{"id":2231755,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2231755/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260501112023.338005-13-sprasad@microsoft.com/","project":{"id":12,"url":"http://patchwork.ozlabs.org/api/1.1/projects/12/?format=json","name":"Linux CIFS Client","link_name":"linux-cifs-client","list_id":"linux-cifs.vger.kernel.org","list_email":"linux-cifs@vger.kernel.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260501112023.338005-13-sprasad@microsoft.com>","date":"2026-05-01T11:20:16","name":"[v4,13/19] cifs: option to disable time-based eviction of cache","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"2d4d3d001b83b63086d10ee79705072b89b8f278","submitter":{"id":79368,"url":"http://patchwork.ozlabs.org/api/1.1/people/79368/?format=json","name":"Shyam Prasad N","email":"nspmangalore@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260501112023.338005-13-sprasad@microsoft.com/mbox/","series":[{"id":502444,"url":"http://patchwork.ozlabs.org/api/1.1/series/502444/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-cifs-client/list/?series=502444","date":"2026-05-01T11:20:06","name":"[v4,01/19] cifs: change_conf needs to be called for session setup","version":4,"mbox":"http://patchwork.ozlabs.org/series/502444/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2231755/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2231755/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-cifs@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=e1jxpDE4;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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We already have nohandlecache to disable dir cache.\n\nThis changes the meaning of dir_cache_timeout = 0 to mean unlimited\ntimeout. Shrinker-based eviction is still possible.\n\nSigned-off-by: Shyam Prasad N \n---\n fs/smb/client/cifsfs.c | 2 +-\n fs/smb/client/connect.c | 2 +-\n 2 files changed, 2 insertions(+), 2 deletions(-)","diff":"diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c\nindex ee5de358e27f8..79a6a4c297ee3 100644\n--- a/fs/smb/client/cifsfs.c\n+++ b/fs/smb/client/cifsfs.c\n@@ -121,7 +121,7 @@ MODULE_PARM_DESC(cifs_max_pending, \"Simultaneous requests to server for \"\n unsigned int dir_cache_timeout = 30;\n module_param(dir_cache_timeout, uint, 0644);\n MODULE_PARM_DESC(dir_cache_timeout, \"Number of seconds to cache directory contents for which we have a lease. Default: 30 \"\n-\t\t\t\t \"Range: 1 to 65000 seconds, 0 to disable caching dir contents\");\n+\t\t\t\t \"Range: 0 to 65000 seconds. 0 disables timeout-based cleanup (cached dirs persist until explicitly invalidated).\");\n /* Module-wide total cached dirents (in bytes) across all tcons */\n atomic64_t cifs_dircache_bytes_used = ATOMIC64_INIT(0);\n static struct shrinker *cifs_dircache_shrinker;\ndiff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c\nindex 69b38f0ccf2b2..849c16c538353 100644\n--- a/fs/smb/client/connect.c\n+++ b/fs/smb/client/connect.c\n@@ -2698,7 +2698,7 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb3_fs_context *ctx)\n \n \tif (ses->server->dialect >= SMB20_PROT_ID &&\n \t (ses->server->capabilities & SMB2_GLOBAL_CAP_DIRECTORY_LEASING))\n-\t\tnohandlecache = ctx->nohandlecache || !dir_cache_timeout;\n+\t\tnohandlecache = ctx->nohandlecache;\n \telse\n \t\tnohandlecache = true;\n \ttcon = tcon_info_alloc(!nohandlecache, netfs_trace_tcon_ref_new);\n","prefixes":["v4","13/19"]}