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xfs: turn io_append_trans into an io_private void pointer

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In preparation for moving the ioend structure to common code we need
to get rid of the xfs-specific xfs_trans type.  Just make it a file
system private void pointer instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2019-10-17 13:12:09 -07:00 committed by Darrick J. Wong
parent 433dad94ec
commit 5653017bc4
2 changed files with 14 additions and 14 deletions
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26
fs/xfs/xfs_aops.c
View File

@ -153,7 +153,7 @@ xfs_setfilesize_trans_alloc(
if (error)
return error;
ioend->io_append_trans = tp;
ioend->io_private = tp;
/*
* We may pass freeze protection with a transaction. So tell lockdep
@ -220,7 +220,7 @@ xfs_setfilesize_ioend(
int error)
{
struct xfs_inode *ip = XFS_I(ioend->io_inode);
struct xfs_trans *tp = ioend->io_append_trans;
struct xfs_trans *tp = ioend->io_private;
/*
* The transaction may have been allocated in the I/O submission thread,
@ -285,10 +285,10 @@ xfs_end_ioend(
else if (ioend->io_type == IOMAP_UNWRITTEN)
error = xfs_iomap_write_unwritten(ip, offset, size, false);
else
ASSERT(!xfs_ioend_is_append(ioend) || ioend->io_append_trans);
ASSERT(!xfs_ioend_is_append(ioend) || ioend->io_private);
done:
if (ioend->io_append_trans)
if (ioend->io_private)
error = xfs_setfilesize_ioend(ioend, error);
xfs_destroy_ioends(ioend, error);
memalloc_nofs_restore(nofs_flag);
@ -321,13 +321,13 @@ xfs_ioend_can_merge(
* as it is guaranteed to be clean.
*/
static void
xfs_ioend_merge_append_transactions(
xfs_ioend_merge_private(
struct xfs_ioend *ioend,
struct xfs_ioend *next)
{
if (!ioend->io_append_trans) {
ioend->io_append_trans = next->io_append_trans;
next->io_append_trans = NULL;
if (!ioend->io_private) {
ioend->io_private = next->io_private;
next->io_private = NULL;
} else {
xfs_setfilesize_ioend(next, -ECANCELED);
}
@ -349,8 +349,8 @@ xfs_ioend_try_merge(
break;
list_move_tail(&next->io_list, &ioend->io_list);
ioend->io_size += next->io_size;
if (next->io_append_trans)
xfs_ioend_merge_append_transactions(ioend, next);
if (next->io_private)
xfs_ioend_merge_private(ioend, next);
}
}
@ -415,7 +415,7 @@ xfs_end_bio(
if (ioend->io_fork == XFS_COW_FORK ||
ioend->io_type == IOMAP_UNWRITTEN ||
ioend->io_append_trans != NULL) {
ioend->io_private) {
spin_lock_irqsave(&ip->i_ioend_lock, flags);
if (list_empty(&ip->i_ioend_list))
WARN_ON_ONCE(!queue_work(mp->m_unwritten_workqueue,
@ -680,7 +680,7 @@ xfs_submit_ioend(
(ioend->io_fork == XFS_COW_FORK ||
ioend->io_type != IOMAP_UNWRITTEN) &&
xfs_ioend_is_append(ioend) &&
!ioend->io_append_trans)
!ioend->io_private)
status = xfs_setfilesize_trans_alloc(ioend);
memalloc_nofs_restore(nofs_flag);
@ -729,7 +729,7 @@ xfs_alloc_ioend(
ioend->io_inode = inode;
ioend->io_size = 0;
ioend->io_offset = offset;
ioend->io_append_trans = NULL;
ioend->io_private = NULL;
ioend->io_bio = bio;
return ioend;
}

2
fs/xfs/xfs_aops.h
View File

@ -18,7 +18,7 @@ struct xfs_ioend {
struct inode *io_inode; /* file being written to */
size_t io_size; /* size of the extent */
xfs_off_t io_offset; /* offset in the file */
struct xfs_trans *io_append_trans;/* xact. for size update */
void *io_private; /* file system private data */
struct bio *io_bio; /* bio being built */
struct bio io_inline_bio; /* MUST BE LAST! */
};