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authorAmir Goldstein <amir73il@gmail.com>2017-11-21 13:55:51 +0200
committerMiklos Szeredi <mszeredi@redhat.com>2018-01-24 11:25:52 +0100
commit86eaa13046d5e814484c89f635a95b0342b765ad (patch)
tree189e380030e95f8267ea015c1c9b3698828ef696 /fs/gfs2
parent37b12916c0f802d956c767db984801d3100c6524 (diff)
downloadlinux-86eaa13046d5e814484c89f635a95b0342b765ad.tar.bz2
ovl: unbless lower st_ino of unverified origin
On a malformed overlay, several redirected dirs can point to the same dir on a lower layer. This presents a similar challenge as broken hardlinks, because different objects in the overlay can return the same st_ino/st_dev pair from stat(2). For broken hardlinks, we do not provide constant st_ino on copy up to avoid this inconsistency. When NFS export feature is enabled, apply the same logic to files and directories with unverified lower origin. Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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