From f898d6c09caa40d82203acd72e9fda3cd5aeae74 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 21 Jun 2005 15:40:48 +1000 Subject: [XFS] quiesce the filesystem proper when freezing SGI-PV: 936977 SGI-Modid: xfs-linux:xfs-kern:193840a Signed-off-by: Christoph Hellwig Signed-off-by: Nathan Scott --- fs/xfs/linux-2.6/xfs_super.c | 6 ++++-- fs/xfs/linux-2.6/xfs_vfs.h | 1 + 2 files changed, 5 insertions(+), 2 deletions(-) (limited to 'fs/xfs/linux-2.6') diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index d5f0340ddcd..5fe9af38aa2 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -590,8 +590,10 @@ linvfs_sync_super( int error; int flags = SYNC_FSDATA; - if (wait) - flags |= SYNC_WAIT; + if (unlikely(sb->s_frozen == SB_FREEZE_WRITE)) + flags = SYNC_QUIESCE; + else + flags = SYNC_FSDATA | (wait ? SYNC_WAIT : 0); VFS_SYNC(vfsp, flags, NULL, error); sb->s_dirt = 0; diff --git a/fs/xfs/linux-2.6/xfs_vfs.h b/fs/xfs/linux-2.6/xfs_vfs.h index 76493991578..7ee1f714e9b 100644 --- a/fs/xfs/linux-2.6/xfs_vfs.h +++ b/fs/xfs/linux-2.6/xfs_vfs.h @@ -107,6 +107,7 @@ typedef enum { #define SYNC_FSDATA 0x0020 /* flush fs data (e.g. superblocks) */ #define SYNC_REFCACHE 0x0040 /* prune some of the nfs ref cache */ #define SYNC_REMOUNT 0x0080 /* remount readonly, no dummy LRs */ +#define SYNC_QUIESCE 0x0100 /* quiesce fileystem for a snapshot */ typedef int (*vfs_mount_t)(bhv_desc_t *, struct xfs_mount_args *, struct cred *); -- cgit v1.2.3