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path: root/fs/overlayfs/namei.c
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2016-12-16ovl: consolidate lookup for underlying layersMiklos Szeredi
Use a common helper for lookup of upper and lower layers. This paves the way for looking up directory redirects. No functional change. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2016-12-16ovl: check namelenMiklos Szeredi
We already calculate f_namelen in statfs as the maximum of the name lengths provided by the filesystems taking part in the overlay. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2016-12-16ovl: split super.cMiklos Szeredi
fs/overlayfs/super.c is the biggest of the overlayfs source files and it contains various utility functions as well as the rather complicated lookup code. Split these parts out to separate files. Before: 1446 fs/overlayfs/super.c After: 919 fs/overlayfs/super.c 267 fs/overlayfs/namei.c 235 fs/overlayfs/util.c 51 fs/overlayfs/ovl_entry.h Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>