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(parent: fce844e) | patch
ext4: protect extent conversion after DIO with i_dio_count
authorJan Kara <jack@suse.cz>
Tue, 4 Jun 2013 18:27:38 +0000 (14:27 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Tue, 4 Jun 2013 18:27:38 +0000 (14:27 -0400)
commit1e06249ff65c068c5aa3bf3f7e023917f073b572
treee993e008bab6fee97a1c8389f6bfc7bb438f2b49tree | snapshot
parentfce844e3b447943f8d0ad1ebb99b86d20df8c79acommit | diff
ext4: protect extent conversion after DIO with i_dio_count

Make sure extent conversion after DIO happens while i_dio_count is
still elevated so that inode_dio_wait() waits until extent conversion
is done.  This removes the need for explicit waiting for extent
conversion in some cases.

Reviewed-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
fs/ext4/inode.c diff | blob | history
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