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fuse-overlayfs: skip whiteouts when comparing hardlinks during a rename

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Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano 2018-07-12 18:32:06 +02:00
parent 382b0d8e0c
commit f58a9c452e
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GPG Key ID: E4730F97F60286ED
1 changed files with 4 additions and 2 deletions
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6
main.c
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@ -2481,7 +2481,7 @@ ovl_rename (fuse_req_t req, fuse_ino_t parent, const char *name,
}
}
if (destnode != NULL && node_dirp (destnode))
if (destnode != NULL && !destnode->whiteout && node_dirp (destnode))
{
errno = EISDIR;
goto error;
@ -2490,7 +2490,7 @@ ovl_rename (fuse_req_t req, fuse_ino_t parent, const char *name,
rm = hash_lookup (destpnode->children, &key);
if (rm)
{
if (rm->ino == node->ino)
if (!rm->whiteout && rm->ino == node->ino)
{
fuse_reply_err (req, 0);
return;
@ -2562,6 +2562,8 @@ ovl_rename (fuse_req_t req, fuse_ino_t parent, const char *name,
}
else
{
unlinkat (destfd, newname, 0);
/* Try to create the whiteout atomically, if it fails do the
rename+mknod separately. */
ret = syscall (SYS_renameat2, srcfd, name, destfd,