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-rw-r--r--fs/reiserfs/journal.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 3072cfdee959..d1bcf0da6728 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -645,18 +645,22 @@ struct buffer_chunk {
static void write_chunk(struct buffer_chunk *chunk) {
int i;
+ get_fs_excl();
for (i = 0; i < chunk->nr ; i++) {
submit_logged_buffer(chunk->bh[i]) ;
}
chunk->nr = 0;
+ put_fs_excl();
}
static void write_ordered_chunk(struct buffer_chunk *chunk) {
int i;
+ get_fs_excl();
for (i = 0; i < chunk->nr ; i++) {
submit_ordered_buffer(chunk->bh[i]) ;
}
chunk->nr = 0;
+ put_fs_excl();
}
static int add_to_chunk(struct buffer_chunk *chunk, struct buffer_head *bh,
@@ -918,6 +922,8 @@ static int flush_commit_list(struct super_block *s, struct reiserfs_journal_list
return 0 ;
}
+ get_fs_excl();
+
/* before we can put our commit blocks on disk, we have to make sure everyone older than
** us is on disk too
*/
@@ -1055,6 +1061,7 @@ put_jl:
if (retval)
reiserfs_abort (s, retval, "Journal write error in %s", __FUNCTION__);
+ put_fs_excl();
return retval;
}
@@ -1251,6 +1258,8 @@ static int flush_journal_list(struct super_block *s,
return 0 ;
}
+ get_fs_excl();
+
/* if all the work is already done, get out of here */
if (atomic_read(&(jl->j_nonzerolen)) <= 0 &&
atomic_read(&(jl->j_commit_left)) <= 0) {
@@ -1450,6 +1459,7 @@ flush_older_and_return:
put_journal_list(s, jl);
if (flushall)
up(&journal->j_flush_sem);
+ put_fs_excl();
return err ;
}
@@ -2631,6 +2641,8 @@ static int do_journal_begin_r(struct reiserfs_transaction_handle *th, struct sup
int retval;
reiserfs_check_lock_depth(p_s_sb, "journal_begin") ;
+ if (nblocks > journal->j_trans_max)
+ BUG();
PROC_INFO_INC( p_s_sb, journal.journal_being );
/* set here for journal_join */
@@ -2717,6 +2729,7 @@ relock:
th->t_trans_id = journal->j_trans_id ;
unlock_journal(p_s_sb) ;
INIT_LIST_HEAD (&th->t_list);
+ get_fs_excl();
return 0 ;
out_fail:
@@ -3524,6 +3537,7 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, struct super_b
BUG_ON (th->t_refcount > 1);
BUG_ON (!th->t_trans_id);
+ put_fs_excl();
current->journal_info = th->t_handle_save;
reiserfs_check_lock_depth(p_s_sb, "journal end");
if (journal->j_len == 0) {
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