diff options
Diffstat (limited to 'fs/sync.c')
| -rw-r--r-- | fs/sync.c | 47 |
1 files changed, 6 insertions, 41 deletions
diff --git a/fs/sync.c b/fs/sync.c index 14eefeb4463..b28d1dd10e8 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -177,7 +177,7 @@ SYSCALL_DEFINE1(syncfs, int, fd) */ int vfs_fsync_range(struct file *file, loff_t start, loff_t end, int datasync) { - if (!file->f_op || !file->f_op->fsync) + if (!file->f_op->fsync) return -EINVAL; return file->f_op->fsync(file, start, end, datasync); } @@ -219,23 +219,6 @@ SYSCALL_DEFINE1(fdatasync, unsigned int, fd) return do_fsync(fd, 1); } -/** - * generic_write_sync - perform syncing after a write if file / inode is sync - * @file: file to which the write happened - * @pos: offset where the write started - * @count: length of the write - * - * This is just a simple wrapper about our general syncing function. - */ -int generic_write_sync(struct file *file, loff_t pos, loff_t count) -{ - if (!(file->f_flags & O_DSYNC) && !IS_SYNC(file->f_mapping->host)) - return 0; - return vfs_fsync_range(file, pos, pos + count - 1, - (file->f_flags & __O_SYNC) ? 0 : 1); -} -EXPORT_SYMBOL(generic_write_sync); - /* * sys_sync_file_range() permits finely controlled syncing over a segment of * a file in the range offset .. (offset+nbytes-1) inclusive. If nbytes is @@ -283,8 +266,8 @@ EXPORT_SYMBOL(generic_write_sync); * already-instantiated disk blocks, there are no guarantees here that the data * will be available after a crash. */ -SYSCALL_DEFINE(sync_file_range)(int fd, loff_t offset, loff_t nbytes, - unsigned int flags) +SYSCALL_DEFINE4(sync_file_range, int, fd, loff_t, offset, loff_t, nbytes, + unsigned int, flags) { int ret; struct fd f; @@ -332,7 +315,7 @@ SYSCALL_DEFINE(sync_file_range)(int fd, loff_t offset, loff_t nbytes, if (!f.file) goto out; - i_mode = f.file->f_path.dentry->d_inode->i_mode; + i_mode = file_inode(f.file)->i_mode; ret = -ESPIPE; if (!S_ISREG(i_mode) && !S_ISBLK(i_mode) && !S_ISDIR(i_mode) && !S_ISLNK(i_mode)) @@ -365,29 +348,11 @@ out_put: out: return ret; } -#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS -asmlinkage long SyS_sync_file_range(long fd, loff_t offset, loff_t nbytes, - long flags) -{ - return SYSC_sync_file_range((int) fd, offset, nbytes, - (unsigned int) flags); -} -SYSCALL_ALIAS(sys_sync_file_range, SyS_sync_file_range); -#endif /* It would be nice if people remember that not all the world's an i386 when they introduce new system calls */ -SYSCALL_DEFINE(sync_file_range2)(int fd, unsigned int flags, - loff_t offset, loff_t nbytes) +SYSCALL_DEFINE4(sync_file_range2, int, fd, unsigned int, flags, + loff_t, offset, loff_t, nbytes) { return sys_sync_file_range(fd, offset, nbytes, flags); } -#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS -asmlinkage long SyS_sync_file_range2(long fd, long flags, - loff_t offset, loff_t nbytes) -{ - return SYSC_sync_file_range2((int) fd, (unsigned int) flags, - offset, nbytes); -} -SYSCALL_ALIAS(sys_sync_file_range2, SyS_sync_file_range2); -#endif |
