inode.c (96cafb9ccb153f6a82ff2c9bde68916d9d65501e) inode.c (d7167b149943e38ad610191ecbb0800c78bbced9)
1/*
2 * hugetlbpage-backed filesystem. Based on ramfs.
3 *
4 * Nadia Yvette Chambers, 2002
5 *
6 * Copyright (C) 2002 Linus Torvalds.
7 * License: GPL
8 */

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68 Opt_min_size,
69 Opt_mode,
70 Opt_nr_inodes,
71 Opt_pagesize,
72 Opt_size,
73 Opt_uid,
74};
75
1/*
2 * hugetlbpage-backed filesystem. Based on ramfs.
3 *
4 * Nadia Yvette Chambers, 2002
5 *
6 * Copyright (C) 2002 Linus Torvalds.
7 * License: GPL
8 */

--- 59 unchanged lines hidden (view full) ---

68 Opt_min_size,
69 Opt_mode,
70 Opt_nr_inodes,
71 Opt_pagesize,
72 Opt_size,
73 Opt_uid,
74};
75
76static const struct fs_parameter_spec hugetlb_param_specs[] = {
76static const struct fs_parameter_spec hugetlb_fs_parameters[] = {
77 fsparam_u32 ("gid", Opt_gid),
78 fsparam_string("min_size", Opt_min_size),
79 fsparam_u32 ("mode", Opt_mode),
80 fsparam_string("nr_inodes", Opt_nr_inodes),
81 fsparam_string("pagesize", Opt_pagesize),
82 fsparam_string("size", Opt_size),
83 fsparam_u32 ("uid", Opt_uid),
84 {}
85};
86
77 fsparam_u32 ("gid", Opt_gid),
78 fsparam_string("min_size", Opt_min_size),
79 fsparam_u32 ("mode", Opt_mode),
80 fsparam_string("nr_inodes", Opt_nr_inodes),
81 fsparam_string("pagesize", Opt_pagesize),
82 fsparam_string("size", Opt_size),
83 fsparam_u32 ("uid", Opt_uid),
84 {}
85};
86
87static const struct fs_parameter_description hugetlb_fs_parameters = {
88 .specs = hugetlb_param_specs,
89};
90
91#ifdef CONFIG_NUMA
92static inline void hugetlb_set_vma_policy(struct vm_area_struct *vma,
93 struct inode *inode, pgoff_t index)
94{
95 vma->vm_policy = mpol_shared_policy_lookup(&HUGETLBFS_I(inode)->policy,
96 index);
97}
98

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1165static int hugetlbfs_parse_param(struct fs_context *fc, struct fs_parameter *param)
1166{
1167 struct hugetlbfs_fs_context *ctx = fc->fs_private;
1168 struct fs_parse_result result;
1169 char *rest;
1170 unsigned long ps;
1171 int opt;
1172
87#ifdef CONFIG_NUMA
88static inline void hugetlb_set_vma_policy(struct vm_area_struct *vma,
89 struct inode *inode, pgoff_t index)
90{
91 vma->vm_policy = mpol_shared_policy_lookup(&HUGETLBFS_I(inode)->policy,
92 index);
93}
94

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1161static int hugetlbfs_parse_param(struct fs_context *fc, struct fs_parameter *param)
1162{
1163 struct hugetlbfs_fs_context *ctx = fc->fs_private;
1164 struct fs_parse_result result;
1165 char *rest;
1166 unsigned long ps;
1167 int opt;
1168
1173 opt = fs_parse(fc, &hugetlb_fs_parameters, param, &result);
1169 opt = fs_parse(fc, hugetlb_fs_parameters, param, &result);
1174 if (opt < 0)
1175 return opt;
1176
1177 switch (opt) {
1178 case Opt_uid:
1179 ctx->uid = make_kuid(current_user_ns(), result.uint_32);
1180 if (!uid_valid(ctx->uid))
1181 goto bad_val;

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1352 fc->fs_private = ctx;
1353 fc->ops = &hugetlbfs_fs_context_ops;
1354 return 0;
1355}
1356
1357static struct file_system_type hugetlbfs_fs_type = {
1358 .name = "hugetlbfs",
1359 .init_fs_context = hugetlbfs_init_fs_context,
1170 if (opt < 0)
1171 return opt;
1172
1173 switch (opt) {
1174 case Opt_uid:
1175 ctx->uid = make_kuid(current_user_ns(), result.uint_32);
1176 if (!uid_valid(ctx->uid))
1177 goto bad_val;

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1348 fc->fs_private = ctx;
1349 fc->ops = &hugetlbfs_fs_context_ops;
1350 return 0;
1351}
1352
1353static struct file_system_type hugetlbfs_fs_type = {
1354 .name = "hugetlbfs",
1355 .init_fs_context = hugetlbfs_init_fs_context,
1360 .parameters = &hugetlb_fs_parameters,
1356 .parameters = hugetlb_fs_parameters,
1361 .kill_sb = kill_litter_super,
1362};
1363
1364static struct vfsmount *hugetlbfs_vfsmount[HUGE_MAX_HSTATE];
1365
1366static int can_do_hugetlb_shm(void)
1367{
1368 kgid_t shm_group;

--- 154 unchanged lines hidden --- 		1357 .kill_sb = kill_litter_super,
1358};
1359
1360static struct vfsmount *hugetlbfs_vfsmount[HUGE_MAX_HSTATE];
1361
1362static int can_do_hugetlb_shm(void)
1363{
1364 kgid_t shm_group;

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