Incorrect string comparisons in pvfs2-xattr

[nlmills]

The string comparisons in pvfs-xattr use the wrong value for the comparison size. For example:

strncmp(user_opts->key[0].buffer,"user.pvfs2.meta_hint",20) == 0

should be

strncmp(user_opts->key[0].buffer,"user.pvfs2.meta_hint",user_opts->key[0].buffer_sz) == 0

The first example will only compare the first 20 characters of the key. So e.g. if the key contains "user.pvfs2.meta_hint_2" the first comparison will evaluate to TRUE while the second comparison will evaluate to FALSE (the desired result).

[nlmills]

Patch implementing correct behavior

[nlmills]

Attached patch attachment:pvfs2-xattr.patch also includes some other bugfixes I spotted. Code compiles but is not tested.

[xrumer]

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