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yaml
---
r: 286546
b: refs/heads/master
c: 4134bf8
h: refs/heads/master
v: v3
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Al Viro committed Jan 19, 2012
1 parent cea8a78 commit 288a1ff
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Showing 2 changed files with 23 additions and 35 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 1aab323ea5cd67d2d2572a1f2794978583ff8545
refs/heads/master: 4134bf81ffd962f4de9bbeca55130d2238bd3698
56 changes: 22 additions & 34 deletions trunk/fs/qnx4/inode.c
Original file line number Diff line number Diff line change
Expand Up @@ -179,45 +179,33 @@ static const char *qnx4_checkroot(struct super_block *sb)
struct qnx4_inode_entry *rootdir;
int rd, rl;
int i, j;
int found = 0;

if (*(qnx4_sb(sb)->sb->RootDir.di_fname) != '/') {
if (*(qnx4_sb(sb)->sb->RootDir.di_fname) != '/')
return "no qnx4 filesystem (no root dir).";
} else {
QNX4DEBUG((KERN_NOTICE "QNX4 filesystem found on dev %s.\n", sb->s_id));
rd = le32_to_cpu(qnx4_sb(sb)->sb->RootDir.di_first_xtnt.xtnt_blk) - 1;
rl = le32_to_cpu(qnx4_sb(sb)->sb->RootDir.di_first_xtnt.xtnt_size);
for (j = 0; j < rl; j++) {
bh = sb_bread(sb, rd + j); /* root dir, first block */
if (bh == NULL) {
return "unable to read root entry.";
}
for (i = 0; i < QNX4_INODES_PER_BLOCK; i++) {
rootdir = (struct qnx4_inode_entry *) (bh->b_data + i * QNX4_DIR_ENTRY_SIZE);
QNX4DEBUG((KERN_INFO "rootdir entry found : [%s]\n", rootdir->di_fname));
if (!strcmp(rootdir->di_fname,
QNX4_BMNAME)) {
found = 1;
qnx4_sb(sb)->BitMap = kmemdup(rootdir,
sizeof(struct qnx4_inode_entry),
GFP_KERNEL);
if (!qnx4_sb(sb)->BitMap) {
brelse (bh);
return "not enough memory for bitmap inode";
}/* keep bitmap inode known */
break;
}
}
QNX4DEBUG((KERN_NOTICE "QNX4 filesystem found on dev %s.\n", sb->s_id));
rd = le32_to_cpu(qnx4_sb(sb)->sb->RootDir.di_first_xtnt.xtnt_blk) - 1;
rl = le32_to_cpu(qnx4_sb(sb)->sb->RootDir.di_first_xtnt.xtnt_size);
for (j = 0; j < rl; j++) {
bh = sb_bread(sb, rd + j); /* root dir, first block */
if (bh == NULL)
return "unable to read root entry.";
rootdir = (struct qnx4_inode_entry *) bh->b_data;
for (i = 0; i < QNX4_INODES_PER_BLOCK; i++, rootdir++) {
QNX4DEBUG((KERN_INFO "rootdir entry found : [%s]\n", rootdir->di_fname));
if (strcmp(rootdir->di_fname, QNX4_BMNAME) != 0)
continue;
qnx4_sb(sb)->BitMap = kmemdup(rootdir,
sizeof(struct qnx4_inode_entry),
GFP_KERNEL);
brelse(bh);
if (found != 0) {
break;
}
}
if (found == 0) {
return "bitmap file not found.";
if (!qnx4_sb(sb)->BitMap)
return "not enough memory for bitmap inode";
/* keep bitmap inode known */
return NULL;
}
brelse(bh);
}
return NULL;
return "bitmap file not found.";
}

static int qnx4_fill_super(struct super_block *s, void *data, int silent)
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