diff options
Diffstat (limited to 'target/linux/generic/patches-3.12/512-yaffs-3.5-convert-to-use-kuid_t-kgid_t.patch')
| -rw-r--r-- | target/linux/generic/patches-3.12/512-yaffs-3.5-convert-to-use-kuid_t-kgid_t.patch | 570 |
1 files changed, 570 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.12/512-yaffs-3.5-convert-to-use-kuid_t-kgid_t.patch b/target/linux/generic/patches-3.12/512-yaffs-3.5-convert-to-use-kuid_t-kgid_t.patch new file mode 100644 index 0000000..1ca189d --- /dev/null +++ b/target/linux/generic/patches-3.12/512-yaffs-3.5-convert-to-use-kuid_t-kgid_t.patch @@ -0,0 +1,570 @@ +--- a/fs/yaffs2/yaffs_vfs_glue.c ++++ b/fs/yaffs2/yaffs_vfs_glue.c +@@ -243,11 +243,10 @@ static inline void yaffs_dec_link_count( + } + #endif + +- + #define update_dir_time(dir) do {\ + (dir)->i_ctime = (dir)->i_mtime = CURRENT_TIME; \ + } while(0) +- ++ + static void yaffs_put_super(struct super_block *sb); + + static ssize_t yaffs_file_write(struct file *f, const char *buf, size_t n, +@@ -397,6 +396,33 @@ static struct address_space_operations y + #endif + }; + ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) ++#define YCRED_FSUID() from_kuid(&init_user_ns, current_fsuid()) ++#define YCRED_FSGID() from_kgid(&init_user_ns, current_fsgid()) ++#else ++#define YCRED_FSUID() YCRED(current)->fsuid ++#define YCRED_FSGID() YCRED(current)->fsgid ++ ++static inline uid_t i_uid_read(const struct inode *inode) ++{ ++ return inode->i_uid; ++} ++ ++static inline gid_t i_gid_read(const struct inode *inode) ++{ ++ return inode->i_gid; ++} ++ ++static inline void i_uid_write(struct inode *inode, uid_t uid) ++{ ++ inode->i_uid = uid; ++} ++ ++static inline void i_gid_write(struct inode *inode, gid_t gid) ++{ ++ inode->i_gid = gid; ++} ++#endif + + #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 22)) + static const struct file_operations yaffs_file_operations = { +@@ -549,7 +575,7 @@ static unsigned yaffs_gc_control_callbac + { + return yaffs_gc_control; + } +- ++ + static void yaffs_gross_lock(yaffs_dev_t *dev) + { + T(YAFFS_TRACE_LOCK, (TSTR("yaffs locking %p\n"), current)); +@@ -1379,8 +1405,8 @@ static void yaffs_fill_inode_from_obj(st + + inode->i_ino = obj->obj_id; + inode->i_mode = obj->yst_mode; +- inode->i_uid = obj->yst_uid; +- inode->i_gid = obj->yst_gid; ++ i_uid_write(inode, obj->yst_uid); ++ i_gid_write(inode, obj->yst_gid); + #if (LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)) + inode->i_blksize = inode->i_sb->s_blocksize; + #endif +@@ -1406,7 +1432,7 @@ static void yaffs_fill_inode_from_obj(st + + T(YAFFS_TRACE_OS, + (TSTR("yaffs_fill_inode mode %x uid %d gid %d size %d count %d\n"), +- inode->i_mode, inode->i_uid, inode->i_gid, ++ inode->i_mode, i_uid_read(inode), i_gid_read(inode), + (int)inode->i_size, atomic_read(&inode->i_count))); + + switch (obj->yst_mode & S_IFMT) { +@@ -1715,8 +1741,8 @@ static int yaffs_mknod(struct inode *dir + yaffs_obj_t *parent = yaffs_InodeToObject(dir); + + int error = -ENOSPC; +- uid_t uid = YCRED(current)->fsuid; +- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid; ++ uid_t uid = YCRED_FSUID(); ++ gid_t gid = (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID(); + + if ((dir->i_mode & S_ISGID) && S_ISDIR(mode)) + mode |= S_ISGID; +@@ -1892,8 +1918,8 @@ static int yaffs_symlink(struct inode *d + { + yaffs_obj_t *obj; + yaffs_dev_t *dev; +- uid_t uid = YCRED(current)->fsuid; +- gid_t gid = (dir->i_mode & S_ISGID) ? dir->i_gid : YCRED(current)->fsgid; ++ uid_t uid = YCRED_FSUID(); ++ gid_t gid = (dir->i_mode & S_ISGID) ? i_gid_read(dir) : YCRED_FSGID(); + + T(YAFFS_TRACE_OS, (TSTR("yaffs_symlink\n"))); + +@@ -2009,7 +2035,7 @@ static int yaffs_setattr(struct dentry * + (TSTR("yaffs_setattr of object %d\n"), + yaffs_InodeToObject(inode)->obj_id)); + +- /* Fail if a requested resize >= 2GB */ ++ /* Fail if a requested resize >= 2GB */ + if (attr->ia_valid & ATTR_SIZE && + (attr->ia_size >> 31)) + error = -EINVAL; +@@ -2240,7 +2266,7 @@ static void yaffs_flush_inodes(struct su + { + struct inode *iptr; + yaffs_obj_t *obj; +- ++ + list_for_each_entry(iptr,&sb->s_inodes, i_sb_list){ + obj = yaffs_InodeToObject(iptr); + if(obj){ +@@ -2254,10 +2280,10 @@ static void yaffs_flush_inodes(struct su + + static void yaffs_flush_super(struct super_block *sb, int do_checkpoint) + { +- yaffs_dev_t *dev = yaffs_SuperToDevice(sb); ++ yaffs_dev_t *dev = yaffs_SuperToDevice(sb); + if(!dev) + return; +- ++ + yaffs_flush_inodes(sb); + yaffs_update_dirty_dirs(dev); + yaffs_flush_whole_cache(dev); +@@ -2325,7 +2351,7 @@ static int yaffs_do_sync_fs(struct super + * yaffs_bg_start() launches the background thread. + * yaffs_bg_stop() cleans up the background thread. + * +- * NB: ++ * NB: + * The thread should only run after the yaffs is initialised + * The thread should be stopped before yaffs is unmounted. + * The thread should not do any writing while the fs is in read only. +@@ -2924,7 +2950,7 @@ static struct super_block *yaffs_interna + + dev = kmalloc(sizeof(yaffs_dev_t), GFP_KERNEL); + context = kmalloc(sizeof(struct yaffs_LinuxContext),GFP_KERNEL); +- ++ + if(!dev || !context ){ + if(dev) + kfree(dev); +@@ -2957,7 +2983,7 @@ static struct super_block *yaffs_interna + #else + sb->u.generic_sbp = dev; + #endif +- ++ + dev->driver_context = mtd; + param->name = mtd->name; + +@@ -3057,7 +3083,7 @@ static struct super_block *yaffs_interna + param->gc_control = yaffs_gc_control_callback; + + yaffs_dev_to_lc(dev)->superBlock= sb; +- ++ + + #ifndef CONFIG_YAFFS_DOES_ECC + param->use_nand_ecc = 1; +@@ -3099,10 +3125,10 @@ static struct super_block *yaffs_interna + T(YAFFS_TRACE_OS, + (TSTR("yaffs_read_super: guts initialised %s\n"), + (err == YAFFS_OK) ? "OK" : "FAILED")); +- ++ + if(err == YAFFS_OK) + yaffs_bg_start(dev); +- ++ + if(!context->bgThread) + param->defered_dir_update = 0; + +@@ -3345,7 +3371,7 @@ static int yaffs_proc_read(char *page, + buf += sprintf(buf,"\n"); + else { + step-=2; +- ++ + mutex_lock(&yaffs_context_lock); + + /* Locate and print the Nth entry. Order N-squared but N is small. */ +@@ -3362,7 +3388,7 @@ static int yaffs_proc_read(char *page, + buf = yaffs_dump_dev_part0(buf, dev); + } else + buf = yaffs_dump_dev_part1(buf, dev); +- ++ + break; + } + mutex_unlock(&yaffs_context_lock); +@@ -3389,7 +3415,7 @@ static int yaffs_stats_proc_read(char *p + int erasedChunks; + + erasedChunks = dev->n_erased_blocks * dev->param.chunks_per_block; +- ++ + buf += sprintf(buf,"%d, %d, %d, %u, %u, %u, %u\n", + n, dev->n_free_chunks, erasedChunks, + dev->bg_gcs, dev->oldest_dirty_gc_count, +--- a/fs/yaffs2/yaffs_guts.c ++++ b/fs/yaffs2/yaffs_guts.c +@@ -370,7 +370,7 @@ static int yaffs_verify_chunk_written(ya + yaffs_ext_tags tempTags; + __u8 *buffer = yaffs_get_temp_buffer(dev,__LINE__); + int result; +- ++ + result = yaffs_rd_chunk_tags_nand(dev,nand_chunk,buffer,&tempTags); + if(memcmp(buffer,data,dev->data_bytes_per_chunk) || + tempTags.obj_id != tags->obj_id || +@@ -424,7 +424,7 @@ static int yaffs_write_new_chunk(struct + * lot of checks that are most likely not needed. + * + * Mods to the above +- * If an erase check fails or the write fails we skip the ++ * If an erase check fails or the write fails we skip the + * rest of the block. + */ + +@@ -486,7 +486,7 @@ static int yaffs_write_new_chunk(struct + } + + +- ++ + /* + * Block retiring for handling a broken block. + */ +@@ -496,7 +496,7 @@ static void yaffs_retire_block(yaffs_dev + yaffs_block_info_t *bi = yaffs_get_block_info(dev, flash_block); + + yaffs2_checkpt_invalidate(dev); +- ++ + yaffs2_clear_oldest_dirty_seq(dev,bi); + + if (yaffs_mark_bad(dev, flash_block) != YAFFS_OK) { +@@ -899,7 +899,7 @@ static int yaffs_find_chunk_in_group(yaf + for (j = 0; theChunk && j < dev->chunk_grp_size; j++) { + if (yaffs_check_chunk_bit(dev, theChunk / dev->param.chunks_per_block, + theChunk % dev->param.chunks_per_block)) { +- ++ + if(dev->chunk_grp_size == 1) + return theChunk; + else { +@@ -1802,7 +1802,7 @@ int yaffs_rename_obj(yaffs_obj_t *old_di + yaffs_update_parent(old_dir); + if(new_dir != old_dir) + yaffs_update_parent(new_dir); +- ++ + return result; + } + return YAFFS_FAIL; +@@ -2125,7 +2125,7 @@ static int yaffs_gc_block(yaffs_dev_t *d + + if(bi->block_state == YAFFS_BLOCK_STATE_FULL) + bi->block_state = YAFFS_BLOCK_STATE_COLLECTING; +- ++ + bi->has_shrink_hdr = 0; /* clear the flag so that the block can erase */ + + dev->gc_disable = 1; +@@ -2207,7 +2207,7 @@ static int yaffs_gc_block(yaffs_dev_t *d + * No need to copy this, just forget about it and + * fix up the object. + */ +- ++ + /* Free chunks already includes softdeleted chunks. + * How ever this chunk is going to soon be really deleted + * which will increment free chunks. +@@ -2752,7 +2752,7 @@ int yaffs_put_chunk_in_file(yaffs_obj_t + NULL); + if (!tn) + return YAFFS_FAIL; +- ++ + if(!nand_chunk) + /* Dummy insert, bail now */ + return YAFFS_OK; +@@ -2881,7 +2881,7 @@ void yaffs_chunk_del(yaffs_dev_t *dev, i + chunk_id)); + + bi = yaffs_get_block_info(dev, block); +- ++ + yaffs2_update_oldest_dirty_seq(dev, block, bi); + + T(YAFFS_TRACE_DELETION, +@@ -2966,8 +2966,8 @@ static int yaffs_wr_data_obj(yaffs_obj_t + (TSTR("Writing %d bytes to chunk!!!!!!!!!" TENDSTR), n_bytes)); + YBUG(); + } +- +- ++ ++ + newChunkId = + yaffs_write_new_chunk(dev, buffer, &newTags, + useReserve); +@@ -3795,14 +3795,14 @@ int yaffs_resize_file(yaffs_obj_t *in, l + + if (new_size == oldFileSize) + return YAFFS_OK; +- ++ + if(new_size > oldFileSize){ + yaffs2_handle_hole(in,new_size); + in->variant.file_variant.file_size = new_size; + } else { +- /* new_size < oldFileSize */ ++ /* new_size < oldFileSize */ + yaffs_resize_file_down(in, new_size); +- } ++ } + + /* Write a new object header to reflect the resize. + * show we've shrunk the file, if need be +@@ -4231,7 +4231,7 @@ static void yaffs_strip_deleted_objs(yaf + * This fixes the problem where directories might have inadvertently been deleted + * leaving the object "hanging" without being rooted in the directory tree. + */ +- ++ + static int yaffs_has_null_parent(yaffs_dev_t *dev, yaffs_obj_t *obj) + { + return (obj == dev->del_dir || +@@ -4262,7 +4262,7 @@ static void yaffs_fix_hanging_objs(yaffs + if (lh) { + obj = ylist_entry(lh, yaffs_obj_t, hash_link); + parent= obj->parent; +- ++ + if(yaffs_has_null_parent(dev,obj)){ + /* These directories are not hanging */ + hanging = 0; +@@ -4311,7 +4311,7 @@ static void yaffs_del_dir_contents(yaffs + + if(dir->variant_type != YAFFS_OBJECT_TYPE_DIRECTORY) + YBUG(); +- ++ + ylist_for_each_safe(lh, n, &dir->variant.dir_variant.children) { + if (lh) { + obj = ylist_entry(lh, yaffs_obj_t, siblings); +@@ -4325,10 +4325,10 @@ static void yaffs_del_dir_contents(yaffs + /* Need to use UnlinkObject since Delete would not handle + * hardlinked objects correctly. + */ +- yaffs_unlink_obj(obj); ++ yaffs_unlink_obj(obj); + } + } +- ++ + } + + static void yaffs_empty_l_n_f(yaffs_dev_t *dev) +@@ -4410,7 +4410,7 @@ static void yaffs_check_obj_details_load + * If the directory updating is defered then yaffs_update_dirty_dirs must be + * called periodically. + */ +- ++ + static void yaffs_update_parent(yaffs_obj_t *obj) + { + yaffs_dev_t *dev; +@@ -4422,8 +4422,8 @@ static void yaffs_update_parent(yaffs_ob + obj->dirty = 1; + obj->yst_mtime = obj->yst_ctime = Y_CURRENT_TIME; + if(dev->param.defered_dir_update){ +- struct ylist_head *link = &obj->variant.dir_variant.dirty; +- ++ struct ylist_head *link = &obj->variant.dir_variant.dirty; ++ + if(ylist_empty(link)){ + ylist_add(link,&dev->dirty_dirs); + T(YAFFS_TRACE_BACKGROUND, (TSTR("Added object %d to dirty directories" TENDSTR),obj->obj_id)); +@@ -4446,7 +4446,7 @@ void yaffs_update_dirty_dirs(yaffs_dev_t + while(!ylist_empty(&dev->dirty_dirs)){ + link = dev->dirty_dirs.next; + ylist_del_init(link); +- ++ + dS=ylist_entry(link,yaffs_dir_s,dirty); + oV = ylist_entry(dS,yaffs_obj_variant,dir_variant); + obj = ylist_entry(oV,yaffs_obj_t,variant); +@@ -4474,7 +4474,7 @@ static void yaffs_remove_obj_from_dir(ya + + ylist_del_init(&obj->siblings); + obj->parent = NULL; +- ++ + yaffs_verify_dir(parent); + } + +@@ -4645,7 +4645,7 @@ yaffs_obj_t *yaffs_get_equivalent_obj(ya + * system to share files. + * + * These automatic unicode are stored slightly differently... +- * - If the name can fit in the ASCII character space then they are saved as ++ * - If the name can fit in the ASCII character space then they are saved as + * ascii names as per above. + * - If the name needs Unicode then the name is saved in Unicode + * starting at oh->name[1]. +@@ -4686,7 +4686,7 @@ static void yaffs_load_name_from_oh(yaff + asciiOhName++; + n--; + } +- } else ++ } else + yaffs_strncpy(name,ohName+1, bufferSize -1); + } else + #endif +@@ -4705,7 +4705,7 @@ static void yaffs_load_oh_from_name(yaff + + isAscii = 1; + w = name; +- ++ + /* Figure out if the name will fit in ascii character set */ + while(isAscii && *w){ + if((*w) & 0xff00) +@@ -4729,7 +4729,7 @@ static void yaffs_load_oh_from_name(yaff + yaffs_strncpy(ohName+1,name, YAFFS_MAX_NAME_LENGTH -2); + } + } +- else ++ else + #endif + yaffs_strncpy(ohName,name, YAFFS_MAX_NAME_LENGTH - 1); + +@@ -4738,12 +4738,12 @@ static void yaffs_load_oh_from_name(yaff + int yaffs_get_obj_name(yaffs_obj_t * obj, YCHAR * name, int buffer_size) + { + memset(name, 0, buffer_size * sizeof(YCHAR)); +- ++ + yaffs_check_obj_details_loaded(obj); + + if (obj->obj_id == YAFFS_OBJECTID_LOSTNFOUND) { + yaffs_strncpy(name, YAFFS_LOSTNFOUND_NAME, buffer_size - 1); +- } ++ } + #ifdef CONFIG_YAFFS_SHORT_NAMES_IN_RAM + else if (obj->short_name[0]) { + yaffs_strcpy(name, obj->short_name); +@@ -4861,9 +4861,9 @@ int yaffs_set_attribs(yaffs_obj_t *obj, + if (valid & ATTR_MODE) + obj->yst_mode = attr->ia_mode; + if (valid & ATTR_UID) +- obj->yst_uid = attr->ia_uid; ++ obj->yst_uid = ia_uid_read(attr); + if (valid & ATTR_GID) +- obj->yst_gid = attr->ia_gid; ++ obj->yst_gid = ia_gid_read(attr); + + if (valid & ATTR_ATIME) + obj->yst_atime = Y_TIME_CONVERT(attr->ia_atime); +@@ -4886,9 +4886,9 @@ int yaffs_get_attribs(yaffs_obj_t *obj, + + attr->ia_mode = obj->yst_mode; + valid |= ATTR_MODE; +- attr->ia_uid = obj->yst_uid; ++ ia_uid_write(attr, obj->yst_uid); + valid |= ATTR_UID; +- attr->ia_gid = obj->yst_gid; ++ ia_gid_write(attr, obj->yst_gid); + valid |= ATTR_GID; + + Y_TIME_CONVERT(attr->ia_atime) = obj->yst_atime; +--- a/fs/yaffs2/yportenv.h ++++ b/fs/yaffs2/yportenv.h +@@ -170,7 +170,7 @@ + #define O_RDWR 02 + #endif + +-#ifndef O_CREAT ++#ifndef O_CREAT + #define O_CREAT 0100 + #endif + +@@ -218,7 +218,7 @@ + #define EACCES 13 + #endif + +-#ifndef EXDEV ++#ifndef EXDEV + #define EXDEV 18 + #endif + +@@ -281,7 +281,7 @@ + #define S_IFREG 0100000 + #endif + +-#ifndef S_IREAD ++#ifndef S_IREAD + #define S_IREAD 0000400 + #endif + +--- a/fs/yaffs2/devextras.h ++++ b/fs/yaffs2/devextras.h +@@ -87,6 +87,8 @@ struct iattr { + unsigned int ia_attr_flags; + }; + ++/* TODO: add ia_* functions */ ++ + #endif + + #else +@@ -95,7 +97,48 @@ struct iattr { + #include <linux/fs.h> + #include <linux/stat.h> + ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) ++static inline uid_t ia_uid_read(const struct iattr *iattr) ++{ ++ return from_kuid(&init_user_ns, iattr->ia_uid); ++} ++ ++static inline gid_t ia_gid_read(const struct iattr *iattr) ++{ ++ return from_kgid(&init_user_ns, iattr->ia_gid); ++} ++ ++static inline void ia_uid_write(struct iattr *iattr, uid_t uid) ++{ ++ iattr->ia_uid = make_kuid(&init_user_ns, uid); ++} ++ ++static inline void ia_gid_write(struct iattr *iattr, gid_t gid) ++{ ++ iattr->ia_gid = make_kgid(&init_user_ns, gid); ++} ++#else ++static inline uid_t ia_uid_read(const struct iattr *iattr) ++{ ++ return iattr->ia_uid; ++} ++ ++static inline gid_t ia_gid_read(const struct iattr *inode) ++{ ++ return iattr->ia_gid; ++} ++ ++static inline void ia_uid_write(struct iattr *iattr, uid_t uid) ++{ ++ iattr->ia_uid = uid; ++} ++ ++static inline void ia_gid_write(struct iattr *iattr, gid_t gid) ++{ ++ iattr->ia_gid = gid; ++} + #endif + ++#endif + + #endif |