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netfs, afs: Use writeback retry to deal with alternate keys

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Use a hook in the new writeback code's retry algorithm to rotate the keys
once all the outstanding subreqs have failed rather than doing it
separately on each subreq.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
This commit is contained in:
David Howells
2024-03-15 15:15:44 +00:00
parent d41ca44c20
commit 1ecb146f7c
5 changed files with 112 additions and 108 deletions
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include/linux/netfs.h
+2
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@@ -235,6 +235,7 @@ struct netfs_io_request {
struct iov_iter iter; /* Unencrypted-side iterator */
struct iov_iter io_iter; /* I/O (Encrypted-side) iterator */
void *netfs_priv; /* Private data for the netfs */
void *netfs_priv2; /* Private data for the netfs */
struct bio_vec *direct_bv; /* DIO buffer list (when handling iovec-iter) */
unsigned int direct_bv_count; /* Number of elements in direct_bv[] */
unsigned int debug_id;
@@ -306,6 +307,7 @@ struct netfs_request_ops {
void (*begin_writeback)(struct netfs_io_request *wreq);
void (*prepare_write)(struct netfs_io_subrequest *subreq);
void (*issue_write)(struct netfs_io_subrequest *subreq);
void (*retry_request)(struct netfs_io_request *wreq, struct netfs_io_stream *stream);
void (*invalidate_cache)(struct netfs_io_request *wreq);
};