diff options
Diffstat (limited to 'fs/xfs/xfs_file.c')
-rw-r--r-- | fs/xfs/xfs_file.c | 45 |
1 files changed, 11 insertions, 34 deletions
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index f675f3d9d7b3..86d5dc260464 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -327,7 +327,7 @@ xfs_file_aio_read( mp->m_rtdev_targp : mp->m_ddev_targp; if ((iocb->ki_pos & target->bt_smask) || (size & target->bt_smask)) { - if (iocb->ki_pos == ip->i_size) + if (iocb->ki_pos == i_size_read(inode)) return 0; return -XFS_ERROR(EINVAL); } @@ -412,30 +412,6 @@ xfs_file_splice_read( return ret; } -STATIC void -xfs_aio_write_isize_update( - struct inode *inode, - loff_t *ppos, - ssize_t bytes_written) -{ - struct xfs_inode *ip = XFS_I(inode); - xfs_fsize_t isize = i_size_read(inode); - - if (bytes_written > 0) - XFS_STATS_ADD(xs_write_bytes, bytes_written); - - if (unlikely(bytes_written < 0 && bytes_written != -EFAULT && - *ppos > isize)) - *ppos = isize; - - if (*ppos > ip->i_size) { - xfs_rw_ilock(ip, XFS_ILOCK_EXCL); - if (*ppos > ip->i_size) - ip->i_size = *ppos; - xfs_rw_iunlock(ip, XFS_ILOCK_EXCL); - } -} - /* * If this was a direct or synchronous I/O that failed (such as ENOSPC) then * part of the I/O may have been written to disk before the error occurred. In @@ -451,8 +427,8 @@ xfs_aio_write_newsize_update( xfs_rw_ilock(ip, XFS_ILOCK_EXCL); if (new_size == ip->i_new_size) ip->i_new_size = 0; - if (ip->i_d.di_size > ip->i_size) - ip->i_d.di_size = ip->i_size; + if (ip->i_d.di_size > i_size_read(VFS_I(ip))) + ip->i_d.di_size = i_size_read(VFS_I(ip)); xfs_rw_iunlock(ip, XFS_ILOCK_EXCL); } } @@ -492,15 +468,16 @@ xfs_file_splice_write( new_size = *ppos + count; xfs_ilock(ip, XFS_ILOCK_EXCL); - if (new_size > ip->i_size) + if (new_size > i_size_read(inode)) ip->i_new_size = new_size; xfs_iunlock(ip, XFS_ILOCK_EXCL); trace_xfs_file_splice_write(ip, count, *ppos, ioflags); ret = generic_file_splice_write(pipe, outfilp, ppos, count, flags); + if (ret > 0) + XFS_STATS_ADD(xs_write_bytes, ret); - xfs_aio_write_isize_update(inode, ppos, ret); xfs_aio_write_newsize_update(ip, new_size); xfs_iunlock(ip, XFS_IOLOCK_EXCL); return ret; @@ -728,14 +705,14 @@ restart: * values are still valid. */ if ((ip->i_new_size && *pos > ip->i_new_size) || - (!ip->i_new_size && *pos > ip->i_size)) { + (!ip->i_new_size && *pos > i_size_read(inode))) { if (*iolock == XFS_IOLOCK_SHARED) { xfs_rw_iunlock(ip, XFS_ILOCK_EXCL | *iolock); *iolock = XFS_IOLOCK_EXCL; xfs_rw_ilock(ip, XFS_ILOCK_EXCL | *iolock); goto restart; } - error = -xfs_zero_eof(ip, *pos, ip->i_size); + error = -xfs_zero_eof(ip, *pos, i_size_read(inode)); } /* @@ -744,7 +721,7 @@ restart: * ip->i_new_size if this IO ends beyond any other in-flight writes. */ new_size = *pos + *count; - if (new_size > ip->i_size) { + if (new_size > i_size_read(inode)) { if (new_size > ip->i_new_size) ip->i_new_size = new_size; *new_sizep = new_size; @@ -957,11 +934,11 @@ xfs_file_aio_write( ret = xfs_file_buffered_aio_write(iocb, iovp, nr_segs, pos, ocount, &new_size, &iolock); - xfs_aio_write_isize_update(inode, &iocb->ki_pos, ret); - if (ret <= 0) goto out_unlock; + XFS_STATS_ADD(xs_write_bytes, ret); + /* Handle various SYNC-type writes */ if ((file->f_flags & O_DSYNC) || IS_SYNC(inode)) { loff_t end = pos + ret - 1; |