[PATCH 1/4] fs: add SEEK_HOLE and SEEK_DATA flags
Marco Stornelli
marco.stornelli at gmail.com
Fri Jul 29 04:58:47 CDT 2011
Sorry maybe I'm a bit late? :)
Il 28/06/2011 17:33, Josef Bacik ha scritto:
>
> loff_t default_llseek(struct file *file, loff_t offset, int origin)
> {
> + struct inode *inode = file->f_path.dentry->d_inode;
> loff_t retval;
>
> - mutex_lock(&file->f_dentry->d_inode->i_mutex);
> + mutex_lock(&inode->i_mutex);
> switch (origin) {
> case SEEK_END:
> - offset += i_size_read(file->f_path.dentry->d_inode);
> + offset += i_size_read(inode);
Here we are under mutex, so I think we can use directly i_size without
i_size_read.
Marco
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