From 1e8b212fe5dcee9d3dbb152d235f3c33458fb26e Mon Sep 17 00:00:00 2001 From: Jan Kara Date: Tue, 12 Jun 2012 16:20:46 +0200 Subject: ext2: Implement freezing The only missing piece to make freezing work reliably with ext2 is to stop iput() of unlinked inode from deleting the inode on frozen filesystem. So add a necessary protection to ext2_evict_inode(). We also provide appropriate ->freeze_fs and ->unfreeze_fs functions. Signed-off-by: Jan Kara Signed-off-by: Al Viro --- fs/ext2/inode.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'fs/ext2/inode.c') diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 264d315f6c4..6363ac66faf 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -79,6 +79,7 @@ void ext2_evict_inode(struct inode * inode) truncate_inode_pages(&inode->i_data, 0); if (want_delete) { + sb_start_intwrite(inode->i_sb); /* set dtime */ EXT2_I(inode)->i_dtime = get_seconds(); mark_inode_dirty(inode); @@ -98,8 +99,10 @@ void ext2_evict_inode(struct inode * inode) if (unlikely(rsv)) kfree(rsv); - if (want_delete) + if (want_delete) { ext2_free_inode(inode); + sb_end_intwrite(inode->i_sb); + } } typedef struct { -- cgit v1.2.3