projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 5ce34554 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 1da177e4 LT |
2 | /* |
| 3 | * ialloc.c | |
| 4 | * | |
| 5 | * PURPOSE | |
| 6 | * Inode allocation handling routines for the OSTA-UDF(tm) filesystem. | |
| 7 | * | |
| 1da177e4 | 8 | * COPYRIGHT |
| 1da177e4 LT |
9 | * (C) 1998-2001 Ben Fennema |
| 10 | * | |
| 11 | * HISTORY | |
| 12 | * | |
| 13 | * 02/24/99 blf Created. | |
| 14 | * | |
| 15 | */ | |
| 16 | ||
| 17 | #include "udfdecl.h" | |
| 18 | #include <linux/fs.h> | |
| 1da177e4 LT |
19 | #include <linux/sched.h> |
| 20 | #include <linux/slab.h> | |
| 21 | ||
| 22 | #include "udf_i.h" | |
| 23 | #include "udf_sb.h" | |
| 24 | ||
| cb00ea35 | 25 | void udf_free_inode(struct inode *inode) |
| 1da177e4 | 26 | { |
| 085cf7b7 | 27 | udf_free_blocks(inode->i_sb, NULL, &UDF_I(inode)->i_location, 0, 1); |
| 1da177e4 LT |
28 | } |
| 29 | ||
| 0b93a92b | 30 | struct inode *udf_new_inode(struct inode *dir, umode_t mode) |
| 1da177e4 LT |
31 | { |
| 32 | struct super_block *sb = dir->i_sb; | |
| 33 | struct udf_sb_info *sbi = UDF_SB(sb); | |
| cb00ea35 | 34 | struct inode *inode; |
| b490bdd6 | 35 | udf_pblk_t block; |
| c0b34438 | 36 | uint32_t start = UDF_I(dir)->i_location.logicalBlockNum; |
| 48d6d8ff MS |
37 | struct udf_inode_info *iinfo; |
| 38 | struct udf_inode_info *dinfo = UDF_I(dir); | |
| 0b93a92b | 39 | int err; |
| 1da177e4 LT |
40 | |
| 41 | inode = new_inode(sb); | |
| 42 | ||
| 0b93a92b AV |
43 | if (!inode) |
| 44 | return ERR_PTR(-ENOMEM); | |
| 1da177e4 | 45 | |
| 48d6d8ff | 46 | iinfo = UDF_I(inode); |
| 97e1cfb0 JK |
47 | if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) { |
| 48 | iinfo->i_efe = 1; | |
| 49 | if (UDF_VERS_USE_EXTENDED_FE > sbi->s_udfrev) | |
| 50 | sbi->s_udfrev = UDF_VERS_USE_EXTENDED_FE; | |
| 382a2287 JK |
51 | iinfo->i_data = kzalloc(inode->i_sb->s_blocksize - |
| 52 | sizeof(struct extendedFileEntry), | |
| 53 | GFP_KERNEL); | |
| 97e1cfb0 JK |
54 | } else { |
| 55 | iinfo->i_efe = 0; | |
| 382a2287 JK |
56 | iinfo->i_data = kzalloc(inode->i_sb->s_blocksize - |
| 57 | sizeof(struct fileEntry), | |
| 58 | GFP_KERNEL); | |
| 97e1cfb0 | 59 | } |
| 382a2287 | 60 | if (!iinfo->i_data) { |
| f05f2429 | 61 | make_bad_inode(inode); |
| 97e1cfb0 | 62 | iput(inode); |
| 0b93a92b | 63 | return ERR_PTR(-ENOMEM); |
| 97e1cfb0 | 64 | } |
| 225add61 | 65 | |
| 0b93a92b | 66 | err = -ENOSPC; |
| 4b11111a | 67 | block = udf_new_block(dir->i_sb, NULL, |
| 48d6d8ff | 68 | dinfo->i_location.partitionReferenceNum, |
| 0b93a92b AV |
69 | start, &err); |
| 70 | if (err) { | |
| f05f2429 | 71 | make_bad_inode(inode); |
| 1da177e4 | 72 | iput(inode); |
| 0b93a92b | 73 | return ERR_PTR(err); |
| 1da177e4 LT |
74 | } |
| 75 | ||
| 085cf7b7 JK |
76 | iinfo->i_unique = lvid_get_unique_id(sb); |
| 77 | inode->i_generation = iinfo->i_unique; | |
| a6c5a034 | 78 | |
| f2d40141 | 79 | inode_init_owner(&nop_mnt_idmap, inode, dir, mode); |
| ecd10aa4 JK |
80 | if (UDF_QUERY_FLAG(sb, UDF_FLAG_UID_SET)) |
| 81 | inode->i_uid = sbi->s_uid; | |
| 82 | if (UDF_QUERY_FLAG(sb, UDF_FLAG_GID_SET)) | |
| 83 | inode->i_gid = sbi->s_gid; | |
| 1da177e4 | 84 | |
| 48d6d8ff MS |
85 | iinfo->i_location.logicalBlockNum = block; |
| 86 | iinfo->i_location.partitionReferenceNum = | |
| 87 | dinfo->i_location.partitionReferenceNum; | |
| 97e961fd | 88 | inode->i_ino = udf_get_lb_pblock(sb, &iinfo->i_location, 0); |
| 1da177e4 | 89 | inode->i_blocks = 0; |
| 48d6d8ff MS |
90 | iinfo->i_lenEAttr = 0; |
| 91 | iinfo->i_lenAlloc = 0; | |
| 92 | iinfo->i_use = 0; | |
| d5e2cf07 | 93 | iinfo->i_checkpoint = 1; |
| c3367a1b SM |
94 | iinfo->i_extraPerms = FE_PERM_U_CHATTR; |
| 95 | udf_update_extra_perms(inode, mode); | |
| 96 | ||
| 1da177e4 | 97 | if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_AD_IN_ICB)) |
| 48d6d8ff | 98 | iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB; |
| 1da177e4 | 99 | else if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD)) |
| 48d6d8ff | 100 | iinfo->i_alloc_type = ICBTAG_FLAG_AD_SHORT; |
| 1da177e4 | 101 | else |
| 48d6d8ff | 102 | iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG; |
| 59ad88f2 | 103 | inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode); |
| c3b9cecd | 104 | iinfo->i_crtime = inode->i_mtime; |
| b2315096 AV |
105 | if (unlikely(insert_inode_locked(inode) < 0)) { |
| 106 | make_bad_inode(inode); | |
| 107 | iput(inode); | |
| 0b93a92b | 108 | return ERR_PTR(-EIO); |
| b2315096 | 109 | } |
| 1da177e4 | 110 | mark_inode_dirty(inode); |
| 1da177e4 | 111 | |
| 1da177e4 LT |
112 | return inode; |
| 113 | } |