On Mon, Mar 21, 2022 at 03:33:15PM -0700, Jaegeuk Kim wrote:
> This was used in Android for a long time. Let's upstream it.
>
You still need to explain why this is useful.
> +static inline char *f2fs_get_pathname(char *buf, int len, struct inode
> *inode)
> +{
> + char *path;
> + struct dentry *d;
> +
> + /*
> + * d_obtain_alias() will either iput() if it locates an existing
> + * dentry or transfer the reference to the new dentry created.
> + * So get an extra reference here.
> + */
> + ihold(inode);
> + d = d_obtain_alias(inode);
Why does this use d_obtain_alias() to get a dentry instead of just using the
dentry of the open file?
- Eric
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