Merge master.kernel.org:/home/rmk/linux-2.6-arm

[linux-2.6] / fs / jbd2 / commit.c

diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index b1a4eafc15417688128612e5d21746ad1bf6b183..70b2ae1ef2810e1a8fea2a557bfa5f5e7a395190 100644 (file)
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -271,6 +271,14 @@ write_out_data:
        journal_do_submit_data(wbuf, bufs);
 }
 
+static inline void write_tag_block(int tag_bytes, journal_block_tag_t *tag,
+                                  unsigned long long block)
+{
+       tag->t_blocknr = cpu_to_be32(block & (u32)~0);
+       if (tag_bytes > JBD_TAG_SIZE32)
+               tag->t_blocknr_high = cpu_to_be32((block >> 31) >> 1);
+}
+
 /*
  * jbd2_journal_commit_transaction
  *
@@ -285,7 +293,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
        int bufs;
        int flags;
        int err;
-       unsigned long blocknr;
+       unsigned long long blocknr;
        char *tagp = NULL;
        journal_header_t *header;
        journal_block_tag_t *tag = NULL;
@@ -293,6 +301,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
        int first_tag = 0;
        int tag_flag;
        int i;
+       int tag_bytes = journal_tag_bytes(journal);
 
        /*
         * First job: lock down the current transaction and wait for
@@ -597,10 +606,10 @@ void jbd2_journal_commit_transaction(journal_t *journal)
                        tag_flag |= JBD2_FLAG_SAME_UUID;
 
                tag = (journal_block_tag_t *) tagp;
-               tag->t_blocknr = cpu_to_be32(jh2bh(jh)->b_blocknr);
+               write_tag_block(tag_bytes, tag, jh2bh(jh)->b_blocknr);
                tag->t_flags = cpu_to_be32(tag_flag);
-               tagp += sizeof(journal_block_tag_t);
-               space_left -= sizeof(journal_block_tag_t);
+               tagp += tag_bytes;
+               space_left -= tag_bytes;
 
                if (first_tag) {
                        memcpy (tagp, journal->j_uuid, 16);
@@ -614,7 +623,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
 
                if (bufs == journal->j_wbufsize ||
                    commit_transaction->t_buffers == NULL ||
-                   space_left < sizeof(journal_block_tag_t) + 16) {
+                   space_left < tag_bytes + 16) {
 
                        jbd_debug(4, "JBD: Submit %d IOs\n", bufs);