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GET /api/patches/811968/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
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{
    "id": 811968,
    "url": "http://patchwork.ozlabs.org/api/patches/811968/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20170909171606.20029-2-robdclark@gmail.com/",
    "project": {
        "id": 18,
        "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api",
        "name": "U-Boot",
        "link_name": "uboot",
        "list_id": "u-boot.lists.denx.de",
        "list_email": "u-boot@lists.denx.de",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170909171606.20029-2-robdclark@gmail.com>",
    "list_archive_url": null,
    "date": "2017-09-09T17:15:52",
    "name": "[U-Boot,v3,1/9] fs/fat: split out helper to init fsdata",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "9d37654ce94ec7f037c357d5c9f0bb6ec22a109c",
    "submitter": {
        "id": 18760,
        "url": "http://patchwork.ozlabs.org/api/people/18760/?format=api",
        "name": "Rob Clark",
        "email": "robdclark@gmail.com"
    },
    "delegate": {
        "id": 3651,
        "url": "http://patchwork.ozlabs.org/api/users/3651/?format=api",
        "username": "trini",
        "first_name": "Tom",
        "last_name": "Rini",
        "email": "trini@ti.com"
    },
    "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20170909171606.20029-2-robdclark@gmail.com/mbox/",
    "series": [
        {
            "id": 2355,
            "url": "http://patchwork.ozlabs.org/api/series/2355/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=2355",
            "date": "2017-09-09T17:15:51",
            "name": "fs/fat: cleanups + readdir implementation",
            "version": 3,
            "mbox": "http://patchwork.ozlabs.org/series/2355/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/811968/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/811968/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "X-Received": "by 10.200.34.167 with SMTP id f36mr9297204qta.236.1504977381643; \n\tSat, 09 Sep 2017 10:16:21 -0700 (PDT)",
        "From": "Rob Clark <robdclark@gmail.com>",
        "To": "U-Boot Mailing List <u-boot@lists.denx.de>",
        "Date": "Sat,  9 Sep 2017 13:15:52 -0400",
        "Message-Id": "<20170909171606.20029-2-robdclark@gmail.com>",
        "X-Mailer": "git-send-email 2.13.5",
        "In-Reply-To": "<20170909171606.20029-1-robdclark@gmail.com>",
        "References": "<20170909171606.20029-1-robdclark@gmail.com>",
        "MIME-Version": "1.0",
        "Cc": "Heinrich Schuchardt <xypron.glpk@gmx.de>,\n\tGenevieve Chan <ccheauya@altera.com>, Tien Fong Chee <tfchee@altera.com>",
        "Subject": "[U-Boot] [PATCH v3 1/9] fs/fat: split out helper to init fsdata",
        "X-BeenThere": "u-boot@lists.denx.de",
        "X-Mailman-Version": "2.1.18",
        "Precedence": "list",
        "List-Id": "U-Boot discussion <u-boot.lists.denx.de>",
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        "Content-Type": "text/plain; charset=\"utf-8\"",
        "Content-Transfer-Encoding": "base64",
        "Errors-To": "u-boot-bounces@lists.denx.de",
        "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>"
    },
    "content": "Want to re-use this in fat dirent iterator in next patch.\n\nSigned-off-by: Rob Clark <robdclark@gmail.com>\nReviewed-by: Łukasz Majewski <lukma@denx.de>\nReviewed-by: Simon Glass <sjg@chromium.org>\n---\n fs/fat/fat.c  | 73 +++++++++++++++++++++++++++++++++++------------------------\n include/fat.h |  1 +\n 2 files changed, 44 insertions(+), 30 deletions(-)",
    "diff": "diff --git a/fs/fat/fat.c b/fs/fat/fat.c\nindex 465a6875ed..e1c0a15dc7 100644\n--- a/fs/fat/fat.c\n+++ b/fs/fat/fat.c\n@@ -808,35 +808,17 @@ exit:\n \treturn ret;\n }\n \n-__u8 do_fat_read_at_block[MAX_CLUSTSIZE]\n-\t__aligned(ARCH_DMA_MINALIGN);\n-\n-int do_fat_read_at(const char *filename, loff_t pos, void *buffer,\n-\t\t   loff_t maxsize, int dols, int dogetsize, loff_t *size)\n+static int get_fs_info(fsdata *mydata)\n {\n-\tchar fnamecopy[2048];\n \tboot_sector bs;\n \tvolume_info volinfo;\n-\tfsdata datablock;\n-\tfsdata *mydata = &datablock;\n-\tdir_entry *dentptr = NULL;\n-\t__u16 prevcksum = 0xffff;\n-\tchar *subname = \"\";\n-\t__u32 cursect;\n-\tint idx, isdir = 0;\n-\tint files = 0, dirs = 0;\n-\tint ret = -1;\n-\tint firsttime;\n \t__u32 root_cluster = 0;\n-\t__u32 read_blk;\n-\tint rootdir_size = 0;\n-\tint buffer_blk_cnt;\n-\tint do_read;\n-\t__u8 *dir_ptr;\n+\tint ret;\n \n-\tif (read_bootsectandvi(&bs, &volinfo, &mydata->fatsize)) {\n+\tret = read_bootsectandvi(&bs, &volinfo, &mydata->fatsize);\n+\tif (ret) {\n \t\tdebug(\"Error: reading boot sector\\n\");\n-\t\treturn -1;\n+\t\treturn ret;\n \t}\n \n \tif (mydata->fatsize == 32) {\n@@ -848,8 +830,7 @@ int do_fat_read_at(const char *filename, loff_t pos, void *buffer,\n \n \tmydata->fat_sect = bs.reserved;\n \n-\tcursect = mydata->rootdir_sect\n-\t\t= mydata->fat_sect + mydata->fatlength * bs.fats;\n+\tmydata->rootdir_sect = mydata->fat_sect + mydata->fatlength * bs.fats;\n \n \tmydata->sect_size = (bs.sector_size[1] << 8) + bs.sector_size[0];\n \tmydata->clust_size = bs.cluster_size;\n@@ -863,12 +844,12 @@ int do_fat_read_at(const char *filename, loff_t pos, void *buffer,\n \t\tmydata->data_begin = mydata->rootdir_sect -\n \t\t\t\t\t(mydata->clust_size * 2);\n \t} else {\n-\t\trootdir_size = ((bs.dir_entries[1]  * (int)256 +\n-\t\t\t\t bs.dir_entries[0]) *\n-\t\t\t\t sizeof(dir_entry)) /\n-\t\t\t\t mydata->sect_size;\n+\t\tmydata->rootdir_size = ((bs.dir_entries[1]  * (int)256 +\n+\t\t\t\t\t bs.dir_entries[0]) *\n+\t\t\t\t\t sizeof(dir_entry)) /\n+\t\t\t\t\t mydata->sect_size;\n \t\tmydata->data_begin = mydata->rootdir_sect +\n-\t\t\t\t\trootdir_size -\n+\t\t\t\t\tmydata->rootdir_size -\n \t\t\t\t\t(mydata->clust_size * 2);\n \t}\n \n@@ -893,6 +874,38 @@ int do_fat_read_at(const char *filename, loff_t pos, void *buffer,\n \tdebug(\"Sector size: %d, cluster size: %d\\n\", mydata->sect_size,\n \t      mydata->clust_size);\n \n+\treturn 0;\n+}\n+\n+__u8 do_fat_read_at_block[MAX_CLUSTSIZE]\n+\t__aligned(ARCH_DMA_MINALIGN);\n+\n+int do_fat_read_at(const char *filename, loff_t pos, void *buffer,\n+\t\t   loff_t maxsize, int dols, int dogetsize, loff_t *size)\n+{\n+\tchar fnamecopy[2048];\n+\tfsdata datablock;\n+\tfsdata *mydata = &datablock;\n+\tdir_entry *dentptr = NULL;\n+\t__u16 prevcksum = 0xffff;\n+\tchar *subname = \"\";\n+\t__u32 cursect;\n+\tint idx, isdir = 0;\n+\tint files = 0, dirs = 0;\n+\tint ret = -1;\n+\tint firsttime;\n+\t__u32 root_cluster = 0;\n+\t__u32 read_blk;\n+\tint rootdir_size = 0;\n+\tint buffer_blk_cnt;\n+\tint do_read;\n+\t__u8 *dir_ptr;\n+\n+\tif (get_fs_info(mydata))\n+\t\treturn -1;\n+\n+\tcursect = mydata->rootdir_sect;\n+\n \t/* \"cwd\" is always the root... */\n \twhile (ISDIRDELIM(*filename))\n \t\tfilename++;\ndiff --git a/include/fat.h b/include/fat.h\nindex 71879f01ca..b671ee8f81 100644\n--- a/include/fat.h\n+++ b/include/fat.h\n@@ -174,6 +174,7 @@ typedef struct {\n \t__u16\tclust_size;\t/* Size of clusters in sectors */\n \tint\tdata_begin;\t/* The sector of the first cluster, can be negative */\n \tint\tfatbufnum;\t/* Used by get_fatent, init to -1 */\n+\tint\trootdir_size;\t/* Size of root dir for non-FAT32 */\n } fsdata;\n \n typedef int\t(file_detectfs_func)(void);\n",
    "prefixes": [
        "U-Boot",
        "v3",
        "1/9"
    ]
}