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| author | Alexander Aring <aahringo@redhat.com> | 2021-05-21 15:08:42 -0400 |
|---|---|---|
| committer | David Teigland <teigland@redhat.com> | 2021-05-25 09:22:20 -0500 |
| commit | 8f2dc78dbc2010b497bb58e0460cb44c678a3c5b (patch) | |
| tree | 63b4528cf5521cfbf0c5aa085693170223afc634 /fs/dlm/dlm_internal.h | |
| parent | a070a91cf1402b5328d3517d1fccbdeec58d3f2d (diff) | |
| download | linux-8f2dc78dbc2010b497bb58e0460cb44c678a3c5b.tar.gz linux-8f2dc78dbc2010b497bb58e0460cb44c678a3c5b.tar.xz | |
fs: dlm: make buffer handling per msg
This patch makes the void pointer handle for lowcomms functionality per
message and not per page allocation entry. A refcount handling for the
handle was added to keep the message alive until the user doesn't need
it anymore.
There exists now a per message callback which will be called when
allocating a new buffer. This callback will be guaranteed to be called
according the order of the sending buffer, which can be used that the
caller increments a sequence number for the dlm message handle.
For transition process we cast the dlm_mhandle to dlm_msg and vice versa
until the midcomms layer will implement a specific dlm_mhandle structure.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm/dlm_internal.h')
| -rw-r--r-- | fs/dlm/dlm_internal.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index ae3fdf6d9cda..e8dc5f4f1f9e 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -57,6 +57,7 @@ struct dlm_header; struct dlm_message; struct dlm_rcom; struct dlm_mhandle; +struct dlm_msg; #define log_print(fmt, args...) \ printk(KERN_ERR "dlm: "fmt"\n" , ##args) |