diff options
Diffstat (limited to 'fs/xfs/xfs_file.c')
| -rw-r--r-- | fs/xfs/xfs_file.c | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index e612a0233710..62649ccdbb4d 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -714,24 +714,11 @@ xfs_file_dax_write( struct address_space *mapping = iocb->ki_filp->f_mapping; struct inode *inode = mapping->host; struct xfs_inode *ip = XFS_I(inode); - struct xfs_mount *mp = ip->i_mount; ssize_t ret = 0; - int unaligned_io = 0; - int iolock; + int iolock = XFS_IOLOCK_EXCL; struct iov_iter data; - /* "unaligned" here means not aligned to a filesystem block */ - if ((iocb->ki_pos & mp->m_blockmask) || - ((iocb->ki_pos + iov_iter_count(from)) & mp->m_blockmask)) { - unaligned_io = 1; - iolock = XFS_IOLOCK_EXCL; - } else if (mapping->nrpages) { - iolock = XFS_IOLOCK_EXCL; - } else { - iolock = XFS_IOLOCK_SHARED; - } xfs_rw_ilock(ip, iolock); - ret = xfs_file_aio_write_checks(iocb, from, &iolock); if (ret) goto out; @@ -758,11 +745,6 @@ xfs_file_dax_write( WARN_ON_ONCE(ret); } - if (iolock == XFS_IOLOCK_EXCL && !unaligned_io) { - xfs_rw_ilock_demote(ip, XFS_IOLOCK_EXCL); - iolock = XFS_IOLOCK_SHARED; - } - trace_xfs_file_dax_write(ip, iov_iter_count(from), iocb->ki_pos); data = *from; |