From 4d346bea8f0bf6d6351037899586a85435c15b9b Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Wed, 25 Mar 2015 16:38:33 -0400 Subject: [PATCH] NFS: Add a helper to sync both O_DIRECT and buffered writes Then apply it to nfs_setattr() and nfs_getattr(). Signed-off-by: Trond Myklebust --- fs/nfs/inode.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index d42dff6d5e98..60f907666697 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -133,6 +133,12 @@ void nfs_evict_inode(struct inode *inode) nfs_clear_inode(inode); } +static int nfs_sync_inode(struct inode *inode) +{ + nfs_inode_dio_wait(inode); + return nfs_wb_all(inode); +} + /** * nfs_sync_mapping - helper to flush all mmapped dirty data to disk */ @@ -525,10 +531,8 @@ nfs_setattr(struct dentry *dentry, struct iattr *attr) trace_nfs_setattr_enter(inode); /* Write all dirty data */ - if (S_ISREG(inode->i_mode)) { - nfs_inode_dio_wait(inode); - nfs_wb_all(inode); - } + if (S_ISREG(inode->i_mode)) + nfs_sync_inode(inode); fattr = nfs_alloc_fattr(); if (fattr == NULL) @@ -644,8 +648,7 @@ int nfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) trace_nfs_getattr_enter(inode); /* Flush out writes to the server in order to update c/mtime. */ if (S_ISREG(inode->i_mode)) { - nfs_inode_dio_wait(inode); - err = filemap_write_and_wait(inode->i_mapping); + err = nfs_sync_inode(inode); if (err) goto out; } -- GitLab