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58f2a4c793
sysfs: remove s_sibling hacks s_sibling was used for three different purposes: 1) as a linked list of entries in the directory 2) as a linked list of entries to be deleted 3) as a pointer to "struct completion" This patch removes the hack and introduces new union u which holds pointers for cases 2) and 3). This change is needed for the following patch that removes s_sibling at all and replaces it with a rb tree. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>