From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id q8ECIIXh092205 for ; Fri, 14 Sep 2012 07:18:18 -0500 Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by cuda.sgi.com with ESMTP id p9guEGphEpUUfV5f for ; Fri, 14 Sep 2012 05:19:25 -0700 (PDT) Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q8ECJPkm024937 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 14 Sep 2012 08:19:25 -0400 Received: from bfoster.bfoster ([10.16.225.83]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q8ECJPhB030671 for ; Fri, 14 Sep 2012 08:19:25 -0400 From: Brian Foster Subject: [PATCH v3 6/8] xfs: add XFS_IOC_FREE_EOFBLOCKS ioctl Date: Fri, 14 Sep 2012 08:19:53 -0400 Message-Id: <1347625195-6369-7-git-send-email-bfoster@redhat.com> In-Reply-To: <1347625195-6369-1-git-send-email-bfoster@redhat.com> References: <1347625195-6369-1-git-send-email-bfoster@redhat.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com The XFS_IOC_FREE_EOFBLOCKS ioctl allows users to invoke an EOFBLOCKS scan. The xfs_eofblocks structure is defined to support the command parameters (scan mode). Signed-off-by: Brian Foster --- fs/xfs/xfs_fs.h | 14 ++++++++++++++ fs/xfs/xfs_ioctl.c | 12 ++++++++++++ 2 files changed, 26 insertions(+), 0 deletions(-) diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h index c13fed8..32bb2e8 100644 --- a/fs/xfs/xfs_fs.h +++ b/fs/xfs/xfs_fs.h @@ -339,6 +339,19 @@ typedef struct xfs_error_injection { /* + * Speculative preallocation trimming. + */ +struct xfs_eofblocks { + __u32 eof_flags; + __s32 version; + unsigned char pad[12]; +}; + +/* eof_flags values */ +#define XFS_EOF_FLAGS_FORCE 0x01 /* force/wait mode scan */ + + +/* * The user-level Handle Request interface structure. */ typedef struct xfs_fsop_handlereq { @@ -456,6 +469,7 @@ typedef struct xfs_handle { /* XFS_IOC_GETBIOSIZE ---- deprecated 47 */ #define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap) #define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64) +#define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_eofblocks) /* * ioctl commands that replace IRIX syssgi()'s diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 0e0232c..216ca7a 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -1602,6 +1602,18 @@ xfs_file_ioctl( error = xfs_errortag_clearall(mp, 1); return -error; + case XFS_IOC_FREE_EOFBLOCKS: { + struct xfs_eofblocks eofb; + int flags; + + if (copy_from_user(&eofb, arg, sizeof(eofb))) + return -XFS_ERROR(EFAULT); + + flags = (eofb.eof_flags & XFS_EOF_FLAGS_FORCE) ? SYNC_WAIT : SYNC_TRYLOCK; + error = xfs_inodes_free_eofblocks(mp, flags); + return -error; + } + default: return -ENOTTY; } -- 1.7.7.6 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs