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Casey Bodley e3119c281e pnfs: added status flags and ref count to struct pnfs_device 
pnfs_device.status remembers whether a given device has been GRANTED/REVOKED

pnfs_device.layout_count tracks the number of layouts using the device, incremented by pnfs_file_device_get() and decremented by pnfs_file_device_put().  when pnfs_file_device_put() takes layout_count to 0, remove and free the device only if it's flagged as REVOKED

because pnfs_file_device_get() modifies pnfs_device.layout_count, we can no longer use a shared lock; changed pnfs_file_device.lock from SRWLOCK to CRITICAL_SECTION, and moved to pnfs_device.lock to document the fact that it's used for pnfs_device.status and pnfs_device.layout_count

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
2011-01-04 14:26:23 -05:00
..
callback_server.c adding refcount on nfs41_root to callback server 2010-11-02 15:54:50 -04:00
callback_xdr.c fresh git tree for public release 2010-10-12 10:15:48 -04:00
daemon_debug.c adding sec flavor to upcall 2010-12-02 14:22:05 -05:00
daemon_debug.h adding sec flavor to upcall 2010-12-02 14:22:05 -05:00
from_kernel.h volume: daemon handles FileFsAttributeInformation 2010-10-12 10:35:51 -04:00
getattr.c ref counting for nfs41_root 2010-10-27 16:18:23 -04:00
idmap.c adding --noldap startup option 2010-12-02 17:43:12 -05:00
idmap.h idmap.c for ldap caching and configuration 2010-11-08 12:54:40 -05:00
list.h fresh git tree for public release 2010-10-12 10:15:48 -04:00
lock.c recovery: use normal OPEN/LOCK on ERR_NO_GRACE 2010-12-06 14:29:32 -05:00
lookup.c recovery: avoid recursive state recovery 2010-12-06 14:29:01 -05:00
makefile fresh git tree for public release 2010-10-12 10:15:48 -04:00
mount.c creating nfs client per security flavor 2010-12-02 14:22:05 -05:00
name_cache.c fixing rbtree patch 2010-12-07 16:50:45 -05:00
name_cache.h name cache: insert supports negative entries 2010-10-12 10:35:43 -04:00
namespace.c memory leak in nfs41_root_create 2010-12-02 14:22:06 -05:00
nfs41.h tracking open state in setattr for reboot recovery 2010-12-10 11:25:01 -05:00
nfs41_callback.h fresh git tree for public release 2010-10-12 10:15:48 -04:00
nfs41_client.c recovery updated handling of BADSESSION 2010-12-06 14:28:13 -05:00
nfs41_compound.c recovery: lock_owner to open_owner 2010-12-13 13:35:56 -05:00
nfs41_compound.h recovery: avoid recursive state recovery 2010-12-06 14:29:01 -05:00
nfs41_const.h symlink: limit symlink depth to avoid following cyclical links 2010-10-15 17:24:04 -04:00
nfs41_daemon.c fix warnings for parse_cmdlineargs() 2010-12-10 14:51:44 -05:00
nfs41_ops.c recovery: use normal OPEN/LOCK on ERR_NO_GRACE 2010-12-06 14:29:32 -05:00
nfs41_ops.h recovery: use normal OPEN/LOCK on ERR_NO_GRACE 2010-12-06 14:29:32 -05:00
nfs41_rpc.c fix for nfs41_rpc_clnt_create 2010-12-10 12:54:17 -05:00
nfs41_server.c fix for warning C4204: non-constant aggregate initializer 2010-11-08 12:29:47 -05:00
nfs41_session.c fresh git tree for public release 2010-10-12 10:15:48 -04:00
nfs41_superblock.c cosmetic: cleaning up small functions 2010-11-05 15:10:20 -04:00
nfs41_types.h setting SUPPORTS_HARD_LINKS if link_support is enabled 2010-11-04 11:51:26 -04:00
nfs41_xdr.c recovery: operations take stateid_arg instead of stateid4 2010-12-06 14:21:28 -05:00
nfs41_xdr.h fresh git tree for public release 2010-10-12 10:15:48 -04:00
open.c tracking open state in setattr for reboot recovery 2010-12-10 11:25:01 -05:00
pnfs.h pnfs: added status flags and ref count to struct pnfs_device 2011-01-04 14:26:23 -05:00
pnfs_debug.c fresh git tree for public release 2010-10-12 10:15:48 -04:00
pnfs_device.c pnfs: added status flags and ref count to struct pnfs_device 2011-01-04 14:26:23 -05:00
pnfs_io.c recovery: operations take stateid_arg instead of stateid4 2010-12-06 14:21:28 -05:00
pnfs_layout.c pnfs: added status flags and ref count to struct pnfs_device 2011-01-04 14:26:23 -05:00
readdir.c fix for warning C4204: non-constant aggregate initializer 2010-11-08 12:29:47 -05:00
readwrite.c recovery: operations take stateid_arg instead of stateid4 2010-12-06 14:21:28 -05:00
service.c warnings from WDK 6000 2010-10-19 11:17:29 -04:00
service.h first stab at nfsd as a service 2010-10-12 10:36:03 -04:00
setattr.c minor changes 2010-12-10 11:39:28 -05:00
sources idmap.c for ldap caching and configuration 2010-11-08 12:54:40 -05:00
symlink.c ref counting for nfs41_root 2010-10-27 16:18:23 -04:00
tree.h replace rbtree implementation with tree.h from freebsd 2010-12-01 10:25:29 -05:00
upcall.c fix for daemon version checking crash on close 2010-12-17 14:26:17 -05:00
upcall.h adding sec flavor to upcall 2010-12-02 14:22:05 -05:00
util.c recovery: use normal OPEN/LOCK on ERR_NO_GRACE 2010-12-06 14:29:32 -05:00
util.h adding version to the upcall 2010-11-08 12:54:42 -05:00
volume.c setting SUPPORTS_HARD_LINKS if link_support is enabled 2010-11-04 11:51:26 -04:00