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authorTejun Heo <tj@kernel.org>2013-11-28 23:54:42 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-11-30 06:10:48 +0400
commitdf394fb56c64244b30b442e9e02de1a2d9c5a98b (patch)
treefc6b65c4356680c92df02c12ea0e386eeff9c992 /fs/kernfs/kernfs-internal.h
parentbc755553df9ab33f389c1a0a8bd0b4f4646e80ef (diff)
downloadlinux-df394fb56c64244b30b442e9e02de1a2d9c5a98b.tar.xz
sysfs, kernfs: make super_blocks bind to different kernfs_roots
kernfs is being updated to allow multiple sysfs_dirent hierarchies so that it can also be used by other users. Currently, sysfs super_blocks are always attached to one kernfs_root - sysfs_root - and distinguished only by their namespace tags. This patch adds sysfs_super_info->root and update sysfs_fill/test_super() so that super_blocks are identified by the combination of both the associated kernfs_root and namespace tag. This allows mounting different kernfs hierarchies. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/kernfs/kernfs-internal.h')
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