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GET /api/1.2/patches/2221366/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2221366,
    "url": "http://patchwork.ozlabs.org/api/1.2/patches/2221366/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260409095926.905020-9-rajasimandalos@gmail.com/",
    "project": {
        "id": 12,
        "url": "http://patchwork.ozlabs.org/api/1.2/projects/12/?format=api",
        "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": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20260409095926.905020-9-rajasimandalos@gmail.com>",
    "list_archive_url": null,
    "date": "2026-04-09T09:59:26",
    "name": "[9/9] smb: client: apply rasize on remount",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "e9a3669d7521b91d9f841be27621ba576db8f023",
    "submitter": {
        "id": 91740,
        "url": "http://patchwork.ozlabs.org/api/1.2/people/91740/?format=api",
        "name": "Rajasi Mandal",
        "email": "rajasimandalos@gmail.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-cifs-client/patch/20260409095926.905020-9-rajasimandalos@gmail.com/mbox/",
    "series": [
        {
            "id": 499267,
            "url": "http://patchwork.ozlabs.org/api/1.2/series/499267/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linux-cifs-client/list/?series=499267",
            "date": "2026-04-09T09:59:18",
            "name": "[1/9] smb: client: block non-reconfigurable option changes on remount",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/499267/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2221366/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2221366/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "X-Received": "by 2002:a05:6a00:1da1:b0:82c:db43:969b with SMTP id\n d2e1a72fcca58-82d0da8c12bmr23623633b3a.22.1775728820504;\n        Thu, 09 Apr 2026 03:00:20 -0700 (PDT)",
        "From": "rajasimandalos@gmail.com",
        "To": "sfrench@samba.org,\n\tlinux-cifs@vger.kernel.org",
        "Cc": "pc@manguebit.org,\n\tronniesahlberg@gmail.com,\n\tsprasad@microsoft.com,\n\ttom@talpey.com,\n\tmetze@samba.org,\n\tbharathsm@microsoft.com,\n\tsamba-technical@lists.samba.org,\n\tlinux-kernel@vger.kernel.org,\n\tRajasi Mandal <rajasimandal@microsoft.com>",
        "Subject": "[PATCH 9/9] smb: client: apply rasize on remount",
        "Date": "Thu,  9 Apr 2026 09:59:26 +0000",
        "Message-ID": "<20260409095926.905020-9-rajasimandalos@gmail.com>",
        "X-Mailer": "git-send-email 2.43.0",
        "In-Reply-To": "<20260409095926.905020-1-rajasimandalos@gmail.com>",
        "References": "<20260409095926.905020-1-rajasimandalos@gmail.com>",
        "Precedence": "bulk",
        "X-Mailing-List": "linux-cifs@vger.kernel.org",
        "List-Id": "<linux-cifs.vger.kernel.org>",
        "List-Subscribe": "<mailto:linux-cifs+subscribe@vger.kernel.org>",
        "List-Unsubscribe": "<mailto:linux-cifs+unsubscribe@vger.kernel.org>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit"
    },
    "content": "From: Rajasi Mandal <rajasimandal@microsoft.com>\n\nrasize is accepted during remount parsing but sb->s_bdi->ra_pages is\nonly set in cifs_read_super() at mount time. A remount with a new\nrasize value silently has no effect on the readahead window.\n\nUpdate ra_pages in smb3_reconfigure() after the context has been\nduplicated, using the same logic as cifs_read_super(): if rasize is\nset, use it directly; otherwise fall back to 2 * rsize.\n\nSigned-off-by: Rajasi Mandal <rajasimandal@microsoft.com>\n---\n fs/smb/client/fs_context.c | 6 ++++++\n 1 file changed, 6 insertions(+)",
    "diff": "diff --git a/fs/smb/client/fs_context.c b/fs/smb/client/fs_context.c\nindex d804e5da578e..bba642442ae3 100644\n--- a/fs/smb/client/fs_context.c\n+++ b/fs/smb/client/fs_context.c\n@@ -1504,6 +1504,12 @@ static int smb3_reconfigure(struct fs_context *fc)\n \tsmb3_cleanup_fs_context_contents(cifs_sb->ctx);\n \trc = smb3_fs_context_dup(cifs_sb->ctx, ctx);\n \tsmb3_update_mnt_flags(cifs_sb);\n+\n+\tif (cifs_sb->ctx->rasize)\n+\t\troot->d_sb->s_bdi->ra_pages = cifs_sb->ctx->rasize / PAGE_SIZE;\n+\telse\n+\t\troot->d_sb->s_bdi->ra_pages = 2 * (cifs_sb->ctx->rsize / PAGE_SIZE);\n+\n #ifdef CONFIG_CIFS_DFS_UPCALL\n \tif (!rc)\n \t\trc = dfs_cache_remount_fs(cifs_sb);\n",
    "prefixes": [
        "9/9"
    ]
}