Updte a README file

This commit is contained in:
Gregory Nutt 2015-06-12 08:46:54 -06:00
parent 86dfb3dd94
commit a25ad1417e
2 changed files with 15 additions and 1 deletions

View File

@ -280,7 +280,7 @@ int mount(FAR const char *source, FAR const char *target,
if (INODE_IS_SPECIAL(mountpt_inode))
{
fdbg("ERROR: target %s exists and is a special nodes\n", target);
fdbg("ERROR: target %s exists and is a special nodes\n", target);
errcode = -ENOTDIR;
goto errout_with_semaphore;
}

View File

@ -52,6 +52,20 @@ fs/unionfs/README.txt
with a writable file system (like a RAM disk). This should then give
to a readable/write-able file system with some fixed content.
Prefixes
--------
And optional prefix may be provided with each of the file systems
combined in by the Union File System. For example, suppose that:
o File system 1 is a ROMFS file system with prefix == NULL,
o File system 2 is a BINFS file system with prefix == "cgin-bin", and
o The union file system is mounted at /mnt/www.
Then the content in the in the ROMFS file system would appear at
/mnt/www and the content of the BINFS file system would appear at
/mnt/www/cgi-gin.
Example Configurations
----------------------