diff options
Diffstat (limited to 'fs/dquot.c')
| -rw-r--r-- | fs/dquot.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/dquot.c b/fs/dquot.c index 81d87a413c6..9af789567e5 100644 --- a/fs/dquot.c +++ b/fs/dquot.c @@ -250,7 +250,7 @@ static inline struct dquot *find_dquot(unsigned int hashent, struct super_block /* Add a dquot to the tail of the free list */ static inline void put_dquot_last(struct dquot *dquot) { - list_add(&dquot->dq_free, free_dquots.prev); + list_add_tail(&dquot->dq_free, &free_dquots); dqstats.free_dquots++; } @@ -266,7 +266,7 @@ static inline void put_inuse(struct dquot *dquot) { /* We add to the back of inuse list so we don't have to restart * when traversing this list and we block */ - list_add(&dquot->dq_inuse, inuse_list.prev); + list_add_tail(&dquot->dq_inuse, &inuse_list); dqstats.allocated_dquots++; } @@ -834,6 +834,9 @@ static void print_warning(struct dquot *dquot, const char warntype) if (!need_print_warning(dquot) || (flag && test_and_set_bit(flag, &dquot->dq_flags))) return; + mutex_lock(&tty_mutex); + if (!current->signal->tty) + goto out_lock; tty_write_message(current->signal->tty, dquot->dq_sb->s_id); if (warntype == ISOFTWARN || warntype == BSOFTWARN) tty_write_message(current->signal->tty, ": warning, "); @@ -861,6 +864,8 @@ static void print_warning(struct dquot *dquot, const char warntype) break; } tty_write_message(current->signal->tty, msg); +out_lock: + mutex_unlock(&tty_mutex); } static inline void flush_warnings(struct dquot **dquots, char *warntype) |