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| 1 | /* | |||
| 2 | * linux/fs/ext2/fsync.c | |||
| 3 | * | |||
| 4 | * Copyright (C) 1993 Stephen Tweedie (sct@dcs.ed.ac.uk) | |||
| 5 | * from | |||
| 6 | * Copyright (C) 1992 Remy Card (card@masi.ibp.fr) | |||
| 7 | * Laboratoire MASI - Institut Blaise Pascal | |||
| 8 | * Universite Pierre et Marie Curie (Paris VI) | |||
| 9 | * from | |||
| 10 | * linux/fs/minix/truncate.c Copyright (C) 1991, 1992 Linus Torvalds | |||
| 11 | * | |||
| 12 | * ext2fs fsync primitive | |||
| 13 | * | |||
| 14 | * Big-endian to little-endian byte-swapping/bitmaps by | |||
| 15 | * David S. Miller (davem@caip.rutgers.edu), 1995 | |||
| 16 | * | |||
| 17 | * Removed unnecessary code duplication for little endian machines | |||
| 18 | * and excessive __inline__s. | |||
| 19 | * Andi Kleen, 1997 | |||
| 20 | * | |||
| 21 | * Major simplications and cleanup - we only need to do the metadata, because | |||
| 22 | * we can depend on generic_block_fdatasync() to sync the data blocks. | |||
| 23 | */ | |||
| 24 | ||||
| 25 | #include "ext2.h" | |||
| 26 | #include <linux/smp_lock.h> | |||
| 27 | #include <linux/buffer_head.h> /* for fsync_inode_buffers() */ | |||
| 28 | ||||
| 29 | ||||
| 30 | /* | |||
| 31 | * File may be NULL when we are called. Perhaps we shouldn't | |||
| 32 | * even pass file to fsync ? | |||
| 33 | */ | |||
| 34 | ||||
| 0 | 0 | - | 35 | int ext2_sync_file(struct file *file, struct dentry *dentry, int datasync) |
| 36 | { | |||
| 37 | struct inode *inode = dentry->d_inode; | |||
| 38 | int err; | |||
| 39 | int ret; | |||
| 40 | ||||
| 41 | ret = sync_mapping_buffers(inode->i_mapping); | |||
| 0 | 0 | - | 42 | if (!(inode->i_state & I_DIRTY)) |
| 0 | - | 43 | return ret; | |
| 0 | 0 | - | 44 | if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) |
| 0 | - | 44 | T && !(F) | |
| 0 | - | 44 | T && !(T) | |
| 0 | - | 44 | F && !(_) | |
| 0 | - | 45 | return ret; | |
| 46 | ||||
| 47 | err = ext2_sync_inode(inode); | |||
| 0 | 0 | - | 48 | if (ret == 0) |
| 49 | ret = err; | |||
| 0 | - | 50 | return ret; | |
| 51 | } | |||
| ***TER 0% (0/13) of SOURCE FILE fsync.c | ||||