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Diffstat (limited to 'service_solahart_jakarta_selatan__082122541663/active_vs_passive_symlink_translator.mdwn')
-rw-r--r-- | service_solahart_jakarta_selatan__082122541663/active_vs_passive_symlink_translator.mdwn | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/service_solahart_jakarta_selatan__082122541663/active_vs_passive_symlink_translator.mdwn b/service_solahart_jakarta_selatan__082122541663/active_vs_passive_symlink_translator.mdwn new file mode 100644 index 00000000..cbd9b077 --- /dev/null +++ b/service_solahart_jakarta_selatan__082122541663/active_vs_passive_symlink_translator.mdwn @@ -0,0 +1,44 @@ +[[!meta copyright="Copyright © 2011 Free Software Foundation, Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!tag open_issue_documentation open_issue_hurd]] + +IRC, freenode, #hurd, 2011-07-25 + +Set an *active* (not *passive*) `/hurd/symlink` translator on a node. + + < antrik> that's strange: the file doesn't look like a symlink in ls output + -- but it behaves like one... + < antrik> using firmlink instead of symlink yields less confusing + results... + < gg0> how does it behaves like one? + < antrik> perhaps the symlink mechanism only fully works for a passive + symlink translator, not an active one + < antrik> gg0: if you access it, you actually get the linked file contents + < antrik> it's only ls that's confused + < antrik> it might be because ls -l uses O_NOFOLLOW, which results in + O_NOTRANS, so it sees the original file contents + < gg0> stat says it's still 12264 bytes + < antrik> stat also seems to use NOFOLLOW + < antrik> wc will show the "correct" size + < gg0> ok + < antrik> if you set it as passive translator, it works as expected... but + then you better don't forget removing it, as it won't go away after a + reboot :-) + < antrik> but as I said, you can just ignore the weirdness -- or use + firmlink instead + < antrik> the thing is, if symlink is set as a passive translator, the + filesystem handles it specially, so it really looks like a symlink to + programs using NOFOLLOW. that's not the case with an active symlink... so + programs using NOFOLLOW simply do not see the active symlink at all + < antrik> firmlink OTOH ignores NOFOLLOW, so you always see the linked-to + file + + * [[hurd/translator/short-circuiting]] |