- 15 6月, 2011 2 次提交
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由 Trond Myklebust 提交于
When we add something to the global device id cache, we need to bump the reference count, so that the cache itself holds a reference. Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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由 Weston Andros Adamson 提交于
Unmounting a pnfs filesystem hangs using filelayout and possibly others. This fixes the use of the rcu protected node by making use of a new 'tmpnode' for the temporary purge list. Also, the spinlock shouldn't be held when calling synchronize_rcu(). Signed-off-by: NWeston Andros Adamson <dros@netapp.com> Signed-off-by: NAndy Adamson <andros@netapp.com> Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
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- 30 5月, 2011 3 次提交
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由 Benny Halevy 提交于
pnfs deviceids are unique per server, per layout type. struct nfs_client is currently used to distinguish deviceids from different nfs servers, yet these may clash between different layout types on the same server. Therefore, use the layout driver associated with each deviceid at insertion time to look it up, unhash, or delete it. Signed-off-by: NBenny Halevy <bhalevy@panasas.com>
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由 Marc Eshel 提交于
Note: This functionlaity is incomplete as all layout segments referring to the 'to be removed device id' need to be reaped, and all in flight I/O drained. [use be32 res in nfs4_callback_devicenotify] [use nfs_client to qualify deviceid for cb_notify_deviceid] [use global deviceid cache for CB_NOTIFY_DEVICEID] [refactor device cache _lookup_deviceid] [refactor device cache _find_get_deviceid] Signed-off-by: NBenny Halevy <bhalevy@panasas.com> [Bug in new global-device-cache code] [layout_driver MUST set free_deviceid_node if using dev-cache] Signed-off-by: NBoaz Harrosh <bharrosh@panasas.com> Signed-off-by: NBenny Halevy <bhalevy@panasas.com>
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由 Benny Halevy 提交于
Use the pnfs_layoutdriver_type both as a qualifier for the deviceid, distinguishing deviceid from different layout types on the server, and for freeing the layout-driver allocated structure containing the nfs4_deviceid_node. [BUG in _deviceid_purge_client] [layout_driver MUST set free_deviceid_node if using dev-cache] [let ver < 4.1 compile] Signed-off-by: NBoaz Harrosh <bharrosh@panasas.com> [removed EXPORT_SYMBOL_GPL(nfs4_deviceid_purge_client)] Signed-off-by: NBenny Halevy <bhalevy@panasas.com>
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- 29 5月, 2011 1 次提交
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由 Benny Halevy 提交于
Move deviceid cache from the pnfs files layout driver to the generic layer in preparation for the objects layout driver. Signed-off-by: NBenny Halevy <bhalevy@panasas.com>
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