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-rw-r--r--include/linux/jbd2.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 0e0393e7f41a..3fcb2fe739d0 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -1585,7 +1585,7 @@ static inline int jbd2_space_needed(journal_t *journal)
static inline unsigned long jbd2_log_space_left(journal_t *journal)
{
/* Allow for rounding errors */
- unsigned long free = journal->j_free - 32;
+ long free = journal->j_free - 32;
if (journal->j_committing_transaction) {
unsigned long committing = atomic_read(&journal->
@@ -1594,7 +1594,7 @@ static inline unsigned long jbd2_log_space_left(journal_t *journal)
/* Transaction + control blocks */
free -= committing + (committing >> JBD2_CONTROL_BLOCKS_SHIFT);
}
- return free;
+ return max_t(long, free, 0);
}
/*