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ext4: reimplement ext4_find_delay_alloc_range on extent status tree

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Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: Allison Henderson <achender@linux.vnet.ibm.com>
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Zheng Liu
2012-11-08 21:57:35 -05:00
committed by Theodore Ts'o
parent 992e9fdd7b
commit 7d1b1fbc95
4 changed files with 20 additions and 157 deletions
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4
fs/ext4/ext4.h
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@@ -2451,14 +2451,10 @@ enum ext4_state_bits {
* never, ever appear in a buffer_head's state
* flag. See EXT4_MAP_FROM_CLUSTER to see where
* this is used. */
BH_Da_Mapped, /* Delayed allocated block that now has a mapping. This
* flag is set when ext4_map_blocks is called on a
* delayed allocated block to get its real mapping. */
};
BUFFER_FNS(Uninit, uninit)
TAS_BUFFER_FNS(Uninit, uninit)
BUFFER_FNS(Da_Mapped, da_mapped)
/*
* Add new method to test wether block and inode bitmaps are properly