isofs: don't bother with ->d_op for normal case
we only need it for joliet and case-insensitive mounts Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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f643ff550a
Коммит
b0afd8e5db
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@ -29,13 +29,9 @@
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#define BEQUIET
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static int isofs_hashi(const struct dentry *parent, struct qstr *qstr);
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static int isofs_hash(const struct dentry *parent, struct qstr *qstr);
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static int isofs_dentry_cmpi(const struct dentry *parent,
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const struct dentry *dentry,
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unsigned int len, const char *str, const struct qstr *name);
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static int isofs_dentry_cmp(const struct dentry *parent,
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const struct dentry *dentry,
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unsigned int len, const char *str, const struct qstr *name);
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#ifdef CONFIG_JOLIET
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static int isofs_hashi_ms(const struct dentry *parent, struct qstr *qstr);
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@ -134,10 +130,6 @@ static const struct super_operations isofs_sops = {
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static const struct dentry_operations isofs_dentry_ops[] = {
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{
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.d_hash = isofs_hash,
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.d_compare = isofs_dentry_cmp,
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},
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{
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.d_hash = isofs_hashi,
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.d_compare = isofs_dentry_cmpi,
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@ -257,25 +249,12 @@ static int isofs_dentry_cmp_common(
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return 1;
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}
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static int
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isofs_hash(const struct dentry *dentry, struct qstr *qstr)
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{
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return isofs_hash_common(qstr, 0);
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}
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static int
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isofs_hashi(const struct dentry *dentry, struct qstr *qstr)
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{
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return isofs_hashi_common(qstr, 0);
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}
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static int
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isofs_dentry_cmp(const struct dentry *parent, const struct dentry *dentry,
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unsigned int len, const char *str, const struct qstr *name)
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{
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return isofs_dentry_cmp_common(len, str, name, 0, 0);
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}
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static int
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isofs_dentry_cmpi(const struct dentry *parent, const struct dentry *dentry,
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unsigned int len, const char *str, const struct qstr *name)
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@ -930,7 +909,8 @@ root_found:
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if (opt.check == 'r')
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table++;
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s->s_d_op = &isofs_dentry_ops[table];
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if (table)
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s->s_d_op = &isofs_dentry_ops[table - 1];
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/* get the root dentry */
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s->s_root = d_make_root(inode);
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@ -20,6 +20,8 @@ isofs_cmp(struct dentry *dentry, const char *compare, int dlen)
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struct qstr qstr;
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qstr.name = compare;
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qstr.len = dlen;
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if (likely(!dentry->d_op))
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return dentry->d_name.len != dlen || memcmp(dentry->d_name.name, compare, dlen);
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return dentry->d_op->d_compare(NULL, NULL, dentry->d_name.len, dentry->d_name.name, &qstr);
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}
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