[U-Boot] [PATCH v2 5/7] fs: ext4: Add support for the creation of symbolic links

Tom Rini trini at konsulko.com
Fri Feb 1 15:18:20 UTC 2019


On Fri, Feb 01, 2019 at 03:33:38PM +0100, Jean-Jacques Hiblot wrote:

> Re-use the functions used to write/create a file, to support creation of a
> symbolic link.
> The difference with a regular file are small:
> - The inode mode is flagged with S_IFLNK instead of S_IFREG
> - The ext2_dirent's filetype is FILETYPE_SYMLINK instead of FILETYPE_REG
> - Instead of storing the content of a file in allocated blocks, the path
> to the target is stored. And if the target's path is short enough, no block
> is allocated and the target's path is stored in ext2_inode.b.symlink
> 
> As with regulars files, if a file/symlink with the same name exits, it is
> unlinked first and then re-created.
> 
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot at ti.com>
> 

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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