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smb: client: disable directory caching when dir_cache_timeout is zero

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[ Upstream commit ceaf145199 ]

Setting dir_cache_timeout to zero should disable the caching of
directory contents. Currently, even when dir_cache_timeout is zero,
some caching related functions are still invoked, which is unintended
behavior.

Fix the issue by setting tcon->nohandlecache to true when
dir_cache_timeout is zero, ensuring that directory handle caching
is properly disabled.

Fixes: 238b351d09 ("smb3: allow controlling length of time directory entries are cached with dir leases")
Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: Henrique Carvalho <henrique.carvalho@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Henrique Carvalho 2024-11-22 22:14:35 -03:00 committed by Greg Kroah-Hartman
parent 6e7724e319
commit 7fbe643b56
1 changed files with 1 additions and 1 deletions
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2
fs/smb/client/connect.c
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@ -2594,7 +2594,7 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb3_fs_context *ctx)
if (ses->server->dialect >= SMB20_PROT_ID &&
(ses->server->capabilities & SMB2_GLOBAL_CAP_DIRECTORY_LEASING))
nohandlecache = ctx->nohandlecache;
nohandlecache = ctx->nohandlecache || !dir_cache_timeout;
else
nohandlecache = true;
tcon = tcon_info_alloc(!nohandlecache, netfs_trace_tcon_ref_new);