From: Jing Zhang <zj.barak@xxxxxxxxx> Date: Wed Apr 7 21:23:48 2010 Since preallocation may not be require by allocation request, check for it in ext4_mb_use_preallocated() seems necessary. Cc: Theodore Ts'o <tytso@xxxxxxx> Cc: Andreas Dilger <adilger@xxxxxxx> Cc: Dave Kleikamp <shaggy@xxxxxxxxxxxxxxxxxx> Cc: Aneesh Kumar K. V <aneesh.kumar@xxxxxxxxxxxxxxxxxx> Signed-off-by: Jing Zhang <zj.barak@xxxxxxxxx> --- --- linux-2.6.32/fs/ext4/mballoc.c 2009-12-03 11:51:22.000000000 +0800 +++ ext4_mm_leak/mballoc-15.c 2010-04-07 20:16:22.000000000 +0800 @@ -3101,6 +3101,8 @@ ext4_mb_use_preallocated(struct ext4_all /* only data can be preallocated */ if (!(ac->ac_flags & EXT4_MB_HINT_DATA)) return 0; + if (ac->ac_flags & EXT4_MB_HINT_NOPREALLOC) + return 0; /* first, try per-file preallocation */ rcu_read_lock(); -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
