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[PATCH] Change ll_rw_block() calls in JBD
We must be sure that the current data in buffer are sent to disk. Hence we have to call ll_rw_block() with SWRITE. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -204,7 +204,7 @@ __flush_batch(journal_t *journal, struct buffer_head **bhs, int *batch_count)
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int i;
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spin_unlock(&journal->j_list_lock);
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ll_rw_block(WRITE, *batch_count, bhs);
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ll_rw_block(SWRITE, *batch_count, bhs);
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spin_lock(&journal->j_list_lock);
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for (i = 0; i < *batch_count; i++) {
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struct buffer_head *bh = bhs[i];
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@ -358,7 +358,7 @@ write_out_data:
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jbd_debug(2, "submit %d writes\n",
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bufs);
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spin_unlock(&journal->j_list_lock);
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ll_rw_block(WRITE, bufs, wbuf);
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ll_rw_block(SWRITE, bufs, wbuf);
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journal_brelse_array(wbuf, bufs);
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bufs = 0;
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goto write_out_data;
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@ -381,7 +381,7 @@ write_out_data:
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if (bufs) {
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spin_unlock(&journal->j_list_lock);
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ll_rw_block(WRITE, bufs, wbuf);
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ll_rw_block(SWRITE, bufs, wbuf);
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journal_brelse_array(wbuf, bufs);
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spin_lock(&journal->j_list_lock);
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}
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@ -957,7 +957,7 @@ void journal_update_superblock(journal_t *journal, int wait)
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if (wait)
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sync_dirty_buffer(bh);
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else
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ll_rw_block(WRITE, 1, &bh);
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ll_rw_block(SWRITE, 1, &bh);
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out:
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/* If we have just flushed the log (by marking s_start==0), then
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@ -614,7 +614,7 @@ static void flush_descriptor(journal_t *journal,
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set_buffer_jwrite(bh);
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BUFFER_TRACE(bh, "write");
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set_buffer_dirty(bh);
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ll_rw_block(WRITE, 1, &bh);
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ll_rw_block(SWRITE, 1, &bh);
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}
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#endif
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