[PATCH 6/6 ]Ext4 journal credits reservation fixes for defrag
From: Mingming Cao <hidden>
Date: 2008-08-12 16:37:57
defrag part change. This patch should be merged with ext4-online-defrag-alloc-contiguous-blks.patch Cc: Akira Fujita <redacted> Cc: Takashi Sato <redacted> Signed-off-by: Mingming Cao <redacted> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> --- Index: linux-2.6.27-rc1/fs/ext4/defrag.c ===================================================================
--- linux-2.6.27-rc1.orig/fs/ext4/defrag.c 2008-08-11 17:15:49.000000000 -0700
+++ linux-2.6.27-rc1/fs/ext4/defrag.c 2008-08-11 19:46:59.000000000 -0700@@ -186,9 +186,9 @@ ext4_defrag_alloc_blocks(handle_t *handl struct buffer_head *bh = NULL; int err, i, credits = 0; - credits = ext4_ext_calc_credits_for_insert(dest_inode, dest_path); - err = ext4_ext_journal_restart(handle, - credits + EXT4_TRANS_META_BLOCKS); + credits = ext4_ext_calc_credits_for_single_extent(dest_inode, + ar->len, dest_path); + err = ext4_ext_journal_restart(handle, credits); if (err) return err;