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ext4: move vars to local scope in ext4_discard_partial_page_buffers_no_lock()

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Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Yongqiang Yang 2011-10-31 17:54:36 -04:00 committed by Theodore Ts'o
parent 0edeb71dc9
commit e260daf279
1 changed files with 2 additions and 1 deletions
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3
fs/ext4/inode.c
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@ -3179,7 +3179,6 @@ int ext4_discard_partial_page_buffers_no_lock(handle_t *handle,
ext4_fsblk_t index = from >> PAGE_CACHE_SHIFT;
unsigned int offset = from & (PAGE_CACHE_SIZE-1);
unsigned int blocksize, max, pos;
unsigned int end_of_block, range_to_discard;
ext4_lblk_t iblock;
struct buffer_head *bh;
int err = 0;
@ -3231,6 +3230,8 @@ int ext4_discard_partial_page_buffers_no_lock(handle_t *handle,
pos = offset;
while (pos < offset + length) {
unsigned int end_of_block, range_to_discard;
err = 0;
/* The length of space left to zero and unmap */