From 059c138bc79320bd7d6fba91bad4d50eeec9c31f Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Tue, 8 Mar 2011 16:39:48 +0530 Subject: fs/9p: Use truncate_setsize instead of vmtruncate convert vmtruncate usage to truncate_setsize. We also writeback all dirty pages before doing 9p operations and on success call truncate_setsize. This ensure that we continue sanely on failed truncate on the server. The disadvantage is that we are now going to write back the content that get thrown away later as a part of truncate. Signed-off-by: Aneesh Kumar K.V Signed-off-by: Venkateswararao Jujjuri Signed-off-by: Eric Van Hensbergen --- fs/9p/vfs_inode_dotl.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) (limited to 'fs/9p/vfs_inode_dotl.c') diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index 327c578..0a0ac30 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -456,12 +456,6 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr) if (IS_ERR(fid)) return PTR_ERR(fid); - if ((iattr->ia_valid & ATTR_SIZE) && - iattr->ia_size != i_size_read(dentry->d_inode)) { - retval = vmtruncate(dentry->d_inode, iattr->ia_size); - if (retval) - return retval; - } /* Write all dirty data */ if (S_ISREG(dentry->d_inode->i_mode)) filemap_write_and_wait(dentry->d_inode->i_mapping); @@ -469,8 +463,12 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr) retval = p9_client_setattr(fid, &p9attr); if (retval < 0) return retval; - v9fs_invalidate_inode_attr(dentry->d_inode); + if ((iattr->ia_valid & ATTR_SIZE) && + iattr->ia_size != i_size_read(dentry->d_inode)) + truncate_setsize(dentry->d_inode, iattr->ia_size); + + v9fs_invalidate_inode_attr(dentry->d_inode); setattr_copy(dentry->d_inode, iattr); mark_inode_dirty(dentry->d_inode); if (iattr->ia_valid & ATTR_MODE) { -- cgit v1.1