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| author | David Howells <dhowells@redhat.com> | 2021-10-20 14:30:37 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2022-01-07 09:22:19 +0000 |
| commit | a39c41b853ee51f4dcd19f5556f860ae8e2f23d3 (patch) | |
| tree | cb034f74f37c24961b441a3bc49de07bea4b210c /include/linux/netfs.h | |
| parent | 9e1aa6b8f484dde5ada1212092d20ea3f55c24e8 (diff) | |
| download | lwn-a39c41b853ee51f4dcd19f5556f860ae8e2f23d3.tar.gz lwn-a39c41b853ee51f4dcd19f5556f860ae8e2f23d3.zip | |
netfs: Pass a flag to ->prepare_write() to say if there's no alloc'd space
Pass a flag to ->prepare_write() to indicate if there's definitely no
space allocated in the cache yet (for instance if we've already checked as
we were asked to do a read).
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
cc: linux-cachefs@redhat.com
Link: https://lore.kernel.org/r/163819583123.215744.12783808230464471417.stgit@warthog.procyon.org.uk/ # v1
Link: https://lore.kernel.org/r/163906886835.143852.6689886781122679769.stgit@warthog.procyon.org.uk/ # v2
Link: https://lore.kernel.org/r/163967079100.1823006.12889542712309574359.stgit@warthog.procyon.org.uk/ # v3
Link: https://lore.kernel.org/r/164021489334.640689.3131206613015409076.stgit@warthog.procyon.org.uk/ # v4
Diffstat (limited to 'include/linux/netfs.h')
| -rw-r--r-- | include/linux/netfs.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/netfs.h b/include/linux/netfs.h index ca0683b9e3d1..1ea22fc48818 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -232,7 +232,8 @@ struct netfs_cache_ops { * actually do. */ int (*prepare_write)(struct netfs_cache_resources *cres, - loff_t *_start, size_t *_len, loff_t i_size); + loff_t *_start, size_t *_len, loff_t i_size, + bool no_space_allocated_yet); }; struct readahead_control; |