diff options
Diffstat (limited to 'target/linux/generic-2.6/patches/205-block2mtd_fix.patch')
| -rw-r--r-- | target/linux/generic-2.6/patches/205-block2mtd_fix.patch | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/target/linux/generic-2.6/patches/205-block2mtd_fix.patch b/target/linux/generic-2.6/patches/205-block2mtd_fix.patch deleted file mode 100644 index 9aaffc59ef..0000000000 --- a/target/linux/generic-2.6/patches/205-block2mtd_fix.patch +++ /dev/null @@ -1,235 +0,0 @@ -diff -urN linux.old/drivers/mtd/devices/block2mtd.c linux.dev/drivers/mtd/devices/block2mtd.c ---- linux.old/drivers/mtd/devices/block2mtd.c 2006-07-29 19:53:54.000000000 +0200 -+++ linux.dev/drivers/mtd/devices/block2mtd.c 2006-07-29 19:47:03.000000000 +0200 -@@ -4,11 +4,10 @@ - * block2mtd.c - create an mtd from a block device - * - * Copyright (C) 2001,2002 Simon Evans <spse@secret.org.uk> -- * Copyright (C) 2004,2005 Jörn Engel <joern@wh.fh-wedel.de> -+ * Copyright (C) 2004-2006 Jörn Engel <joern@wh.fh-wedel.de> - * - * Licence: GPL - */ --#include <linux/config.h> - #include <linux/module.h> - #include <linux/fs.h> - #include <linux/blkdev.h> -@@ -19,6 +18,7 @@ #include <linux/init.h> - #include <linux/mtd/mtd.h> - #include <linux/buffer_head.h> - #include <linux/mutex.h> -+#include <linux/mount.h> - - #define VERSION "$Revision: 1.30 $" - -@@ -62,10 +61,8 @@ - read_lock_irq(&mapping->tree_lock); - for (i = 0; i < PAGE_READAHEAD; i++) { - pagei = index + i; -- if (pagei > end_index) { -- INFO("Overrun end of disk in cache readahead\n"); -+ if (pagei > end_index) - break; -- } - page = radix_tree_lookup(&mapping->page_tree, pagei); - if (page && (!i)) - break; -@@ -237,6 +237,8 @@ static int _block2mtd_write(struct block - } - return 0; - } -+ -+ - static int block2mtd_write(struct mtd_info *mtd, loff_t to, size_t len, - size_t *retlen, const u_char *buf) - { -@@ -300,6 +302,19 @@ static struct block2mtd_dev *add_device( - - /* Get a handle on the device */ - bdev = open_bdev_excl(devname, O_RDWR, NULL); -+#ifndef MODULE -+ if (IS_ERR(bdev)) { -+ -+ /* We might not have rootfs mounted at this point. Try -+ to resolve the device name by other means. */ -+ -+ dev_t dev = name_to_dev_t(devname); -+ if (dev != 0) { -+ bdev = open_by_devnum(dev, FMODE_WRITE | FMODE_READ); -+ } -+ } -+#endif -+ - if (IS_ERR(bdev)) { - ERROR("error: cannot open device %s", devname); - goto devinit_err; -@@ -331,7 +347,6 @@ static struct block2mtd_dev *add_device( - dev->mtd.writev = default_mtd_writev; - dev->mtd.sync = block2mtd_sync; - dev->mtd.read = block2mtd_read; -- dev->mtd.readv = default_mtd_readv; - dev->mtd.priv = dev; - dev->mtd.owner = THIS_MODULE; - -@@ -351,6 +366,12 @@ devinit_err: - } - - -+/* This function works similar to reguler strtoul. In addition, it -+ * allows some suffixes for a more human-readable number format: -+ * ki, Ki, kiB, KiB - multiply result with 1024 -+ * Mi, MiB - multiply result with 1024^2 -+ * Gi, GiB - multiply result with 1024^3 -+ */ - static int ustrtoul(const char *cp, char **endp, unsigned int base) - { - unsigned long result = simple_strtoul(cp, endp, base); -@@ -359,11 +380,16 @@ static int ustrtoul(const char *cp, char - result *= 1024; - case 'M': - result *= 1024; -+ case 'K': - case 'k': - result *= 1024; - /* By dwmw2 editorial decree, "ki", "Mi" or "Gi" are to be used. */ -- if ((*endp)[1] == 'i') -- (*endp) += 2; -+ if ((*endp)[1] == 'i') { -+ if ((*endp)[2] == 'B') -+ (*endp) += 3; -+ else -+ (*endp) += 2; -+ } - } - return result; - } -@@ -383,26 +409,6 @@ static int parse_num(size_t *num, const - } - - --static int parse_name(char **pname, const char *token, size_t limit) --{ -- size_t len; -- char *name; -- -- len = strlen(token) + 1; -- if (len > limit) -- return -ENOSPC; -- -- name = kmalloc(len, GFP_KERNEL); -- if (!name) -- return -ENOMEM; -- -- strcpy(name, token); -- -- *pname = name; -- return 0; --} -- -- - static inline void kill_final_newline(char *str) - { - char *newline = strrchr(str, '\n'); -@@ -416,9 +422,16 @@ #define parse_err(fmt, args...) do { \ - return 0; \ - } while (0) - --static int block2mtd_setup(const char *val, struct kernel_param *kp) -+#ifndef MODULE -+static int block2mtd_init_called = 0; -+static __initdata char block2mtd_paramline[80 + 12]; /* 80 for device, 12 for erase size */ -+#endif -+ -+ -+static int block2mtd_setup2(const char *val) - { -- char buf[80+12], *str=buf; /* 80 for device, 12 for erase size */ -+ char buf[80 + 12]; /* 80 for device, 12 for erase size */ -+ char *str = buf; - char *token[2]; - char *name; - size_t erase_size = PAGE_SIZE; -@@ -430,7 +443,7 @@ static int block2mtd_setup(const char *v - strcpy(str, val); - kill_final_newline(str); - -- for (i=0; i<2; i++) -+ for (i = 0; i < 2; i++) - token[i] = strsep(&str, ","); - - if (str) -@@ -439,18 +452,16 @@ static int block2mtd_setup(const char *v - if (!token[0]) - parse_err("no argument"); - -- ret = parse_name(&name, token[0], 80); -- if (ret == -ENOMEM) -- parse_err("out of memory"); -- if (ret == -ENOSPC) -- parse_err("name too long"); -- if (ret) -- return 0; -+ name = token[0]; -+ if (strlen(name) + 1 > 80) -+ parse_err("device name too long"); - - if (token[1]) { - ret = parse_num(&erase_size, token[1]); -- if (ret) -+ if (ret) { -+ kfree(name); - parse_err("illegal erase size"); -+ } - } - - add_device(name, erase_size); -@@ -459,13 +470,48 @@ static int block2mtd_setup(const char *v - } - - -+static int block2mtd_setup(const char *val, struct kernel_param *kp) -+{ -+#ifdef MODULE -+ return block2mtd_setup2(val); -+#else -+ /* If more parameters are later passed in via -+ /sys/module/block2mtd/parameters/block2mtd -+ and block2mtd_init() has already been called, -+ we can parse the argument now. */ -+ -+ if (block2mtd_init_called) -+ return block2mtd_setup2(val); -+ -+ /* During early boot stage, we only save the parameters -+ here. We must parse them later: if the param passed -+ from kernel boot command line, block2mtd_setup() is -+ called so early that it is not possible to resolve -+ the device (even kmalloc() fails). Deter that work to -+ block2mtd_setup2(). */ -+ -+ strlcpy(block2mtd_paramline, val, sizeof(block2mtd_paramline)); -+ -+ return 0; -+#endif -+} -+ -+ - module_param_call(block2mtd, block2mtd_setup, NULL, NULL, 0200); - MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=<dev>[,<erasesize>]\""); - - static int __init block2mtd_init(void) - { -+ int ret = 0; - INFO("version " VERSION); -- return 0; -+ -+#ifndef MODULE -+ if (strlen(block2mtd_paramline)) -+ ret = block2mtd_setup2(block2mtd_paramline); -+ block2mtd_init_called = 1; -+#endif -+ -+ return ret; - } - - |