, ih, body);
else
balance_leaf_paste_left_whole(tb, ih, body);
+ return 0;
}
/* Shift lnum[0] items from S[0] to the left neighbor L[0] */
-static void balance_leaf_left(struct tree_balance *tb, struct item_head *ih,
- const char *body, int flag)
+static unsigned int balance_leaf_left(struct tree_balance *tb,
+ struct item_head * const ih,
+ const char * const body, int flag)
{
if (tb->lnum[0] <= 0)
- return;
+ return 0;
/* new item or it part falls to L[0], shift it too */
if (tb->item_pos < tb->lnum[0]) {
BUG_ON(flag != M_INSERT && flag != M_PASTE);
if (flag == M_INSERT)
- balance_leaf_insert_left(tb, ih, body);
+ return balance_leaf_insert_left(tb, ih, body);
else /* M_PASTE */
- balance_leaf_paste_left(tb, ih, body);
+ return balance_leaf_paste_left(tb, ih, body);
} else
/* new item doesn't fall into L[0] */
leaf_shift_left(tb, tb->lnum[0], tb->lbytes);
+ return 0;
}
static void balance_leaf_insert_right(struct tree_balance *tb,
- struct item_head *ih, const char *body)
+ struct item_head * const ih,
+ const char * const body)
{
struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path);
@@ -704,7 +714,8 @@ static void balance_leaf_insert_right(struct tree_balance *tb,
static void balance_leaf_paste_right_shift_dirent(struct tree_balance *tb,
- struct item_head *ih, const char *body)
+ struct item_head * const ih,
+ const char * const body)
{
struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path);
struct buffer_info bi;
@@ -754,7 +765,8 @@ static void balance_leaf_paste_right_shift_dirent(struct tree_balance *tb,
}
static void balance_leaf_paste_right_shift(struct tree_balance *tb,
- struct item_head *ih, const char *body)
+ struct item_head * const ih,
+ const char * const body)
{
struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path);
int n_shift, n_rem, r_zeroes_number, version;
@@ -831,7 +843,8 @@ static void balance_leaf_paste_right_shift(struct tree_balance *tb,
}
static void balance_leaf_paste_right_whole(struct tree_balance *tb,
- struct item_head *ih, const char *body)
+ struct item_head * const ih,
+ const char * const body)
{
struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path);
int n = B_NR_ITEMS(tbS0);
@@ -874,7 +887,8 @@ static void balance_leaf_paste_right_whole(struct tree_balance *tb,
}
static void balance_leaf_paste_right(struct tree_balance *tb,
- struct item_head *ih, const char *body)
+ struct item_head * const ih,
+ const char * const body)
{
struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path);
int n = B_NR_ITEMS(tbS0);
@@ -896,8 +910,9 @@ static void balance_leaf_paste_right(struct tree_balance *tb,
}
/* shift rnum[0] items from S[0] to the right neighbor R[0] */
-static void balance_leaf_right(struct tree_balance *tb, struct item_head *ih,
- const char *body, int flag)
+static void balance_leaf_right(struct tree_balance *tb,
+ struct item_head * const ih,
+ const char * const body, int flag)
{
if (tb->rnum[0] <= 0)
return;
@@ -911,8 +926,8 @@ static void balance_leaf_right(struct tree_balance *tb, struct item_head *ih,
}
static void balance_leaf_new_nodes_insert(struct tree_balance *tb,
- struct item_head *ih,
- const char *body,
+ struct item_head * const ih,
+ const char * const body,
struct item_head *insert_key,
struct buffer_head **insert_ptr,
int i)
@@ -1003,8 +1018,8 @@ static void balance_leaf_new_nodes_insert(struct tree_balance *tb,
/* we append to directory item */
static void balance_leaf_new_nodes_paste_dirent(struct tree_balance *tb,
- struct item_head *ih,
- const char *body,
+ struct item_head * const ih,
+ const char * const body,
struct item_head *insert_key,
struct buffer_head **insert_ptr,
int i)
@@ -1058,8 +1073,8 @@ static void balance_leaf_new_nodes_paste_dirent(struct tree_balance *tb,
}
static void balance_leaf_new_nodes_paste_shift(struct tree_balance *tb,
- struct item_head *ih,
- const char *body,
+ struct item_head * const ih,
+ const char * const body,
struct item_head *insert_key,
struct buffer_head **insert_ptr,
int i)
@@ -1131,8 +1146,8 @@ static void balance_leaf_new_nodes_paste_shift(struct tree_balance *tb,
}
static void balance_leaf_new_nodes_paste_whole(struct tree_balance *tb,
- struct item_head *ih,
- const char *body,
+ struct item_head * const ih,
+ const char * const body,
struct item_head *insert_key,
struct buffer_head **insert_ptr,
int i)
@@ -1184,8 +1199,8 @@ static void balance_leaf_new_nodes_paste_whole(struct tree_balance *tb,
}
static void balance_leaf_new_nodes_paste(struct tree_balance *tb,
- struct item_head *ih,
- const char *body,
+ struct item_head * const ih,
+ const char * const body,
struct item_head *insert_key,
struct buffer_head **insert_ptr,
int i)
@@ -1214,8 +1229,8 @@ static void balance_leaf_new_nodes_paste(struct tree_balance *tb,
/* Fill new nodes that appear in place of S[0] */
static void balance_leaf_new_nodes(struct tree_balance *tb,
- struct item_head *ih,
- const char *body,
+ struct item_head * const ih,
+ const char * const body,
struct item_head *insert_key,
struct buffer_head **insert_ptr,
int flag)
@@ -1254,8 +1269,8 @@ static void balance_leaf_new_nodes(struct tree_balance *tb,
}
static void balance_leaf_finish_node_insert(struct tree_balance *tb,
- struct item_head *ih,
- const char *body)
+ struct item_head * const ih,
+ const char * const body)
{
struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path);
struct buffer_info bi;
@@ -1271,8 +1286,8 @@ static void balance_leaf_finish_node_insert(struct tree_balance *tb,
}
static void balance_leaf_finish_node_paste_dirent(struct tree_balance *tb,
- struct item_head *ih,
- const char *body)
+ struct item_head * const ih,
+ const char * const body)
{
struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path);
struct item_head *pasted = item_head(tbS0, tb->item_pos);
@@ -1305,8 +1320,8 @@ static void balance_leaf_finish_node_paste_dirent(struct tree_balance *tb,
}
static void balance_leaf_finish_node_paste(struct tree_balance *tb,
- struct item_head *ih,
- const char *body)
+ struct item_head * const ih,
+ const char * const body)
{
struct buffer_head *tbS0 = PATH_PLAST_BUFFER(tb->tb_path);
struct buffer_info bi;
@@ -1349,8 +1364,8 @@ static void balance_leaf_finish_node_paste(struct tree_balance *tb,
* of the affected item which remains in S
*/
static void balance_leaf_finish_node(struct tree_balance *tb,
- struct item_head *ih,
- const char *body, int flag)
+ struct item_head * const ih,
+ const char * const body, int flag)
{
/* if we must insert or append into buffer S[0] */
if (0 <= tb->item_pos && tb->item_pos < tb->s0num) {
@@ -1402,7 +1417,7 @@ static int balance_leaf(struct tree_balance *tb, struct item_head *ih,
&& is_indirect_le_ih(item_head(tbS0, tb->item_pos)))
tb->pos_in_item *= UNFM_P_SIZE;
- balance_leaf_left(tb, ih, body, flag);
+ body += balance_leaf_left(tb, ih, body, flag);
/* tb->lnum[0] > 0 */
/* Calculate new item position */
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index e8870de4627e..a88b1b3e7db3 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -1947,8 +1947,6 @@ static int do_journal_release(struct reiserfs_transaction_handle *th,
}
}
- /* wait for all commits to finish */
- cancel_delayed_work(&SB_JOURNAL(sb)->j_work);
/*
* We must release the write lock here because
@@ -1956,8 +1954,14 @@ static int do_journal_release(struct reiserfs_transaction_handle *th,
*/
reiserfs_write_unlock(sb);
+ /*
+ * Cancel flushing of old commits. Note that neither of these works
+ * will be requeued because superblock is being shutdown and doesn't
+ * have MS_ACTIVE set.
+ */
cancel_delayed_work_sync(&REISERFS_SB(sb)->old_work);
- flush_workqueue(REISERFS_SB(sb)->commit_wq);
+ /* wait for all commits to finish */
+ cancel_delayed_work_sync(&SB_JOURNAL(sb)->j_work);
free_journal_ram(sb);
@@ -4292,9 +4296,15 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, int flags)
if (flush) {
flush_commit_list(sb, jl, 1);
flush_journal_list(sb, jl, 1);
- } else if (!(jl->j_state & LIST_COMMIT_PENDING))
- queue_delayed_work(REISERFS_SB(sb)->commit_wq,
- &journal->j_work, HZ / 10);
+ } else if (!(jl->j_state & LIST_COMMIT_PENDING)) {
+ /*
+ * Avoid queueing work when sb is being shut down. Transaction
+ * will be flushed on journal shutdown.
+ */
+ if (sb->s_flags & MS_ACTIVE)
+ queue_delayed_work(REISERFS_SB(sb)->commit_wq,
+ &journal->j_work, HZ / 10);
+ }
/*
* if the next transaction has any chance of wrapping, flush
diff --git a/fs/reiserfs/lbalance.c b/fs/reiserfs/lbalance.c
index 814dda3ec998..249594a821e0 100644
--- a/fs/reiserfs/lbalance.c
+++ b/fs/reiserfs/lbalance.c
@@ -899,8 +899,9 @@ void leaf_delete_items(struct buffer_info *cur_bi, int last_first,
/* insert item into the leaf node in position before */
void leaf_insert_into_buf(struct buffer_info *bi, int before,
- struct item_head *inserted_item_ih,
- const char *inserted_item_body, int zeros_number)
+ struct item_head * const inserted_item_ih,
+ const char * const inserted_item_body,
+ int zeros_number)
{
struct buffer_head *bh = bi->bi_bh;
int nr, free_space;
diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
index bf53888c7f59..735c2c2b4536 100644
--- a/fs/reiserfs/reiserfs.h
+++ b/fs/reiserfs/reiserfs.h
@@ -3216,11 +3216,12 @@ int leaf_shift_right(struct tree_balance *tb, int shift_num, int shift_bytes);
void leaf_delete_items(struct buffer_info *cur_bi, int last_first, int first,
int del_num, int del_bytes);
void leaf_insert_into_buf(struct buffer_info *bi, int before,
- struct item_head *inserted_item_ih,
- const char *inserted_item_body, int zeros_number);
-void leaf_paste_in_buffer(struct buffer_info *bi, int pasted_item_num,
- int pos_in_item, int paste_size, const char *body,
+ struct item_head * const inserted_item_ih,
+ const char * const inserted_item_body,
int zeros_number);
+void leaf_paste_in_buffer(struct buffer_info *bi, int pasted_item_num,
+ int pos_in_item, int paste_size,
+ const char * const body, int zeros_number);
void leaf_cut_from_buffer(struct buffer_info *bi, int cut_item_num,
int pos_in_item, int cut_size);
void leaf_paste_entries(struct buffer_info *bi, int item_num, int before,
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 709ea92d716f..d46e88a33b02 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -100,7 +100,11 @@ void reiserfs_schedule_old_flush(struct super_block *s)
struct reiserfs_sb_info *sbi = REISERFS_SB(s);
unsigned long delay;
- if (s->s_flags & MS_RDONLY)
+ /*
+ * Avoid scheduling flush when sb is being shut down. It can race
+ * with journal shutdown and free still queued delayed work.
+ */
+ if (s->s_flags & MS_RDONLY || !(s->s_flags & MS_ACTIVE))
return;
spin_lock(&sbi->old_work_lock);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-09 18:04:08 +0000