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| author |   David Howells <dhowells@redhat.com> | 2021-11-26 14:29:06 +0000 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2022-01-07 13:41:46 +0000 |
| commit | d1065b0a6fd9397edd3094c56b777d0d8ec1290d (patch) | |
| tree | bd47a34375758f05e7305a8778301a42d47264f7 /fs/cachefiles/internal.h | |
| parent | cachefiles: Implement a function to get/create a directory in the cache (diff) | |
| download | linux-dev-d1065b0a6fd9397edd3094c56b777d0d8ec1290d.tar.xz linux-dev-d1065b0a6fd9397edd3094c56b777d0d8ec1290d.zip | |
cachefiles: Implement cache registration and withdrawal
Do the following:
(1) Fill out cachefiles_daemon_add_cache() so that it sets up the cache
directories and registers the cache with cachefiles.
(2) Add a function to do the top-level part of cache withdrawal and
unregistration.
(3) Add a function to sync a cache.
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/163819633175.215744.10857127598041268340.stgit@warthog.procyon.org.uk/ # v1
Link: https://lore.kernel.org/r/163906935445.143852.15545194974036410029.stgit@warthog.procyon.org.uk/ # v2
Link: https://lore.kernel.org/r/163967142904.1823006.244055483596047072.stgit@warthog.procyon.org.uk/ # v3
Link: https://lore.kernel.org/r/164021543872.640689.14370017789605073222.stgit@warthog.procyon.org.uk/ # v4
Diffstat (limited to 'fs/cachefiles/internal.h')
| -rw-r--r-- | fs/cachefiles/internal.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h index 48768a3ab105..77e874c2bbe7 100644 --- a/fs/cachefiles/internal.h +++ b/fs/cachefiles/internal.h @@ -32,6 +32,8 @@ struct cachefiles_object { struct cachefiles_cache { struct fscache_cache *cache; /* Cache cookie */ struct vfsmount *mnt; /* mountpoint holding the cache */ + struct dentry *store; /* Directory into which live objects go */ + struct dentry *graveyard; /* directory into which dead objects go */ struct file *cachefilesd; /* manager daemon handle */ const struct cred *cache_cred; /* security override for accessing cache */ struct mutex daemon_mutex; /* command serialisation mutex */ @@ -78,8 +80,10 @@ static inline void cachefiles_state_changed(struct cachefiles_cache *cache) /* * cache.c */ +extern int cachefiles_add_cache(struct cachefiles_cache *cache); extern int cachefiles_has_space(struct cachefiles_cache *cache, unsigned fnr, unsigned bnr); +extern void cachefiles_withdraw_cache(struct cachefiles_cache *cache); /* * daemon.c @@ -126,6 +130,11 @@ static inline int cachefiles_inject_remove_error(void) } /* + * interface.c + */ +extern const struct fscache_cache_ops cachefiles_cache_ops; + +/* * namei.c */ extern struct dentry *cachefiles_get_directory(struct cachefiles_cache *cache, |