Here are all the ops that need to be supported through MDCACHE, I am not
sure it it is the way of any call-backs.
Marc.
static void dsh_ops_init(struct fsal_dsh_ops *ops)
{
/* redundant copy, but you never know about the future... */
memcpy(ops, &def_dsh_ops, sizeof(struct fsal_dsh_ops));
ops->release = ds_release;
ops->read = ds_read;
ops->read_plus = ds_read_plus;
ops->write = ds_write;
ops->write_plus = ds_write_plus;
ops->commit = ds_commit;
}
/**
* @brief set ops layout
*
* @param ops reference to object
*/
void handle_ops_pnfs(struct fsal_obj_ops *ops)
{
ops->layoutget = layoutget;
ops->layoutreturn = layoutreturn;
ops->layoutcommit = layoutcommit;
}
From: Marc Eshel/Almaden/IBM
To: Marc Eshel/Almaden/IBM@IBMUS, d...@redhat.com
Cc: "Frank Filz" <ffilz...@mindspring.com>,
nfs-ganesha-devel@lists.sourceforge.net
Date: 07/23/2016 09:25 PM
Subject: FSAL_MDCACHE and pNFS
It looks like FSAL_MDCACHE changes patch cafbe60c broke more than exports
op redirection for pNFS.
state_add() is called by acquire_layout_state() with the mutex held so we
might need an option on state_add() the indicates if the mutex is held.
After that problem we hit another export ops below that is not directed to
the real FSAL, is there a way to fix them all and not one at a time?
Thanks, Marc.
/* max_segment_count is also an indication of if fsal supports
pnfs */
max_segment_count = op_ctx->fsal_export->exp_ops.
fs_maximum_segments(op_ctx->fsal_export);
if (max_segment_count == 0) {
LogWarn(COMPONENT_PNFS,
"The FSAL must specify a non-zero
fs_maximum_segments.");
nfs_status = NFS4ERR_LAYOUTUNAVAILABLE;
goto out;
}
From: Marc Eshel/Almaden/IBM@IBMUS
To: "Frank Filz" <ffilz...@mindspring.com>
Cc: nfs-ganesha-devel@lists.sourceforge.net
Date: 07/22/2016 04:00 PM
Subject: Re: [Nfs-ganesha-devel] Announce Push of V2.4-dev-26
We are making progress, now we return the file layout attribute
197.618970099 9141 TRACE_GANESHA: [work-65] nfs4_FSALattr_To_Fattr
:NFS4 :F_DBG :Encoded attr 62, name = FATTR4_FS_LAYOUT_TYPES
but we fail on the first layout get
210.125317087 9147 TRACE_GANESHA: [work-71] nfs4_Compound :NFS4
:DEBUG :Request 2: opcode 50 is OP_LAYOUTGET
210.137484089 9147 TRACE_GANESHA: [work-71] nfs4_Compound :NFS4
:M_DBG :NFS4: MID DEBUG: Check export perms export = 000000f0 req =
00000040
210.149620502 9147 TRACE_GANESHA: [work-71] state_add :RW LOCK :CRIT
:Error 35, write locking 0x7f5e040012b0 (&obj->state_hdl->state_lock) at
/nas/ganesha/new-ganesha/src/SAL/nfs4_state.c:299
Marc.
From: "Frank Filz" <ffilz...@mindspring.com>
To: <nfs-ganesha-devel@lists.sourceforge.net>
Date: 07/22/2016 02:16 PM
Subject: [Nfs-ganesha-devel] Announce Push of V2.4-dev-26
Branch next
Tag:V2.4-dev-26
Release Highlights
* A variety of small fixes
* RGW: Add 3 new config options
Signed-off-by: Frank S. Filz <ffilz...@mindspring.com>
Contents:
5ba03b2 Frank S. Filz V2.4-dev-26
77c71ae Marc Eshel GPFS_FSAL: Use a shorter file handle.
a910381 Swen Schillig [valgrind] memory leak in mdcache_exp_release()
1c45f6a Matt Benjamin rgw: add 3 new config options
93631a9 Malahal Naineni Chomp tailing slash from pseudopath
036703e Kaleb S KEITHLEY misc fsals: 32-bit fmt strings, gcc-6.1 possible
uninit'd use
a336200 Soumya Koduri FSAL_GLUSTER/Upcall: Change poll interval to 10us
0923be1 Soumya Koduri FSAL_GLUSTER: Coverity fixes
e9f4d55 ajay nair Fixes error in sample configuration file of FSAL ZFS
f7c37f7 ajay Removed warnings in make by solving conflicts from
cong_yacc.y
7d67e10 Daniel Gryniewicz Clang fix - don't double initialize
9ec03b6 Daniel Gryniewicz Coverity fixes
d3eff0f Daniel Gryniewicz MDCACHE - stack all the pNFS export ops
f75b336 Frank S. Filz NFS4: Actually set fsid and fileid in the returned
attributes
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consuming the most bandwidth. Provides multi-vendor support for NetFlow,
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