NAS-126719 / Add O_RESOLVE_NO_SYMLINKS #268
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This is required for Samba 4.17 and higher. Internally samba uses the openat2 flag RESOLVE_NO_SYMLINKS as an optimization to create a fast-path for opening files that helps mitigate some of Samba 4.13+ metadata performance regression due to symlink safety checks. This commit adds an open flag equivalent to MNT_NOSYMLFOLLOW mount flag.
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This is required for Samba 4.17 and higher. Internally samba uses the openat2 flag RESOLVE_NO_SYMLINKS as an optimization to create a fast-path for opening files that helps mitigate some of Samba 4.13+ metadata performance regression due to symlink safety checks. This commit adds an open flag equivalent to MNT_NOSYMLFOLLOW mount flag.