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ext4: remove unnecessary wait for extent conversion in ext4_fallocate()

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Now that we don't merge uninitialized extents anymore,
ext4_fallocate() is free to operate on the inode while there are still
some extent conversions pending - it won't disturb them in any way.

Reviewed-by: Zheng Liu <wenqing.lz@taobao.com>
Reviewed-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Jan Kara 2013-03-04 00:43:32 -05:00 committed by Theodore Ts'o
parent ff95ec22cd
commit de99fcce1d
1 changed files with 0 additions and 2 deletions
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fs/ext4/extents.c
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@ -4392,8 +4392,6 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
if (len <= EXT_UNINIT_MAX_LEN << blkbits) if (len <= EXT_UNINIT_MAX_LEN << blkbits)
flags |= EXT4_GET_BLOCKS_NO_NORMALIZE; flags |= EXT4_GET_BLOCKS_NO_NORMALIZE;
/* Prevent race condition between unwritten */
ext4_flush_unwritten_io(inode);
retry: retry:
while (ret >= 0 && ret < max_blocks) { while (ret >= 0 && ret < max_blocks) {
map.m_lblk = map.m_lblk + ret; map.m_lblk = map.m_lblk + ret;