Messages in this thread | | | Subject | Re: ctime set by truncate even if NOCMTIME requested | From | Miklos Szeredi <> | Date | Tue, 20 Sep 2005 14:20:06 +0200 |
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> > ATTR_MTIME is _only_ set in utime[s], which all filesystems want to > > honor. > > ATTR_MTIME is set in both utimes and truncate.
Not in truncate:
int do_truncate(struct dentry *dentry, loff_t length) { /* ... */
newattrs.ia_size = length; newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
down(&dentry->d_inode->i_sem); err = notify_change(dentry, &newattrs); up(&dentry->d_inode->i_sem); return err; }
> As for ATTR_CTIME, that is also set in chown(), chmod(). It too can be > optimised away for those operations, assuming that CIFS servers > automatically update ctime.
Yes, I realized this shortly after posting.
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