[Bugs] [Bug 1543996] truncates read-only files on copy
bugzilla at redhat.com
bugzilla at redhat.com
Mon Mar 5 13:17:20 UTC 2018
https://bugzilla.redhat.com/show_bug.cgi?id=1543996
Kaleb KEITHLEY <kkeithle at redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|ganesha-nfs |posix-acl
Assignee|kkeithle at redhat.com |bugs at gluster.org
--- Comment #5 from Kaleb KEITHLEY <kkeithle at redhat.com> ---
I looked at this "briefly."
When copying a 0444 file over gluster native/fuse, the destination file is
created with open(...,O_CREAT)* and has acl perms that allow the open() to
succeed.
But when copying the same file over NFS (nfs-ganesha, fsal_gluster, gfapi) the
file is created with creat() (create fop) and has insufficient acl perms to
allow the creat() to succeed.
In the time that I spent looking at it I was unable to find where in gluster
those initial acl perms come from or why open(...,O_CREAT) has different
default perms than creat().
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