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Revert "kernfs: remove KERNFS_REMOVED"

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This reverts commit ae34372eb8.

Tejun writes:
        I'm sorry but can you please revert the whole series?
        get_active() waiting while a node is deactivated has potential
        to lead to deadlock and that deactivate/reactivate interface is
        something fundamentally flawed and that cgroup will have to work
        with the remove_self() like everybody else.  IOW, I think the
        first posting was correct.

Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2014-01-13 14:36:03 -08:00
parent 4f4b1b6471
commit 798c75a0d4
5 changed files with 44 additions and 61 deletions
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3
fs/kernfs/kernfs-internal.h
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@ -26,8 +26,7 @@ struct kernfs_iattrs {
struct simple_xattrs xattrs;
};
/* +1 to avoid triggering overflow warning when negating it */
#define KN_DEACTIVATED_BIAS (INT_MIN + 1)
#define KN_DEACTIVATED_BIAS INT_MIN
/* KERNFS_TYPE_MASK and types are defined in include/linux/kernfs.h */