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| author | Nate Diller <nate.diller@gmail.com> | 2007-05-09 02:35:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-09 12:30:55 -0700 |
| commit | 0c11d7a9e9e9793219baf715048c190a84bead57 (patch) | |
| tree | ba5557118502f04a6dc12b66a6afacac1144256b /fs | |
| parent | f36dca90e674a1a62cad810f630629c0008b2128 (diff) | |
| download | linux-3.10-0c11d7a9e9e9793219baf715048c190a84bead57.tar.gz linux-3.10-0c11d7a9e9e9793219baf715048c190a84bead57.tar.bz2 linux-3.10-0c11d7a9e9e9793219baf715048c190a84bead57.zip | |
ext3: use zero_user_page
Use zero_user_page() instead of open-coding it.
Signed-off-by: Nate Diller <nate.diller@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ext3/inode.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c index e1bb0317198..a6cb6171c3a 100644 --- a/fs/ext3/inode.c +++ b/fs/ext3/inode.c @@ -1767,7 +1767,6 @@ static int ext3_block_truncate_page(handle_t *handle, struct page *page, struct inode *inode = mapping->host; struct buffer_head *bh; int err = 0; - void *kaddr; blocksize = inode->i_sb->s_blocksize; length = blocksize - (offset & (blocksize - 1)); @@ -1779,10 +1778,7 @@ static int ext3_block_truncate_page(handle_t *handle, struct page *page, */ if (!page_has_buffers(page) && test_opt(inode->i_sb, NOBH) && ext3_should_writeback_data(inode) && PageUptodate(page)) { - kaddr = kmap_atomic(page, KM_USER0); - memset(kaddr + offset, 0, length); - flush_dcache_page(page); - kunmap_atomic(kaddr, KM_USER0); + zero_user_page(page, offset, length, KM_USER0); set_page_dirty(page); goto unlock; } @@ -1835,11 +1831,7 @@ static int ext3_block_truncate_page(handle_t *handle, struct page *page, goto unlock; } - kaddr = kmap_atomic(page, KM_USER0); - memset(kaddr + offset, 0, length); - flush_dcache_page(page); - kunmap_atomic(kaddr, KM_USER0); - + zero_user_page(page, offset, length, KM_USER0); BUFFER_TRACE(bh, "zeroed end of block"); err = 0; |