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sanitize ->fsync() for affs

Browse source 
unfortunately, for affs (especially for affs directories) we have
no real way to keep track of metadata ownership.  So we have to
do more or less what file_fsync() does, but we do *not* need to
call write_super() there.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-06-08 01:22:00 -04:00
parent 4427f0c36e
commit c475879556
3 changed files with 15 additions and 2 deletions
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1
fs/affs/affs.h
View file

@ -182,6 +182,7 @@ extern int affs_add_entry(struct inode *dir, struct inode *inode, struct dent
void affs_free_prealloc(struct inode *inode);
extern void affs_truncate(struct inode *);
int affs_file_fsync(struct file *, struct dentry *, int);
/* dir.c */

2
fs/affs/dir.c
View file

@ -21,7 +21,7 @@ const struct file_operations affs_dir_operations = {
.read = generic_read_dir,
.llseek = generic_file_llseek,
.readdir = affs_readdir,
.fsync = file_fsync,
.fsync = affs_file_fsync,
};
/*

14
fs/affs/file.c
View file

@ -34,7 +34,7 @@ const struct file_operations affs_file_operations = {
.mmap = generic_file_mmap,
.open = affs_file_open,
.release = affs_file_release,
.fsync = file_fsync,
.fsync = affs_file_fsync,
.splice_read = generic_file_splice_read,
};
@ -915,3 +915,15 @@ affs_truncate(struct inode *inode)
}
affs_free_prealloc(inode);
}
int affs_file_fsync(struct file *filp, struct dentry *dentry, int datasync)
{
struct inode * inode = dentry->d_inode;
int ret, err;
ret = write_inode_now(inode, 0);
err = sync_blockdev(inode->i_sb->s_bdev);
if (!ret)
ret = err;
return ret;
}