diff options
Diffstat (limited to 'ANDROID_3.4.5/fs/hfsplus/options.c')
| -rw-r--r-- | ANDROID_3.4.5/fs/hfsplus/options.c | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/ANDROID_3.4.5/fs/hfsplus/options.c b/ANDROID_3.4.5/fs/hfsplus/options.c deleted file mode 100644 index 06fa5618..00000000 --- a/ANDROID_3.4.5/fs/hfsplus/options.c +++ /dev/null @@ -1,230 +0,0 @@ -/* - * linux/fs/hfsplus/options.c - * - * Copyright (C) 2001 - * Brad Boyer (flar@allandria.com) - * (C) 2003 Ardis Technologies <roman@ardistech.com> - * - * Option parsing - */ - -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/parser.h> -#include <linux/nls.h> -#include <linux/mount.h> -#include <linux/seq_file.h> -#include <linux/slab.h> -#include "hfsplus_fs.h" - -enum { - opt_creator, opt_type, - opt_umask, opt_uid, opt_gid, - opt_part, opt_session, opt_nls, - opt_nodecompose, opt_decompose, - opt_barrier, opt_nobarrier, - opt_force, opt_err -}; - -static const match_table_t tokens = { - { opt_creator, "creator=%s" }, - { opt_type, "type=%s" }, - { opt_umask, "umask=%o" }, - { opt_uid, "uid=%u" }, - { opt_gid, "gid=%u" }, - { opt_part, "part=%u" }, - { opt_session, "session=%u" }, - { opt_nls, "nls=%s" }, - { opt_decompose, "decompose" }, - { opt_nodecompose, "nodecompose" }, - { opt_barrier, "barrier" }, - { opt_nobarrier, "nobarrier" }, - { opt_force, "force" }, - { opt_err, NULL } -}; - -/* Initialize an options object to reasonable defaults */ -void hfsplus_fill_defaults(struct hfsplus_sb_info *opts) -{ - if (!opts) - return; - - opts->creator = HFSPLUS_DEF_CR_TYPE; - opts->type = HFSPLUS_DEF_CR_TYPE; - opts->umask = current_umask(); - opts->uid = current_uid(); - opts->gid = current_gid(); - opts->part = -1; - opts->session = -1; -} - -/* convert a "four byte character" to a 32 bit int with error checks */ -static inline int match_fourchar(substring_t *arg, u32 *result) -{ - if (arg->to - arg->from != 4) - return -EINVAL; - memcpy(result, arg->from, 4); - return 0; -} - -int hfsplus_parse_options_remount(char *input, int *force) -{ - char *p; - substring_t args[MAX_OPT_ARGS]; - int token; - - if (!input) - return 0; - - while ((p = strsep(&input, ",")) != NULL) { - if (!*p) - continue; - - token = match_token(p, tokens, args); - switch (token) { - case opt_force: - *force = 1; - break; - default: - break; - } - } - - return 1; -} - -/* Parse options from mount. Returns 0 on failure */ -/* input is the options passed to mount() as a string */ -int hfsplus_parse_options(char *input, struct hfsplus_sb_info *sbi) -{ - char *p; - substring_t args[MAX_OPT_ARGS]; - int tmp, token; - - if (!input) - goto done; - - while ((p = strsep(&input, ",")) != NULL) { - if (!*p) - continue; - - token = match_token(p, tokens, args); - switch (token) { - case opt_creator: - if (match_fourchar(&args[0], &sbi->creator)) { - printk(KERN_ERR "hfs: creator requires a 4 character value\n"); - return 0; - } - break; - case opt_type: - if (match_fourchar(&args[0], &sbi->type)) { - printk(KERN_ERR "hfs: type requires a 4 character value\n"); - return 0; - } - break; - case opt_umask: - if (match_octal(&args[0], &tmp)) { - printk(KERN_ERR "hfs: umask requires a value\n"); - return 0; - } - sbi->umask = (umode_t)tmp; - break; - case opt_uid: - if (match_int(&args[0], &tmp)) { - printk(KERN_ERR "hfs: uid requires an argument\n"); - return 0; - } - sbi->uid = (uid_t)tmp; - break; - case opt_gid: - if (match_int(&args[0], &tmp)) { - printk(KERN_ERR "hfs: gid requires an argument\n"); - return 0; - } - sbi->gid = (gid_t)tmp; - break; - case opt_part: - if (match_int(&args[0], &sbi->part)) { - printk(KERN_ERR "hfs: part requires an argument\n"); - return 0; - } - break; - case opt_session: - if (match_int(&args[0], &sbi->session)) { - printk(KERN_ERR "hfs: session requires an argument\n"); - return 0; - } - break; - case opt_nls: - if (sbi->nls) { - printk(KERN_ERR "hfs: unable to change nls mapping\n"); - return 0; - } - p = match_strdup(&args[0]); - if (p) - sbi->nls = load_nls(p); - if (!sbi->nls) { - printk(KERN_ERR "hfs: unable to load " - "nls mapping \"%s\"\n", - p); - kfree(p); - return 0; - } - kfree(p); - break; - case opt_decompose: - clear_bit(HFSPLUS_SB_NODECOMPOSE, &sbi->flags); - break; - case opt_nodecompose: - set_bit(HFSPLUS_SB_NODECOMPOSE, &sbi->flags); - break; - case opt_barrier: - clear_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags); - break; - case opt_nobarrier: - set_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags); - break; - case opt_force: - set_bit(HFSPLUS_SB_FORCE, &sbi->flags); - break; - default: - return 0; - } - } - -done: - if (!sbi->nls) { - /* try utf8 first, as this is the old default behaviour */ - sbi->nls = load_nls("utf8"); - if (!sbi->nls) - sbi->nls = load_nls_default(); - if (!sbi->nls) - return 0; - } - - return 1; -} - -int hfsplus_show_options(struct seq_file *seq, struct dentry *root) -{ - struct hfsplus_sb_info *sbi = HFSPLUS_SB(root->d_sb); - - if (sbi->creator != HFSPLUS_DEF_CR_TYPE) - seq_printf(seq, ",creator=%.4s", (char *)&sbi->creator); - if (sbi->type != HFSPLUS_DEF_CR_TYPE) - seq_printf(seq, ",type=%.4s", (char *)&sbi->type); - seq_printf(seq, ",umask=%o,uid=%u,gid=%u", sbi->umask, - sbi->uid, sbi->gid); - if (sbi->part >= 0) - seq_printf(seq, ",part=%u", sbi->part); - if (sbi->session >= 0) - seq_printf(seq, ",session=%u", sbi->session); - if (sbi->nls) - seq_printf(seq, ",nls=%s", sbi->nls->charset); - if (test_bit(HFSPLUS_SB_NODECOMPOSE, &sbi->flags)) - seq_printf(seq, ",nodecompose"); - if (test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags)) - seq_printf(seq, ",nobarrier"); - return 0; -} |