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| author | Jeffle Xu <[email protected]> | 2022-04-25 12:21:26 +0000 |
|---|---|---|
| committer | Gao Xiang <[email protected]> | 2022-05-17 16:11:17 +0000 |
| commit | 324b954ac80cff0d11ddb6bde9b6631e45e98620 (patch) | |
| tree | 3f8552c1f21b05fdbdb7aba70e62f6438aafa6f3 /fs/cachefiles/interface.c | |
| parent | cachefiles: unbind cachefiles gracefully in on-demand mode (diff) | |
| download | kernel-324b954ac80cff0d11ddb6bde9b6631e45e98620.tar.gz kernel-324b954ac80cff0d11ddb6bde9b6631e45e98620.zip | |
cachefiles: notify the user daemon when withdrawing cookie
Notify the user daemon that cookie is going to be withdrawn, providing a
hint that the associated anonymous fd can be closed.
Be noted that this is only a hint. The user daemon may close the
associated anonymous fd when receiving the CLOSE request, then it will
receive another anonymous fd when the cookie gets looked up. Or it may
ignore the CLOSE request, and keep writing data through the anonymous
fd. However the next time the cookie gets looked up, the user daemon
will still receive another new anonymous fd.
Signed-off-by: Jeffle Xu <[email protected]>
Acked-by: David Howells <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Gao Xiang <[email protected]>
Diffstat (limited to 'fs/cachefiles/interface.c')
| -rw-r--r-- | fs/cachefiles/interface.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/cachefiles/interface.c b/fs/cachefiles/interface.c index ae93cee9d25d..a69073a1d3f0 100644 --- a/fs/cachefiles/interface.c +++ b/fs/cachefiles/interface.c @@ -362,6 +362,8 @@ static void cachefiles_withdraw_cookie(struct fscache_cookie *cookie) spin_unlock(&cache->object_list_lock); } + cachefiles_ondemand_clean_object(object); + if (object->file) { cachefiles_begin_secure(cache, &saved_cred); cachefiles_clean_up_object(object, cache); |