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Joel Becker a6795e9ebb configfs: Allow ->make_item() and ->make_group() to return detailed errors. 
The configfs operations ->make_item() and ->make_group() currently
return a new item/group.  A return of NULL signifies an error.  Because
of this, -ENOMEM is the only return code bubbled up the stack.

Multiple folks have requested the ability to return specific error codes
when these operations fail.  This patch adds that ability by changing the
->make_item/group() ops to return ERR_PTR() values.  These errors are
bubbled up appropriately.  NULL returns are changed to -ENOMEM for
compatibility.

Also updated are the in-kernel users of configfs.

This is a rework of reverted commit 11c3b79218.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
2008-07-17 15:21:29 -07:00
..
ast.c dlm: proper types for asts and basts 2008-02-06 00:35:45 -06:00
ast.h [DLM] The core of the DLM for GFS2/CLVM 2006-01-18 09:30:29 +00:00
config.c configfs: Allow ->make_item() and ->make_group() to return detailed errors. 2008-07-17 15:21:29 -07:00
config.h dlm: recover nodes that are removed and re-added 2008-04-21 11:18:01 -05:00
debug_fs.c dlm: add __init and __exit marks to init and exit functions 2008-02-06 23:41:22 -06:00
dir.c dlm: fix dlm_dir_lookup() handling of too long names 2008-02-04 01:30:19 -06:00
dir.h [DLM] The core of the DLM for GFS2/CLVM 2006-01-18 09:30:29 +00:00
dlm_internal.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm 2008-04-22 13:44:23 -07:00
Kconfig menuconfig: transform NLS and DLM menus 2007-10-17 08:43:00 -07:00
lock.c dlm: save master info after failed no-queue request 2008-04-21 11:18:01 -05:00
lock.h dlm: make dlm_print_rsb() static 2008-04-21 11:18:01 -05:00
lockspace.c fs: replace remaining __FUNCTION__ occurrences 2008-04-30 08:29:54 -07:00
lockspace.h [DLM] dlm: user locks 2006-07-13 09:25:34 -04:00
lowcomms.c dlm: tcp_connect_to_sock should check for -EINVAL, not EINVAL 2008-05-19 15:37:27 -05:00
lowcomms.h [DLM] Clean up lowcomms 2006-12-07 09:25:13 -05:00
lvb_table.h [DLM] The core of the DLM for GFS2/CLVM 2006-01-18 09:30:29 +00:00
main.c dlm: move plock code from gfs2 2008-04-21 11:22:28 -05:00
Makefile dlm: move plock code from gfs2 2008-04-21 11:22:28 -05:00
member.c dlm: recover nodes that are removed and re-added 2008-04-21 11:18:01 -05:00
member.h dlm: reject messages from non-members 2008-01-30 11:04:42 -06:00
memory.c dlm: add __init and __exit marks to init and exit functions 2008-02-06 23:41:22 -06:00
memory.h dlm: use dlm prefix on alloc and free functions 2008-01-29 17:17:19 -06:00
midcomms.c dlm: dlm_process_incoming_buffer() fixes 2008-02-04 01:22:42 -06:00
midcomms.h [DLM] The core of the DLM for GFS2/CLVM 2006-01-18 09:30:29 +00:00
netlink.c dlm: section mismatch warning fix 2008-05-19 15:37:27 -05:00
plock.c dlm: fix plock dev_write return value 2008-05-19 15:37:27 -05:00
rcom.c dlm: fix rcom_names message to self 2008-02-21 15:19:54 -06:00
rcom.h [DLM] block dlm_recv in recovery transition 2007-10-10 08:56:38 +01:00
recover.c dlm: use proper type for ->ls_recover_buf 2008-02-04 01:24:07 -06:00
recover.h [DLM] The core of the DLM for GFS2/CLVM 2006-01-18 09:30:29 +00:00
recoverd.c dlm: recover nodes that are removed and re-added 2008-04-21 11:18:01 -05:00
recoverd.h [DLM] The core of the DLM for GFS2/CLVM 2006-01-18 09:30:29 +00:00
requestqueue.c dlm: use proper C for dlm/requestqueue stuff (and fix alignment bug) 2008-02-04 01:21:32 -06:00
requestqueue.h dlm: use proper C for dlm/requestqueue stuff (and fix alignment bug) 2008-02-04 01:21:32 -06:00
user.c dlm-user: BKL pushdown 2008-06-20 14:05:56 -06:00
user.h [DLM] dlm: user locks 2006-07-13 09:25:34 -04:00
util.c dlm: do not byteswap rcom_config 2008-02-04 01:23:43 -06:00
util.h [DLM] The core of the DLM for GFS2/CLVM 2006-01-18 09:30:29 +00:00