mirror of https://gitee.com/openkylin/linux.git
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
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/*
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* fsync.c
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*
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* PURPOSE
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* Fsync handling routines for the OSTA-UDF(tm) filesystem.
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*
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* COPYRIGHT
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* This file is distributed under the terms of the GNU General Public
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* License (GPL). Copies of the GPL can be obtained from:
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* ftp://prep.ai.mit.edu/pub/gnu/GPL
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* Each contributing author retains all rights to their own work.
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*
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* (C) 1999-2001 Ben Fennema
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* (C) 1999-2000 Stelias Computing Inc
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*
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* HISTORY
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*
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* 05/22/99 blf Created.
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*/
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#include "udfdecl.h"
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#include <linux/fs.h>
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#include <linux/smp_lock.h>
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static int udf_fsync_inode(struct inode *, int);
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/*
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* File may be NULL when we are called. Perhaps we shouldn't
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* even pass file to fsync ?
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*/
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int udf_fsync_file(struct file * file, struct dentry *dentry, int datasync)
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{
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struct inode *inode = dentry->d_inode;
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return udf_fsync_inode(inode, datasync);
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}
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static int udf_fsync_inode(struct inode *inode, int datasync)
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{
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int err;
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err = sync_mapping_buffers(inode->i_mapping);
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if (!(inode->i_state & I_DIRTY))
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return err;
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if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
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return err;
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err |= udf_sync_inode (inode);
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return err ? -EIO : 0;
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}
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