| 1 |
62 |
marcus.erl |
/*
|
| 2 |
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* linux/fs/affs/inode.c
|
| 3 |
|
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*
|
| 4 |
|
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* (c) 1996 Hans-Joachim Widmaier - Rewritten
|
| 5 |
|
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*
|
| 6 |
|
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* (C) 1993 Ray Burr - Modified for Amiga FFS filesystem.
|
| 7 |
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*
|
| 8 |
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* (C) 1992 Eric Youngdale Modified for ISO9660 filesystem.
|
| 9 |
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*
|
| 10 |
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* (C) 1991 Linus Torvalds - minix filesystem
|
| 11 |
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*/
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| 12 |
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#include <linux/sched.h>
|
| 13 |
|
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#include "affs.h"
|
| 14 |
|
|
|
| 15 |
|
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extern const struct inode_operations affs_symlink_inode_operations;
|
| 16 |
|
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extern struct timezone sys_tz;
|
| 17 |
|
|
|
| 18 |
|
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void
|
| 19 |
|
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affs_read_inode(struct inode *inode)
|
| 20 |
|
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{
|
| 21 |
|
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struct super_block *sb = inode->i_sb;
|
| 22 |
|
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struct affs_sb_info *sbi = AFFS_SB(sb);
|
| 23 |
|
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struct buffer_head *bh;
|
| 24 |
|
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struct affs_head *head;
|
| 25 |
|
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struct affs_tail *tail;
|
| 26 |
|
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u32 block;
|
| 27 |
|
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u32 size;
|
| 28 |
|
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u32 prot;
|
| 29 |
|
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u16 id;
|
| 30 |
|
|
|
| 31 |
|
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pr_debug("AFFS: read_inode(%lu)\n",inode->i_ino);
|
| 32 |
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|
|
| 33 |
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block = inode->i_ino;
|
| 34 |
|
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bh = affs_bread(sb, block);
|
| 35 |
|
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if (!bh) {
|
| 36 |
|
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affs_warning(sb, "read_inode", "Cannot read block %d", block);
|
| 37 |
|
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goto bad_inode;
|
| 38 |
|
|
}
|
| 39 |
|
|
if (affs_checksum_block(sb, bh) || be32_to_cpu(AFFS_HEAD(bh)->ptype) != T_SHORT) {
|
| 40 |
|
|
affs_warning(sb,"read_inode",
|
| 41 |
|
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"Checksum or type (ptype=%d) error on inode %d",
|
| 42 |
|
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AFFS_HEAD(bh)->ptype, block);
|
| 43 |
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goto bad_inode;
|
| 44 |
|
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}
|
| 45 |
|
|
|
| 46 |
|
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head = AFFS_HEAD(bh);
|
| 47 |
|
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tail = AFFS_TAIL(sb, bh);
|
| 48 |
|
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prot = be32_to_cpu(tail->protect);
|
| 49 |
|
|
|
| 50 |
|
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inode->i_size = 0;
|
| 51 |
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inode->i_nlink = 1;
|
| 52 |
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inode->i_mode = 0;
|
| 53 |
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AFFS_I(inode)->i_extcnt = 1;
|
| 54 |
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AFFS_I(inode)->i_ext_last = ~1;
|
| 55 |
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AFFS_I(inode)->i_protect = prot;
|
| 56 |
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AFFS_I(inode)->i_opencnt = 0;
|
| 57 |
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AFFS_I(inode)->i_blkcnt = 0;
|
| 58 |
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AFFS_I(inode)->i_lc = NULL;
|
| 59 |
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AFFS_I(inode)->i_lc_size = 0;
|
| 60 |
|
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AFFS_I(inode)->i_lc_shift = 0;
|
| 61 |
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AFFS_I(inode)->i_lc_mask = 0;
|
| 62 |
|
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AFFS_I(inode)->i_ac = NULL;
|
| 63 |
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AFFS_I(inode)->i_ext_bh = NULL;
|
| 64 |
|
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AFFS_I(inode)->mmu_private = 0;
|
| 65 |
|
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AFFS_I(inode)->i_lastalloc = 0;
|
| 66 |
|
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AFFS_I(inode)->i_pa_cnt = 0;
|
| 67 |
|
|
|
| 68 |
|
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if (sbi->s_flags & SF_SETMODE)
|
| 69 |
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inode->i_mode = sbi->s_mode;
|
| 70 |
|
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else
|
| 71 |
|
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inode->i_mode = prot_to_mode(prot);
|
| 72 |
|
|
|
| 73 |
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id = be16_to_cpu(tail->uid);
|
| 74 |
|
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if (id == 0 || sbi->s_flags & SF_SETUID)
|
| 75 |
|
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inode->i_uid = sbi->s_uid;
|
| 76 |
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else if (id == 0xFFFF && sbi->s_flags & SF_MUFS)
|
| 77 |
|
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inode->i_uid = 0;
|
| 78 |
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else
|
| 79 |
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inode->i_uid = id;
|
| 80 |
|
|
|
| 81 |
|
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id = be16_to_cpu(tail->gid);
|
| 82 |
|
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if (id == 0 || sbi->s_flags & SF_SETGID)
|
| 83 |
|
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inode->i_gid = sbi->s_gid;
|
| 84 |
|
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else if (id == 0xFFFF && sbi->s_flags & SF_MUFS)
|
| 85 |
|
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inode->i_gid = 0;
|
| 86 |
|
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else
|
| 87 |
|
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inode->i_gid = id;
|
| 88 |
|
|
|
| 89 |
|
|
switch (be32_to_cpu(tail->stype)) {
|
| 90 |
|
|
case ST_ROOT:
|
| 91 |
|
|
inode->i_uid = sbi->s_uid;
|
| 92 |
|
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inode->i_gid = sbi->s_gid;
|
| 93 |
|
|
/* fall through */
|
| 94 |
|
|
case ST_USERDIR:
|
| 95 |
|
|
if (be32_to_cpu(tail->stype) == ST_USERDIR ||
|
| 96 |
|
|
sbi->s_flags & SF_SETMODE) {
|
| 97 |
|
|
if (inode->i_mode & S_IRUSR)
|
| 98 |
|
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inode->i_mode |= S_IXUSR;
|
| 99 |
|
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if (inode->i_mode & S_IRGRP)
|
| 100 |
|
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inode->i_mode |= S_IXGRP;
|
| 101 |
|
|
if (inode->i_mode & S_IROTH)
|
| 102 |
|
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inode->i_mode |= S_IXOTH;
|
| 103 |
|
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inode->i_mode |= S_IFDIR;
|
| 104 |
|
|
} else
|
| 105 |
|
|
inode->i_mode = S_IRUGO | S_IXUGO | S_IWUSR | S_IFDIR;
|
| 106 |
|
|
if (tail->link_chain)
|
| 107 |
|
|
inode->i_nlink = 2;
|
| 108 |
|
|
/* Maybe it should be controlled by mount parameter? */
|
| 109 |
|
|
//inode->i_mode |= S_ISVTX;
|
| 110 |
|
|
inode->i_op = &affs_dir_inode_operations;
|
| 111 |
|
|
inode->i_fop = &affs_dir_operations;
|
| 112 |
|
|
break;
|
| 113 |
|
|
case ST_LINKDIR:
|
| 114 |
|
|
#if 0
|
| 115 |
|
|
affs_warning(sb, "read_inode", "inode is LINKDIR");
|
| 116 |
|
|
goto bad_inode;
|
| 117 |
|
|
#else
|
| 118 |
|
|
inode->i_mode |= S_IFDIR;
|
| 119 |
|
|
inode->i_op = NULL;
|
| 120 |
|
|
inode->i_fop = NULL;
|
| 121 |
|
|
break;
|
| 122 |
|
|
#endif
|
| 123 |
|
|
case ST_LINKFILE:
|
| 124 |
|
|
affs_warning(sb, "read_inode", "inode is LINKFILE");
|
| 125 |
|
|
goto bad_inode;
|
| 126 |
|
|
case ST_FILE:
|
| 127 |
|
|
size = be32_to_cpu(tail->size);
|
| 128 |
|
|
inode->i_mode |= S_IFREG;
|
| 129 |
|
|
AFFS_I(inode)->mmu_private = inode->i_size = size;
|
| 130 |
|
|
if (inode->i_size) {
|
| 131 |
|
|
AFFS_I(inode)->i_blkcnt = (size - 1) /
|
| 132 |
|
|
sbi->s_data_blksize + 1;
|
| 133 |
|
|
AFFS_I(inode)->i_extcnt = (AFFS_I(inode)->i_blkcnt - 1) /
|
| 134 |
|
|
sbi->s_hashsize + 1;
|
| 135 |
|
|
}
|
| 136 |
|
|
if (tail->link_chain)
|
| 137 |
|
|
inode->i_nlink = 2;
|
| 138 |
|
|
inode->i_mapping->a_ops = (sbi->s_flags & SF_OFS) ? &affs_aops_ofs : &affs_aops;
|
| 139 |
|
|
inode->i_op = &affs_file_inode_operations;
|
| 140 |
|
|
inode->i_fop = &affs_file_operations;
|
| 141 |
|
|
break;
|
| 142 |
|
|
case ST_SOFTLINK:
|
| 143 |
|
|
inode->i_mode |= S_IFLNK;
|
| 144 |
|
|
inode->i_op = &affs_symlink_inode_operations;
|
| 145 |
|
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inode->i_data.a_ops = &affs_symlink_aops;
|
| 146 |
|
|
break;
|
| 147 |
|
|
}
|
| 148 |
|
|
|
| 149 |
|
|
inode->i_mtime.tv_sec = inode->i_atime.tv_sec = inode->i_ctime.tv_sec
|
| 150 |
|
|
= (be32_to_cpu(tail->change.days) * (24 * 60 * 60) +
|
| 151 |
|
|
be32_to_cpu(tail->change.mins) * 60 +
|
| 152 |
|
|
be32_to_cpu(tail->change.ticks) / 50 +
|
| 153 |
|
|
((8 * 365 + 2) * 24 * 60 * 60)) +
|
| 154 |
|
|
sys_tz.tz_minuteswest * 60;
|
| 155 |
|
|
inode->i_mtime.tv_nsec = inode->i_ctime.tv_nsec = inode->i_atime.tv_nsec = 0;
|
| 156 |
|
|
affs_brelse(bh);
|
| 157 |
|
|
return;
|
| 158 |
|
|
|
| 159 |
|
|
bad_inode:
|
| 160 |
|
|
make_bad_inode(inode);
|
| 161 |
|
|
affs_brelse(bh);
|
| 162 |
|
|
return;
|
| 163 |
|
|
}
|
| 164 |
|
|
|
| 165 |
|
|
int
|
| 166 |
|
|
affs_write_inode(struct inode *inode, int unused)
|
| 167 |
|
|
{
|
| 168 |
|
|
struct super_block *sb = inode->i_sb;
|
| 169 |
|
|
struct buffer_head *bh;
|
| 170 |
|
|
struct affs_tail *tail;
|
| 171 |
|
|
uid_t uid;
|
| 172 |
|
|
gid_t gid;
|
| 173 |
|
|
|
| 174 |
|
|
pr_debug("AFFS: write_inode(%lu)\n",inode->i_ino);
|
| 175 |
|
|
|
| 176 |
|
|
if (!inode->i_nlink)
|
| 177 |
|
|
// possibly free block
|
| 178 |
|
|
return 0;
|
| 179 |
|
|
bh = affs_bread(sb, inode->i_ino);
|
| 180 |
|
|
if (!bh) {
|
| 181 |
|
|
affs_error(sb,"write_inode","Cannot read block %lu",inode->i_ino);
|
| 182 |
|
|
return -EIO;
|
| 183 |
|
|
}
|
| 184 |
|
|
tail = AFFS_TAIL(sb, bh);
|
| 185 |
|
|
if (tail->stype == cpu_to_be32(ST_ROOT)) {
|
| 186 |
|
|
secs_to_datestamp(inode->i_mtime.tv_sec,&AFFS_ROOT_TAIL(sb, bh)->root_change);
|
| 187 |
|
|
} else {
|
| 188 |
|
|
tail->protect = cpu_to_be32(AFFS_I(inode)->i_protect);
|
| 189 |
|
|
tail->size = cpu_to_be32(inode->i_size);
|
| 190 |
|
|
secs_to_datestamp(inode->i_mtime.tv_sec,&tail->change);
|
| 191 |
|
|
if (!(inode->i_ino == AFFS_SB(sb)->s_root_block)) {
|
| 192 |
|
|
uid = inode->i_uid;
|
| 193 |
|
|
gid = inode->i_gid;
|
| 194 |
|
|
if (AFFS_SB(sb)->s_flags & SF_MUFS) {
|
| 195 |
|
|
if (inode->i_uid == 0 || inode->i_uid == 0xFFFF)
|
| 196 |
|
|
uid = inode->i_uid ^ ~0;
|
| 197 |
|
|
if (inode->i_gid == 0 || inode->i_gid == 0xFFFF)
|
| 198 |
|
|
gid = inode->i_gid ^ ~0;
|
| 199 |
|
|
}
|
| 200 |
|
|
if (!(AFFS_SB(sb)->s_flags & SF_SETUID))
|
| 201 |
|
|
tail->uid = cpu_to_be16(uid);
|
| 202 |
|
|
if (!(AFFS_SB(sb)->s_flags & SF_SETGID))
|
| 203 |
|
|
tail->gid = cpu_to_be16(gid);
|
| 204 |
|
|
}
|
| 205 |
|
|
}
|
| 206 |
|
|
affs_fix_checksum(sb, bh);
|
| 207 |
|
|
mark_buffer_dirty_inode(bh, inode);
|
| 208 |
|
|
affs_brelse(bh);
|
| 209 |
|
|
affs_free_prealloc(inode);
|
| 210 |
|
|
return 0;
|
| 211 |
|
|
}
|
| 212 |
|
|
|
| 213 |
|
|
int
|
| 214 |
|
|
affs_notify_change(struct dentry *dentry, struct iattr *attr)
|
| 215 |
|
|
{
|
| 216 |
|
|
struct inode *inode = dentry->d_inode;
|
| 217 |
|
|
int error;
|
| 218 |
|
|
|
| 219 |
|
|
pr_debug("AFFS: notify_change(%lu,0x%x)\n",inode->i_ino,attr->ia_valid);
|
| 220 |
|
|
|
| 221 |
|
|
error = inode_change_ok(inode,attr);
|
| 222 |
|
|
if (error)
|
| 223 |
|
|
goto out;
|
| 224 |
|
|
|
| 225 |
|
|
if (((attr->ia_valid & ATTR_UID) && (AFFS_SB(inode->i_sb)->s_flags & SF_SETUID)) ||
|
| 226 |
|
|
((attr->ia_valid & ATTR_GID) && (AFFS_SB(inode->i_sb)->s_flags & SF_SETGID)) ||
|
| 227 |
|
|
((attr->ia_valid & ATTR_MODE) &&
|
| 228 |
|
|
(AFFS_SB(inode->i_sb)->s_flags & (SF_SETMODE | SF_IMMUTABLE)))) {
|
| 229 |
|
|
if (!(AFFS_SB(inode->i_sb)->s_flags & SF_QUIET))
|
| 230 |
|
|
error = -EPERM;
|
| 231 |
|
|
goto out;
|
| 232 |
|
|
}
|
| 233 |
|
|
|
| 234 |
|
|
error = inode_setattr(inode, attr);
|
| 235 |
|
|
if (!error && (attr->ia_valid & ATTR_MODE))
|
| 236 |
|
|
mode_to_prot(inode);
|
| 237 |
|
|
out:
|
| 238 |
|
|
return error;
|
| 239 |
|
|
}
|
| 240 |
|
|
|
| 241 |
|
|
void
|
| 242 |
|
|
affs_put_inode(struct inode *inode)
|
| 243 |
|
|
{
|
| 244 |
|
|
pr_debug("AFFS: put_inode(ino=%lu, nlink=%u)\n", inode->i_ino, inode->i_nlink);
|
| 245 |
|
|
affs_free_prealloc(inode);
|
| 246 |
|
|
}
|
| 247 |
|
|
|
| 248 |
|
|
void
|
| 249 |
|
|
affs_drop_inode(struct inode *inode)
|
| 250 |
|
|
{
|
| 251 |
|
|
mutex_lock(&inode->i_mutex);
|
| 252 |
|
|
if (inode->i_size != AFFS_I(inode)->mmu_private)
|
| 253 |
|
|
affs_truncate(inode);
|
| 254 |
|
|
mutex_unlock(&inode->i_mutex);
|
| 255 |
|
|
|
| 256 |
|
|
generic_drop_inode(inode);
|
| 257 |
|
|
}
|
| 258 |
|
|
|
| 259 |
|
|
void
|
| 260 |
|
|
affs_delete_inode(struct inode *inode)
|
| 261 |
|
|
{
|
| 262 |
|
|
pr_debug("AFFS: delete_inode(ino=%lu, nlink=%u)\n", inode->i_ino, inode->i_nlink);
|
| 263 |
|
|
truncate_inode_pages(&inode->i_data, 0);
|
| 264 |
|
|
inode->i_size = 0;
|
| 265 |
|
|
if (S_ISREG(inode->i_mode))
|
| 266 |
|
|
affs_truncate(inode);
|
| 267 |
|
|
clear_inode(inode);
|
| 268 |
|
|
affs_free_block(inode->i_sb, inode->i_ino);
|
| 269 |
|
|
}
|
| 270 |
|
|
|
| 271 |
|
|
void
|
| 272 |
|
|
affs_clear_inode(struct inode *inode)
|
| 273 |
|
|
{
|
| 274 |
|
|
unsigned long cache_page = (unsigned long) AFFS_I(inode)->i_lc;
|
| 275 |
|
|
|
| 276 |
|
|
pr_debug("AFFS: clear_inode(ino=%lu, nlink=%u)\n", inode->i_ino, inode->i_nlink);
|
| 277 |
|
|
if (cache_page) {
|
| 278 |
|
|
pr_debug("AFFS: freeing ext cache\n");
|
| 279 |
|
|
AFFS_I(inode)->i_lc = NULL;
|
| 280 |
|
|
AFFS_I(inode)->i_ac = NULL;
|
| 281 |
|
|
free_page(cache_page);
|
| 282 |
|
|
}
|
| 283 |
|
|
affs_brelse(AFFS_I(inode)->i_ext_bh);
|
| 284 |
|
|
AFFS_I(inode)->i_ext_last = ~1;
|
| 285 |
|
|
AFFS_I(inode)->i_ext_bh = NULL;
|
| 286 |
|
|
}
|
| 287 |
|
|
|
| 288 |
|
|
struct inode *
|
| 289 |
|
|
affs_new_inode(struct inode *dir)
|
| 290 |
|
|
{
|
| 291 |
|
|
struct super_block *sb = dir->i_sb;
|
| 292 |
|
|
struct inode *inode;
|
| 293 |
|
|
u32 block;
|
| 294 |
|
|
struct buffer_head *bh;
|
| 295 |
|
|
|
| 296 |
|
|
if (!(inode = new_inode(sb)))
|
| 297 |
|
|
goto err_inode;
|
| 298 |
|
|
|
| 299 |
|
|
if (!(block = affs_alloc_block(dir, dir->i_ino)))
|
| 300 |
|
|
goto err_block;
|
| 301 |
|
|
|
| 302 |
|
|
bh = affs_getzeroblk(sb, block);
|
| 303 |
|
|
if (!bh)
|
| 304 |
|
|
goto err_bh;
|
| 305 |
|
|
mark_buffer_dirty_inode(bh, inode);
|
| 306 |
|
|
affs_brelse(bh);
|
| 307 |
|
|
|
| 308 |
|
|
inode->i_uid = current->fsuid;
|
| 309 |
|
|
inode->i_gid = current->fsgid;
|
| 310 |
|
|
inode->i_ino = block;
|
| 311 |
|
|
inode->i_nlink = 1;
|
| 312 |
|
|
inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
|
| 313 |
|
|
AFFS_I(inode)->i_opencnt = 0;
|
| 314 |
|
|
AFFS_I(inode)->i_blkcnt = 0;
|
| 315 |
|
|
AFFS_I(inode)->i_lc = NULL;
|
| 316 |
|
|
AFFS_I(inode)->i_lc_size = 0;
|
| 317 |
|
|
AFFS_I(inode)->i_lc_shift = 0;
|
| 318 |
|
|
AFFS_I(inode)->i_lc_mask = 0;
|
| 319 |
|
|
AFFS_I(inode)->i_ac = NULL;
|
| 320 |
|
|
AFFS_I(inode)->i_ext_bh = NULL;
|
| 321 |
|
|
AFFS_I(inode)->mmu_private = 0;
|
| 322 |
|
|
AFFS_I(inode)->i_protect = 0;
|
| 323 |
|
|
AFFS_I(inode)->i_lastalloc = 0;
|
| 324 |
|
|
AFFS_I(inode)->i_pa_cnt = 0;
|
| 325 |
|
|
AFFS_I(inode)->i_extcnt = 1;
|
| 326 |
|
|
AFFS_I(inode)->i_ext_last = ~1;
|
| 327 |
|
|
|
| 328 |
|
|
insert_inode_hash(inode);
|
| 329 |
|
|
|
| 330 |
|
|
return inode;
|
| 331 |
|
|
|
| 332 |
|
|
err_bh:
|
| 333 |
|
|
affs_free_block(sb, block);
|
| 334 |
|
|
err_block:
|
| 335 |
|
|
iput(inode);
|
| 336 |
|
|
err_inode:
|
| 337 |
|
|
return NULL;
|
| 338 |
|
|
}
|
| 339 |
|
|
|
| 340 |
|
|
/*
|
| 341 |
|
|
* Add an entry to a directory. Create the header block
|
| 342 |
|
|
* and insert it into the hash table.
|
| 343 |
|
|
*/
|
| 344 |
|
|
|
| 345 |
|
|
int
|
| 346 |
|
|
affs_add_entry(struct inode *dir, struct inode *inode, struct dentry *dentry, s32 type)
|
| 347 |
|
|
{
|
| 348 |
|
|
struct super_block *sb = dir->i_sb;
|
| 349 |
|
|
struct buffer_head *inode_bh = NULL;
|
| 350 |
|
|
struct buffer_head *bh = NULL;
|
| 351 |
|
|
u32 block = 0;
|
| 352 |
|
|
int retval;
|
| 353 |
|
|
|
| 354 |
|
|
pr_debug("AFFS: add_entry(dir=%u, inode=%u, \"%*s\", type=%d)\n", (u32)dir->i_ino,
|
| 355 |
|
|
(u32)inode->i_ino, (int)dentry->d_name.len, dentry->d_name.name, type);
|
| 356 |
|
|
|
| 357 |
|
|
retval = -EIO;
|
| 358 |
|
|
bh = affs_bread(sb, inode->i_ino);
|
| 359 |
|
|
if (!bh)
|
| 360 |
|
|
goto done;
|
| 361 |
|
|
|
| 362 |
|
|
affs_lock_link(inode);
|
| 363 |
|
|
switch (type) {
|
| 364 |
|
|
case ST_LINKFILE:
|
| 365 |
|
|
case ST_LINKDIR:
|
| 366 |
|
|
inode_bh = bh;
|
| 367 |
|
|
retval = -ENOSPC;
|
| 368 |
|
|
block = affs_alloc_block(dir, dir->i_ino);
|
| 369 |
|
|
if (!block)
|
| 370 |
|
|
goto err;
|
| 371 |
|
|
retval = -EIO;
|
| 372 |
|
|
bh = affs_getzeroblk(sb, block);
|
| 373 |
|
|
if (!bh)
|
| 374 |
|
|
goto err;
|
| 375 |
|
|
break;
|
| 376 |
|
|
default:
|
| 377 |
|
|
break;
|
| 378 |
|
|
}
|
| 379 |
|
|
|
| 380 |
|
|
AFFS_HEAD(bh)->ptype = cpu_to_be32(T_SHORT);
|
| 381 |
|
|
AFFS_HEAD(bh)->key = cpu_to_be32(bh->b_blocknr);
|
| 382 |
|
|
affs_copy_name(AFFS_TAIL(sb, bh)->name, dentry);
|
| 383 |
|
|
AFFS_TAIL(sb, bh)->stype = cpu_to_be32(type);
|
| 384 |
|
|
AFFS_TAIL(sb, bh)->parent = cpu_to_be32(dir->i_ino);
|
| 385 |
|
|
|
| 386 |
|
|
if (inode_bh) {
|
| 387 |
|
|
__be32 chain;
|
| 388 |
|
|
chain = AFFS_TAIL(sb, inode_bh)->link_chain;
|
| 389 |
|
|
AFFS_TAIL(sb, bh)->original = cpu_to_be32(inode->i_ino);
|
| 390 |
|
|
AFFS_TAIL(sb, bh)->link_chain = chain;
|
| 391 |
|
|
AFFS_TAIL(sb, inode_bh)->link_chain = cpu_to_be32(block);
|
| 392 |
|
|
affs_adjust_checksum(inode_bh, block - be32_to_cpu(chain));
|
| 393 |
|
|
mark_buffer_dirty_inode(inode_bh, inode);
|
| 394 |
|
|
inode->i_nlink = 2;
|
| 395 |
|
|
atomic_inc(&inode->i_count);
|
| 396 |
|
|
}
|
| 397 |
|
|
affs_fix_checksum(sb, bh);
|
| 398 |
|
|
mark_buffer_dirty_inode(bh, inode);
|
| 399 |
|
|
dentry->d_fsdata = (void *)(long)bh->b_blocknr;
|
| 400 |
|
|
|
| 401 |
|
|
affs_lock_dir(dir);
|
| 402 |
|
|
retval = affs_insert_hash(dir, bh);
|
| 403 |
|
|
mark_buffer_dirty_inode(bh, inode);
|
| 404 |
|
|
affs_unlock_dir(dir);
|
| 405 |
|
|
affs_unlock_link(inode);
|
| 406 |
|
|
|
| 407 |
|
|
d_instantiate(dentry, inode);
|
| 408 |
|
|
done:
|
| 409 |
|
|
affs_brelse(inode_bh);
|
| 410 |
|
|
affs_brelse(bh);
|
| 411 |
|
|
return retval;
|
| 412 |
|
|
err:
|
| 413 |
|
|
if (block)
|
| 414 |
|
|
affs_free_block(sb, block);
|
| 415 |
|
|
affs_unlock_link(inode);
|
| 416 |
|
|
goto done;
|
| 417 |
|
|
}
|
