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linux-next/fs/afs/Kconfig

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# SPDX-License-Identifier: GPL-2.0-only
config AFS_FS
tristate "Andrew File System support (AFS)"
depends on INET
select AF_RXRPC
select DNS_RESOLVER
afs: Use new netfs lib read helper API Make AFS use the new netfs read helpers to implement the VM read operations: - afs_readpage() now hands off responsibility to netfs_readpage(). - afs_readpages() is gone and replaced with afs_readahead(). - afs_readahead() just hands off responsibility to netfs_readahead(). These make use of the cache if a cookie is supplied, otherwise just call the ->issue_op() method a sufficient number of times to complete the entire request. Changes: v5: - Use proper wait function for PG_fscache in afs_page_mkwrite()[1]. - Use killable wait for PG_writeback in afs_page_mkwrite()[1]. v4: - Folded in error handling fixes to afs_req_issue_op(). - Added flag to netfs_subreq_terminated() to indicate that the caller may have been running async and stuff that might sleep needs punting to a workqueue. Signed-off-by: David Howells <dhowells@redhat.com> Tested-By: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org cc: linux-cachefs@redhat.com cc: linux-fsdevel@vger.kernel.org Link: https://lore.kernel.org/r/2499407.1616505440@warthog.procyon.org.uk [1] Link: https://lore.kernel.org/r/160588542733.3465195.7526541422073350302.stgit@warthog.procyon.org.uk/ # rfc Link: https://lore.kernel.org/r/161118158436.1232039.3884845981224091996.stgit@warthog.procyon.org.uk/ # rfc Link: https://lore.kernel.org/r/161161053540.2537118.14904446369309535330.stgit@warthog.procyon.org.uk/ # v2 Link: https://lore.kernel.org/r/161340418739.1303470.5908092911600241280.stgit@warthog.procyon.org.uk/ # v3 Link: https://lore.kernel.org/r/161539561926.286939.5729036262354802339.stgit@warthog.procyon.org.uk/ # v4 Link: https://lore.kernel.org/r/161653817977.2770958.17696456811587237197.stgit@warthog.procyon.org.uk/ # v5 Link: https://lore.kernel.org/r/161789101258.6155.3879271028895121537.stgit@warthog.procyon.org.uk/ # v6
2020-02-06 22:22:29 +08:00
select NETFS_SUPPORT
help
If you say Y here, you will get an experimental Andrew File System
driver. It currently only supports unsecured read-only AFS access.
See <file:Documentation/filesystems/afs.rst> for more information.
If unsure, say N.
config AFS_DEBUG
bool "AFS dynamic debugging"
depends on AFS_FS
help
Say Y here to make runtime controllable debugging messages appear.
See <file:Documentation/filesystems/afs.rst> for more information.
If unsure, say N.
config AFS_FSCACHE
bool "Provide AFS client caching support"
depends on AFS_FS=m && FSCACHE || AFS_FS=y && FSCACHE=y
help
Say Y here if you want AFS data to be cached locally on disk through
the generic filesystem cache manager
config AFS_DEBUG_CURSOR
bool "AFS server cursor debugging"
depends on AFS_FS
help
Say Y here to cause the contents of a server cursor to be dumped to
the dmesg log if the server rotation algorithm fails to successfully
contact a server.
See <file:Documentation/filesystems/afs.rst> for more information.
If unsure, say N.