Suman Chakravartula e18be9a637 Add overlay(-O) mount option support ... Linux supports mounting over non-empty directories by default. In Solaris this is not the case and -O option is required for zfs mount to mount a zfs filesystem over a non-empty directory. For compatibility, I've added support for -O option to mount zfs filesystems over non-empty directories if the user wants to, just like in Solaris. I've defined MS_OVERLAY to record it in the flags variable if the -O option is supplied. The flags variable passes through a few functions and its checked before performing the empty directory check in zfs_mount function. If -O is given, the check is not performed. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #473		2012-01-12 15:49:38 -08:00
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.gitignore	Add .gitignore files to exclude build products	2010-01-08 11:35:17 -08:00
Makefile.am	Add missing -ldl linker option	2011-02-10 11:05:44 -08:00
Makefile.in	Linux 3.1 compat, super_block->s_shrink	2012-01-11 11:46:02 -08:00
zfs_iter.c	Update core ZFS code from build 121 to build 141.	2010-05-28 13:45:14 -07:00
zfs_iter.h	Update core ZFS code from build 121 to build 141.	2010-05-28 13:45:14 -07:00
zfs_main.c	Add overlay(-O) mount option support	2012-01-12 15:49:38 -08:00
zfs_util.h	Update core ZFS code from build 121 to build 141.	2010-05-28 13:45:14 -07:00