Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: Fix potential inode allocation soft lockup in Orlov allocator
  ext4: Make the extent validity check more paranoid
  jbd: use SWRITE_SYNC_PLUG when writing synchronous revoke records
  jbd2: use SWRITE_SYNC_PLUG when writing synchronous revoke records
  ext4: really print the find_group_flex fallback warning only once

2 files changed, 12 insertions, 10 deletions

diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index a8e8513a78a9..06560c520f49 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -502,7 +502,7 @@ void journal_commit_transaction(journal_t *journal)
                 err = 0;
         }
 
-        journal_write_revoke_records(journal, commit_transaction);
+        journal_write_revoke_records(journal, commit_transaction, write_op);
 
         /*
          * If we found any dirty or locked buffers, then we should have
diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c
index 3e9afc2a91d2..da6cd9bdaabc 100644
--- a/fs/jbd/revoke.c
+++ b/fs/jbd/revoke.c
@@ -86,6 +86,7 @@
 #include <linux/slab.h>
 #include <linux/list.h>
 #include <linux/init.h>
+#include <linux/bio.h>
 #endif
 #include <linux/log2.h>
 
@@ -118,8 +119,8 @@ struct jbd_revoke_table_s
 #ifdef __KERNEL__
 static void write_one_revoke_record(journal_t *, transaction_t *,
                                     struct journal_head **, int *,
-                                    struct jbd_revoke_record_s *);
-static void flush_descriptor(journal_t *, struct journal_head *, int);
+                                    struct jbd_revoke_record_s *, int);
+static void flush_descriptor(journal_t *, struct journal_head *, int, int);
 #endif
 
 /* Utility functions to maintain the revoke table */
@@ -500,7 +501,7 @@ void journal_switch_revoke_table(journal_t *journal)
  * revoke hash, deleting the entries as we go.
  */
 void journal_write_revoke_records(journal_t *journal,
-                                  transaction_t *transaction)
+                                  transaction_t *transaction, int write_op)
 {
         struct journal_head *descriptor;
         struct jbd_revoke_record_s *record;
@@ -524,14 +525,14 @@ void journal_write_revoke_records(journal_t *journal,
                                 hash_list->next;
                         write_one_revoke_record(journal, transaction,
                                                 &descriptor, &offset,
-                                                record);
+                                                record, write_op);
                         count++;
                         list_del(&record->hash);
                         kmem_cache_free(revoke_record_cache, record);
                 }
         }
         if (descriptor)
-                flush_descriptor(journal, descriptor, offset);
+                flush_descriptor(journal, descriptor, offset, write_op);
         jbd_debug(1, "Wrote %d revoke records\n", count);
 }
 
@@ -544,7 +545,8 @@ static void write_one_revoke_record(journal_t *journal,
                                     transaction_t *transaction,
                                     struct journal_head **descriptorp,
                                     int *offsetp,
-                                    struct jbd_revoke_record_s *record)
+                                    struct jbd_revoke_record_s *record,
+                                    int write_op)
 {
         struct journal_head *descriptor;
         int offset;
@@ -563,7 +565,7 @@ static void write_one_revoke_record(journal_t *journal,
         /* Make sure we have a descriptor with space left for the record */
         if (descriptor) {
                 if (offset == journal->j_blocksize) {
-                        flush_descriptor(journal, descriptor, offset);
+                        flush_descriptor(journal, descriptor, offset, write_op);
                         descriptor = NULL;
                 }
         }
@@ -600,7 +602,7 @@ static void write_one_revoke_record(journal_t *journal,
 
 static void flush_descriptor(journal_t *journal,
                              struct journal_head *descriptor,
-                             int offset)
+                             int offset, int write_op)
 {
         journal_revoke_header_t *header;
         struct buffer_head *bh = jh2bh(descriptor);
@@ -615,7 +617,7 @@ static void flush_descriptor(journal_t *journal,
         set_buffer_jwrite(bh);
         BUFFER_TRACE(bh, "write");
         set_buffer_dirty(bh);
-        ll_rw_block(SWRITE, 1, &bh);
+        ll_rw_block((write_op == WRITE) ? SWRITE : SWRITE_SYNC_PLUG, 1, &bh);
 }
 #endif