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xrootdfs: remove default fuse argument "allow_other" as it is impossible to unset #512

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merged 3 commits into from
May 8, 2017
Merged

xrootdfs: remove default fuse argument "allow_other" as it is impossible to unset #512

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5198c9c
xrootdfs: remove default fuse argument "allow_other" as it is impossi…
fizmat May 4, 2017
0b78899
xrootdfs: control allow_other by env XROOTD_NOALLOWOTHER, preserve de…
fizmat May 8, 2017
82d8c23
xrootdfs: document the environment variable, change name to XROOTDFS_…
fizmat May 8, 2017
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4 changes: 4 additions & 0 deletions src/XrdFfs/README
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,7 @@ XROOTDFS_OFSFWD: if the xrootd cluster uses ofs.forward (or ofs.forward 3way)
and expect the operations to be forwarded to the data nodes by the
redirector. Otherwise one can define XROOTDFS_OFSFWD to '0'. XrootdFS will
then go to individual data node for mv/rm/rmdir/trunc.
XROOTDFS_NO_ALLOW_OTHER: do not pass option allow_other to fuse.

Please refer to the "Introduction to the XrootdFS" document in the above web
page for more general idea of XrootdFS.
Expand Down Expand Up @@ -105,6 +106,9 @@ attr_timeout=10
entry_timeout=10
negative_timeout=5

Note that allow_other cannot be unset by command line. To disable it set the
environment variable XROOTDFS_NO_ALLOW_OTHER=1.

Extended file system attributes:
===============================

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2 changes: 1 addition & 1 deletion src/XrdFfs/XrdFfsXrootdfs.cc
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Expand Up @@ -1233,7 +1233,7 @@ int main(int argc, char *argv[])
cmdline_opts = (char **) malloc(sizeof(char*) * (argc -1 + 3));
cmdline_opts[0] = argv[0];
cmdline_opts[1] = strdup("-o");
if (getenv("XROOTDFS_NOALLOWOTHER") != NULL && ! strcmp(getenv("XROOTDFS_NOALLOWOTHER"),"1") )
if (getenv("XROOTDFS_NO_ALLOW_OTHER") != NULL && ! strcmp(getenv("XROOTDFS_NO_ALLOW_OTHER"),"1") )
cmdline_opts[2] = strdup("fsname=xrootdfs,max_write=131072,attr_timeout=10,entry_timeout=10,negative_timeout=5");
else
cmdline_opts[2] = strdup("fsname=xrootdfs,allow_other,max_write=131072,attr_timeout=10,entry_timeout=10,negative_timeout=5");
Expand Down