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The HLD document was written before the feature was implemented, and is outdated. The lustreapi.h and llapi_layout_file_comp_del.3 man page are correct. Feel free to update the wiki to use the correct argument list.
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<div class="">I believe that it is possible to delete multiple components that match the <flags> argument (e.g. LCME_FL_NEG|LCME_FL_INIT), but I haven't tested that. <br class="">
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<div class="">On Jul 26, 2022, at 14:35, John Bauer <<a href="mailto:bauerj@iodoctors.com" class="">bauerj@iodoctors.com</a>> wrote:</div>
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<div class="">Hi all,<br class="">
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I would like to use the llapi_layout_file_comp_del() function. I have found 2 prototypes in different places. One has the 3rd argument, uint32_t flags, and the other doesn't. I suspect the High Level Design document is incorrect. The one line of documentation
in lustreapi.h indicates I could delete multiple components with one call. How does one do that? What are the applicable flags?<br class="">
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>From version 2.12.8 lustreapi.h<br class="">
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* Delete component(s) by the specified component id or flags.<br class="">
*/<br class="">
int llapi_layout_file_comp_del(const char *path, uint32_t id, uint32_t flags);<br class="">
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>From <a href="https://wiki.lustre.org/PFL2_High_Level_Design" class="">https://wiki.lustre.org/PFL2_High_Level_Design</a><br class="">
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A new interface llapi_layout_file_comp_del(3) to delete component(s) by the specified component id (accepting LCME_ID_* wildcards also) from an existing file:<br class="">
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int llapi_layout_file_comp_del(const char *path, uint32_t id);<br class="">
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John<br class="">
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<div>Cheers, Andreas</div>
<div>--</div>
<div>Andreas Dilger</div>
<div>Lustre Principal Architect</div>
<div>Whamcloud</div>
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