diff options
| -rw-r--r-- | fs/nfsd/vfs.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 44aa92aba89..6e50aaa56ca 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -744,16 +744,44 @@ nfsd_close(struct file *filp) fput(filp); } +/* + * Sync a file + * As this calls fsync (not fdatasync) there is no need for a write_inode + * after it. + */ +static inline int nfsd_dosync(struct file *filp, struct dentry *dp, + const struct file_operations *fop) +{ + struct inode *inode = dp->d_inode; + int (*fsync) (struct file *, struct dentry *, int); + int err; + + err = filemap_fdatawrite(inode->i_mapping); + if (err == 0 && fop && (fsync = fop->fsync)) + err = fsync(filp, dp, 0); + if (err == 0) + err = filemap_fdatawait(inode->i_mapping); + + return err; +} + static int nfsd_sync(struct file *filp) { - return vfs_fsync(filp, filp->f_path.dentry, 0); + int err; + struct inode *inode = filp->f_path.dentry->d_inode; + dprintk("nfsd: sync file %s\n", filp->f_path.dentry->d_name.name); + mutex_lock(&inode->i_mutex); + err=nfsd_dosync(filp, filp->f_path.dentry, filp->f_op); + mutex_unlock(&inode->i_mutex); + + return err; } int -nfsd_sync_dir(struct dentry *dentry) +nfsd_sync_dir(struct dentry *dp) { - return vfs_fsync(NULL, dentry, 0); + return nfsd_dosync(NULL, dp, dp->d_inode->i_fop); } /* |