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rename the generic fsync implementations

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We don't name our generic fsync implementations very well currently.
The no-op implementation for in-memory filesystems currently is called
simple_sync_file which doesn't make too much sense to start with,
the the generic one for simple filesystems is called simple_fsync
which can lead to some confusion.

This patch renames the generic file fsync method to generic_file_fsync
to match the other generic_file_* routines it is supposed to be used
with, and the no-op implementation to noop_fsync to make it obvious
what to expect.  In addition add some documentation for both methods.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Christoph Hellwig 2010-05-26 17:53:41 +02:00 • committed by Al Viro
commit 1b061d9247
23 changed files with 44 additions and 32 deletions
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2
fs/ext2/file.c
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@ -46,7 +46,7 @@ int ext2_fsync(struct file *file, int datasync)
struct super_block *sb = file->f_mapping->host->i_sb;
struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping;
ret = simple_fsync(file, datasync);
ret = generic_file_fsync(file, datasync);
if (ret == -EIO || test_and_clear_bit(AS_EIO, &mapping->flags)) {
/* We don't really know where the IO error happened... */
ext2_error(sb, __func__,