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Diffstat (limited to 'fs/sync.c')
-rw-r--r--fs/sync.c47
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