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Commit 46fdb794 authored by Miklos Szeredi's avatar Miklos Szeredi
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shmem: support RENAME_WHITEOUT



Allocate a dentry, initialize it with a whiteout and hash it in the place
of the old dentry.  Later the old dentry will be moved away and the
whiteout will remain.

i_mutex protects agains concurrent readdir.

Signed-off-by: default avatarMiklos Szeredi <mszeredi@suse.cz>
Cc: Hugh Dickins <hughd@google.com>
parent cd808dec
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