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smb: client: disable directory caching when dir_cache_timeout is zero

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BugLink: https://bugs.launchpad.net/bugs/2101915

[ Upstream commit ceaf1451990e3ea7fb50aebb5a149f57945f6e9f ]

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>
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Henrique Carvalho
2025-03-11 08:51:19 +09:00
committed by Stefan Bader
parent 144a24ead0
commit eb2dd54881
1 changed files with 1 additions and 1 deletions
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fs/smb/client/connect.c
+1 -1
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@@ -2604,7 +2604,7 @@ 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);