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sanitize ->fsync() for affs

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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); void affs_free_prealloc(struct inode *inode);
extern void affs_truncate(struct inode *); extern void affs_truncate(struct inode *);
int affs_file_fsync(struct file *, struct dentry *, int);
/* dir.c */ /* dir.c */

2
fs/affs/dir.c
View File

@ -21,7 +21,7 @@ const struct file_operations affs_dir_operations = {
.read = generic_read_dir, .read = generic_read_dir,
.llseek = generic_file_llseek, .llseek = generic_file_llseek,
.readdir = affs_readdir, .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, .mmap = generic_file_mmap,
.open = affs_file_open, .open = affs_file_open,
.release = affs_file_release, .release = affs_file_release,
.fsync = file_fsync, .fsync = affs_file_fsync,
.splice_read = generic_file_splice_read, .splice_read = generic_file_splice_read,
}; };
@ -915,3 +915,15 @@ affs_truncate(struct inode *inode)
} }
affs_free_prealloc(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;
}