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xfs: refactor xfs_setfilesize 

Rename the current function to __xfs_setfilesize and add a non-static
wrapper that also takes care of creating the transaction.  This new
helper will be used by the new iomap-based DAX path.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2016-09-19 11:26:41 +10:00 committed by Dave Chinner
parent 66642c5c1d
commit e372843a40
2 changed files with 22 additions and 10 deletions
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31
fs/xfs/xfs_aops.c
View File

@ -200,7 +200,7 @@ xfs_setfilesize_trans_alloc(
* Update on-disk file size now that data has been written to disk.
*/
STATIC int
xfs_setfilesize(
__xfs_setfilesize(
struct xfs_inode *ip,
struct xfs_trans *tp,
xfs_off_t offset,
@ -225,6 +225,23 @@ xfs_setfilesize(
return xfs_trans_commit(tp);
}
int
xfs_setfilesize(
struct xfs_inode *ip,
xfs_off_t offset,
size_t size)
{
struct xfs_mount *mp = ip->i_mount;
struct xfs_trans *tp;
int error;
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_fsyncts, 0, 0, 0, &tp);
if (error)
return error;
return __xfs_setfilesize(ip, tp, offset, size);
}
STATIC int
xfs_setfilesize_ioend(
struct xfs_ioend *ioend,
@ -247,7 +264,7 @@ xfs_setfilesize_ioend(
return error;
}
return xfs_setfilesize(ip, tp, ioend->io_offset, ioend->io_size);
return __xfs_setfilesize(ip, tp, ioend->io_offset, ioend->io_size);
}
/*
@ -1336,13 +1353,12 @@ xfs_end_io_direct_write(
{
struct inode *inode = file_inode(iocb->ki_filp);
struct xfs_inode *ip = XFS_I(inode);
struct xfs_mount *mp = ip->i_mount;
uintptr_t flags = (uintptr_t)private;
int error = 0;
trace_xfs_end_io_direct_write(ip, offset, size);
if (XFS_FORCED_SHUTDOWN(mp))
if (XFS_FORCED_SHUTDOWN(ip->i_mount))
return -EIO;
if (size <= 0)
@ -1380,14 +1396,9 @@ xfs_end_io_direct_write(
error = xfs_iomap_write_unwritten(ip, offset, size);
} else if (flags & XFS_DIO_FLAG_APPEND) {
struct xfs_trans *tp;
trace_xfs_end_io_direct_write_append(ip, offset, size);
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_fsyncts, 0, 0, 0,
&tp);
if (!error)
error = xfs_setfilesize(ip, tp, offset, size);
error = xfs_setfilesize(ip, offset, size);
}
return error;

1
fs/xfs/xfs_aops.h
View File

@ -62,6 +62,7 @@ int xfs_get_blocks_dax_fault(struct inode *inode, sector_t offset,
int xfs_end_io_direct_write(struct kiocb *iocb, loff_t offset,
ssize_t size, void *private);
int xfs_setfilesize(struct xfs_inode *ip, xfs_off_t offset, size_t size);
extern void xfs_count_page_state(struct page *, int *, int *);
extern struct block_device *xfs_find_bdev_for_inode(struct inode *);