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ext4: give i_aiodio_unwritten a more appropriate name

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AIO/DIO prefix is wrong because it account unwritten extents which
also may be scheduled from buffered write endio

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Dmitry Monakhov 2012-09-28 23:24:52 -04:00 committed by Theodore Ts'o
parent f45ee3a1ea
commit e27f41e1b7
4 changed files with 7 additions and 7 deletions
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4
fs/ext4/ext4.h
View File

@ -912,7 +912,7 @@ struct ext4_inode_info {
struct list_head i_completed_io_list;
spinlock_t i_completed_io_lock;
atomic_t i_ioend_count; /* Number of outstanding io_end structs */
atomic_t i_aiodio_unwritten; /* Nr. of inflight conversions pending */
atomic_t i_unwritten; /* Nr. of inflight conversions pending */
spinlock_t i_block_reservation_lock;
@ -1332,7 +1332,7 @@ static inline void ext4_set_io_unwritten_flag(struct inode *inode,
{
if (!(io_end->flag & EXT4_IO_END_UNWRITTEN)) {
io_end->flag |= EXT4_IO_END_UNWRITTEN;
atomic_inc(&EXT4_I(inode)->i_aiodio_unwritten);
atomic_inc(&EXT4_I(inode)->i_unwritten);
}
}

6
fs/ext4/file.c
View File

@ -55,11 +55,11 @@ static int ext4_release_file(struct inode *inode, struct file *filp)
return 0;
}
static void ext4_aiodio_wait(struct inode *inode)
static void ext4_unwritten_wait(struct inode *inode)
{
wait_queue_head_t *wq = ext4_ioend_wq(inode);
wait_event(*wq, (atomic_read(&EXT4_I(inode)->i_aiodio_unwritten) == 0));
wait_event(*wq, (atomic_read(&EXT4_I(inode)->i_unwritten) == 0));
}
/*
@ -116,7 +116,7 @@ ext4_file_dio_write(struct kiocb *iocb, const struct iovec *iov,
"performance will be poor.",
inode->i_ino, current->comm);
mutex_lock(ext4_aio_mutex(inode));
ext4_aiodio_wait(inode);
ext4_unwritten_wait(inode);
}
BUG_ON(iocb->ki_pos != pos);

2
fs/ext4/page-io.c
View File

@ -113,7 +113,7 @@ int ext4_end_io_nolock(ext4_io_end_t *io)
if (io->flag & EXT4_IO_END_DIRECT)
inode_dio_done(inode);
/* Wake up anyone waiting on unwritten extent conversion */
if (atomic_dec_and_test(&EXT4_I(inode)->i_aiodio_unwritten))
if (atomic_dec_and_test(&EXT4_I(inode)->i_unwritten))
wake_up_all(ext4_ioend_wq(io->inode));
return ret;
}

2
fs/ext4/super.c
View File

@ -968,7 +968,7 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
ei->i_sync_tid = 0;
ei->i_datasync_tid = 0;
atomic_set(&ei->i_ioend_count, 0);
atomic_set(&ei->i_aiodio_unwritten, 0);
atomic_set(&ei->i_unwritten, 0);
return &ei->vfs_inode;
}