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LSM: new method: ->sb_add_mnt_opt()

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Adding options to growing mnt_opts.  NFS kludge with passing
context= down into non-text-options mount switched to it, and
with that the last use of ->sb_parse_opts_str() is gone.

Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2018-12-14 23:42:21 -05:00
parent 99dbbb593f
commit 757cbe597f
6 changed files with 38 additions and 46 deletions
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6
include/linux/security.h
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@@ -240,7 +240,8 @@ int security_sb_clone_mnt_opts(const struct super_block *oldsb,
struct super_block *newsb,
unsigned long kern_flags,
unsigned long *set_kern_flags);
int security_sb_parse_opts_str(char *options, void **mnt_opts);
int security_add_mnt_opt(const char *option, const char *val,
int len, void **mnt_opts);
int security_dentry_init_security(struct dentry *dentry, int mode,
const struct qstr *name, void **ctx,
u32 *ctxlen);
@@ -586,7 +587,8 @@ static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
return 0;
}
static inline int security_sb_parse_opts_str(char *options, void **mnt_opts)
static inline int security_add_mnt_opt(const char *option, const char *val,
int len, void **mnt_opts)
{
return 0;
}