jbd2: Fix I/O hang in jbd2_journal_release_jbd_inode

[deliverable/linux.git] / fs / jbd2 / journal.c

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 0e8014ea6b94ad8985f1b0b842f2cea550578e67..75e1b5a0bc2defa4aac837354dcb95cd4dedd328 100644 (file)
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -42,12 +42,14 @@
 #include <linux/log2.h>
 #include <linux/vmalloc.h>
 #include <linux/backing-dev.h>
+#include <linux/bitops.h>
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/jbd2.h>
 
 #include <asm/uaccess.h>
 #include <asm/page.h>
+#include <asm/system.h>
 
 EXPORT_SYMBOL(jbd2_journal_extend);
 EXPORT_SYMBOL(jbd2_journal_stop);
@@ -2206,7 +2208,7 @@ void jbd2_journal_release_jbd_inode(journal_t *journal,
 restart:
        spin_lock(&journal->j_list_lock);
        /* Is commit writing out inode - we have to wait */
-       if (jinode->i_flags & JI_COMMIT_RUNNING) {
+       if (test_bit(__JI_COMMIT_RUNNING, &jinode->i_flags)) {
                wait_queue_head_t *wq;
                DEFINE_WAIT_BIT(wait, &jinode->i_flags, __JI_COMMIT_RUNNING);
                wq = bit_waitqueue(&jinode->i_flags, __JI_COMMIT_RUNNING);